LT1632CS8#TR [Linear]
LT1632 - 45MHz, 45V/us, Dual Rail-to-Rail Input and Output Precision Op Amps; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C;型号: | LT1632CS8#TR |
厂家: | Linear |
描述: | LT1632 - 45MHz, 45V/us, Dual Rail-to-Rail Input and Output Precision Op Amps; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C 运算放大器 光电二极管 |
文件: | 总16页 (文件大小:369K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
LT1632/LT1633
45MHz, 45V/µs, Dual/Quad
Rail-to-Rail Input and Output
Precision Op Amps
U
FEATURES
DESCRIPTION
The LT®1632/LT1633 are dual/quad, rail-to-rail input and
outputopampswitha45MHzgain-bandwidthproductand
a 45V/µs slew rate.
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Gain-Bandwidth Product: 45MHz
Slew Rate: 45V/µs
Low Supply Current per Amplifier: 4.3mA
Input Common Mode Range Includes Both Rails
Output Swings Rail-to-Rail
The LT1632/LT1633 have excellent DC precision over the
full range of operation. Input offset voltage is typically less
than 400µV and the minimum open-loop gain of 0.8
million into a 10k load virtually eliminates all gain error.
Common mode rejection is typically 83dB overthefullrail-
to-rail input range when on a single 5V supply for excellent
noninverting performance.
Input Offset Voltage, Rail-to-Rail: 1350µV Max
Input Offset Current: 440nA Max
Input Bias Current: 2.2µA Max
Open-Loop Gain: 800V/mV Min
Low Input Noise Voltage: 12nV/√Hz Typ
Low Distortion: –92dBc at 100kHz
Wide Supply Range: 2.7V to ±15V
Large Output Drive Current: 35mA Min
Dual in 8-Pin PDIP and SO Packages
The LT1632/LT1633 maintain their performance for sup-
pliesfrom2.7Vto36Vandarespecifiedat3V,5Vand±15V
supplies. The inputs can be driven beyond the supplies
without damage or phase reversal of the output. The
output delivers load currents in excess of 35mA.
U
APPLICATIONS
The LT1632 is available in 8-pin PDIP and SO packages
withthestandarddualopamppinout.TheLT1633features
the standard quad op amp configuration and is available in
a 14-pin plastic SO package. These devices can be used as
plug-in replacements for many standard op amps to
improve input/output range and performance.
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Active Filters
Rail-to-Rail Buffer Amplifiers
Driving A/D Converters
Low Voltage Signal Processing
Battery-Powered Systems
, LTC and LT are registered trademarks of Linear Technology Corporation.
U
TYPICAL APPLICATION
Frequency Response
50
Single Supply, 40dB Gain, 550kHz Instrumentation Amplifier
40
DIFFERENTIAL INPUT
30
20
10
R5
432Ω
R4
20k
R2
2k
0
R1
COMMON MODE INPUT
–10
20k
–
3V
R3
2k
–20
–30
–40
–50
–
1/2 LT1632
+
–
V
1/2 LT1632
OUT
V
IN
+
+
V
IN
V
A
= 3V
= 100
S
V
1630/31 F02
–60
–70
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
1632/33 TA02
1
LT1632/LT1633
W W
U W
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Total Supply Voltage (V+ to V–) ............................. 36V
Input Current ..................................................... ±10mA
Output Short-Circuit Duration (Note 2)........ Continuous
Operating Temperature Range ................ –40°C to 85°C
Specified Temperature Range (Note 4) ..... –40°C to 85°C
Junction Temperature.......................................... 150°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
U
W U
PACKAGE/ORDER INFORMATION
TOP VIEW
ORDER PART
ORDER PART
TOP VIEW
NUMBER
NUMBER
OUTA
–IN A
+IN A
1
2
3
4
5
6
7
14
13
12
11
10
9
OUT D
–IN D
+IN D
+
OUT A
–IN A
+IN A
1
2
3
4
V
8
7
6
5
A
B
D
C
LT1632CN8
LT1632CS8
LT1633CS
OUT B
–IN B
+IN B
A
+
–
V
V
B
–
V
+IN B
–IN B
OUT B
+IN C
–IN C
OUT C
N8 PACKAGE
S8 PACKAGE
S8 PART MARKING
1632
8-LEAD PDIP 8-LEAD PLASTIC SO
8
TJMAX = 150°C, θJA = 130°C/ W (N8)
JMAX = 150°C, θJA = 190°C/ W (S8)
S PACKAGE
14-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 150°C/ W
T
Consult factory for Military and Industrial grade parts.
ELECTRICAL CHARACTERISTICS
TA = 25°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+
V
Input Offset Voltage
V
V
= V
= V
400
400
1350
1350
µV
µV
OS
CM
CM
–
–
+
∆V
Input Offset Shift
V
= V to V
350
500
1500
2300
µV
µV
OS
CM
–
+
Input Offset Voltage Match (Channel-to-Channel) V = V , V (Note 5)
CM
+
I
Input Bias Current
V
V
= V
= V
0
–2.2
1.15
–1.15
2.2
0
µA
µA
B
CM
CM
–
–
+
∆I
Input Bias Current Shift
V
= V to V
2.3
4.4
µA
B
CM
+
Input Bias Current Match (Channel-to-Channel)
V
V
= V (Note 5)
50
50
880
880
nA
nA
CM
CM
–
= V (Note 5)
+
I
Input Offset Current
V
V
= V
= V
40
40
440
440
nA
nA
OS
CM
CM
–
–
+
∆I
Input Offset Current Shift
Input Noise Voltage
V
= V to V
80
400
12
880
nA
OS
CM
0.1Hz to 10Hz
f = 1kHz
nV
P-P
e
Input Noise Voltage Density
Input Noise Current Density
Input Capacitance
nV/√Hz
pA/√Hz
pF
n
i
f = 1kHz
1.6
5
n
C
A
IN
VOL
Large-Signal Voltage Gain
V = 5V, V = 300mV to 4.7V, R = 10k
V = 3V, V = 300mV to 2.7V, R = 10k
450
350
2000
1500
V/mV
V/mV
S
O
L
S
O
L
–
+
CMRR
Common Mode Rejection Ratio
V = 5V, V = V to V
70
66
83
81
dB
dB
S
CM
–
+
V = 3V, V = V to V
S
CM
2
LT1632/LT1633
ELECTRICAL CHARACTERISTICS
TA = 25°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted.
SYMBOL PARAMETER
CMRR Match (Channel-to-Channel) (Note 5)
CONDITIONS
V = 5V, V = V to V
MIN
TYP
MAX
UNITS
–
+
+
65
61
85
82
dB
dB
S
CM
–
V = 3V, V = V to V
S
CM
PSRR
Power Supply Rejection Ratio
V = 2.7V to 12V, V = V = 0.5V
82
79
100
101
2.6
dB
dB
V
S
CM
O
PSRR Match (Channel-to-Channel) (Note 5)
Minimum Supply Voltage (Note 9)
Output Voltage Swing Low (Note 6)
V = 2.7V to 12V, V = V = 0.5V
S
CM
O
V
CM
= V = 0.5V
2.7
O
V
V
No Load
15
32
600
30
60
1200
mV
mV
mV
mV
OL
I
I
I
= 0.5mA
= 25mA, V = 5V
= 20mA, V = 3V
SINK
SINK
SINK
S
500
1000
S
Output Voltage Swing High (Note 6)
Short-Circuit Current
No Load
16
42
910
680
40
80
1800
1400
mV
mV
mV
mV
OH
I
I
I
= 0.5mA
= 20mA, V = 5V
= 15mA, V = 3V
SOURCE
SOURCE
SOURCE
S
S
I
I
V = 5V
±20
±15
±40
±30
mA
mA
SC
S
V = 3V
S
Supply Current per Amplifier
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 8)
4.3
45
5.2
mA
S
GBW
SR
f = 100kHz
V = 5V, A = –1, R = Open, V = 4V
22
MHz
13
11
27
22
V/µs
V/µs
S
V
L
O
V = 3V, A = –1, R = Open
S
V
L
t
Settling Time
V = 5V, A = 1, R = 1k,
400
ns
S
S
V
L
0.01%, V
= 2V
STEP
0°C < TA < 70°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+
V
Input Offset Voltage
V
V
= V – 0.1V
●
●
600
600
2000
2000
µV
µV
OS
OS
CM
CM
–
= V + 0.2V
V
TC
Input Offset Voltage Drift (Note 3)
Input Offset Voltage Shift
●
●
8
2.5
15
7
µV/°C
µV/°C
+
V
V
= V – 0.1V
CM
–
+
∆V
= V + 0.2V to V – 0.1V
●
●
400
700
2300
3750
µV
µV
OS
CM
–
+
Input Offset Voltage Match (Channel-to-Channel) V = V + 0.2V, V – 0.1V (Note 5)
CM
+
I
Input Bias Current
V
CM
V
CM
= V – 0.1V
●
●
0
–2.6
1.3
–1.3
2.6
0
µA
µA
B
–
= V + 0.2V
–
+
∆I
Input Bias Current Shift
V
CM
= V + 0.2V to V – 0.1V
●
2.6
5.2
µA
B
+
Input Bias Current Match (Channel-to-Channel)
V
CM
V
CM
= V – 0.1V (Note 5)
●
●
50
50
1040
1040
nA
nA
–
= V + 0.2V (Note 5)
+
I
Input Offset Current
V
CM
V
CM
= V – 0.1V
●
●
40
40
520
520
nA
nA
OS
–
= V + 0.2V
–
+
∆I
Input Offset Current Shift
Large-Signal Voltage Gain
V
= V + 0.2V to V – 0.1V
●
80
1040
nA
OS
CM
A
VOL
V = 5V, V = 300mV to 4.7V, R = 10k
V = 3V, V = 300mV to 2.7V, R = 10k
●
●
300
200
1100
1000
V/mV
V/mV
S
O
L
S
O
L
–
+
CMRR
PSRR
Common Mode Rejection Ratio
V = 5V, V = V + 0.2V to V – 0.1V
●
●
67
61
81
77
dB
dB
S
CM
–
+
V = 3V, V = V + 0.2V to V – 0.1V
S
CM
–
+
CMRR Match (Channel-to-Channel) (Note 5)
V = 5V, V = V + 0.2V to V – 0.1V
●
●
62
57
78
73
dB
dB
S
CM
–
+
V = 3V, V = V + 0.2V to V – 0.1V
S
CM
Power Supply Rejection Ratio
V = 3V to 12V, V = V = 0.5V
●
●
81
77
94
95
dB
dB
S
CM
O
PSRR Match (Channel-to-Channel) (Note 5)
V = 3V to 12V, V = V = 0.5V
S CM O
3
LT1632/LT1633
ELECTRICAL CHARACTERISTICS
0°C < TA < 70°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted.
SYMBOL PARAMETER
Minimum Supply Voltage (Note 9)
CONDITIONS
= V = 0.5V
MIN
TYP
MAX
UNITS
V
●
2.6
2.7
V
CM
O
V
Output Voltage Swing Low (Note 6)
Output Voltage Swing High (Note 6)
Short-Circuit Current
No Load
●
●
●
●
18
37
700
560
40
80
1400
1200
mV
mV
mV
mV
OL
I
I
I
= 0.5mA
= 25mA, V = 5V
= 20mA, V = 3V
SINK
SINK
SINK
S
S
V
OH
No Load
●
●
●
●
16
50
820
550
40
100
1600
1100
mV
mV
mV
mV
I
I
I
= 0.5mA
= 15mA, V = 5V
= 10mA, V = 3V
SOURCE
SOURCE
SOURCE
S
S
I
I
V = 5V
●
●
±18
±13
±37
±26
mA
mA
SC
S
V = 3V
S
Supply Current per Amplifier
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 8)
●
●
4.9
41
6.0
mA
S
GBW
SR
f = 100kHz
V = 5V, A = –1, R = Open, V = 4V
20
MHz
●
●
13
10
26
21
V/µs
V/µs
S
V
L
O
V = 3V, A = –1, R = Open
S
V
L
–40°C < TA < 85°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+
V
OS
Input Offset Voltage
V
CM
V
CM
= V – 0.1V
●
●
700
700
2400
2400
µV
µV
–
= V + 0.2V
V
TC
Input Offset Voltage Drift (Note 3)
Input Offset Voltage Shift
●
●
8
2.5
15
7
µV/°C
µV/°C
OS
+
V
V
= V – 0.1V
CM
–
+
∆V
= V + 0.2V to V – 0.1V
●
●
475
750
2500
4000
µV
µV
OS
CM
–
+
Input Offset Voltage Match (Channel-to-Channel) V = V + 0.2V, V (Note 5)
CM
+
I
Input Bias Current
V
CM
V
CM
= V – 0.1V
●
●
0
–3.0
1.46
–1.46
3.0
0
µA
µA
B
–
= V + 0.2V
–
+
∆I
Input Bias Current Shift
V
CM
= V + 0.2V to V – 0.1V
●
2.92
6.0
µA
B
+
Input Bias Current Match (Channel-to-Channel)
V
CM
V
CM
= V – 0.1V (Note 5)
●
●
70
70
1160
1160
nA
nA
–
= V + 0.2V (Note 5)
+
I
Input Offset Current
V
CM
V
CM
= V – 0.1V
●
●
75
75
580
580
nA
nA
OS
–
= V + 0.2V
–
+
∆I
Input Offset Current Shift
Large-Signal Voltage Gain
V
= V + 0.2V to V – 0.1V
●
50
1160
nA
OS
CM
A
VOL
V = 5V, V = 300mV to 4.7V, R = 10k
V = 3V, V = 300mV to 2.7V, R = 10k
●
●
250
200
1000
800
V/mV
V/mV
S
O
L
S
O
L
–
+
CMRR
PSRR
Common Mode Rejection Ratio
V = 5V, V = V + 0.2V to V – 0.1V
●
●
65
60
80
75
dB
dB
S
CM
–
+
V = 3V, V = V + 0.2V to V – 0.1V
S
CM
–
+
CMRR Match (Channel-to-Channel) (Note 5)
V = 5V, V = V + 0.2V to V – 0.1V
●
●
62
57
78
73
dB
dB
S
CM
–
+
V = 3V, V = V + 0.2V to V – 0.1V
S
CM
Power Supply Rejection Ratio
V = 3V to 12V, V = V = 0.5V
●
●
●
79
75
95
95
dB
dB
V
S
CM
O
PSRR Match (Channel-to-Channel) (Note 5)
Minimum Supply Voltage (Note 9)
Output Voltage Swing Low (Note 6)
V = 3V to 12V, V = V = 0.5V
S
CM
O
V
CM
= V = 0.5V
2.6
2.7
O
V
OL
No Load
●
●
●
●
19
39
730
580
40
80
1500
1200
mV
mV
mV
mV
I
I
I
= 0.5mA
SINK
SINK
SINK
= 25mA, V = 5V
= 20mV, V = 3V
S
S
4
LT1632/LT1633
ELECTRICAL CHARACTERISTICS
–40°C < TA < 85°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
OH
Output Voltage Swing High (Note 6)
No Load
●
●
●
●
16
55
860
580
40
110
1700
1200
mV
mV
mV
mV
I
I
I
= 0.5mA
= 15mA, V = 5V
= 10mA, V = 3V
SOURCE
SOURCE
SOURCE
S
S
I
I
Short-Circuit Current
V = 5V
V = 3V
S
●
●
±17
±12
±36
±24
mA
mA
SC
S
Supply Current per Amplifier
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 8)
●
●
4.95
40
6.2
mA
S
GBW
SR
f = 100kHz
V = 5V, A = –1, R = Open, V = 4V
20
MHz
●
●
11
9
22
18
V/µs
V/µs
S
V
L
O
V = 3V, A = –1, R = Open
S
V
L
TA = 25°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+
V
OS
Input Offset Voltage
V
CM
V
CM
= V
= V
500
500
2200
2200
µV
µV
–
–
+
∆V
Input Offset Voltage Shift
V
= V to V
360
700
2200
3500
µV
µV
OS
CM
–
+
Input Offset Voltage Match (Channel-to-Channel) V = V , V (Note 5)
CM
+
I
Input Bias Current
V
CM
V
CM
= V
= V
0
–2.2
1.15
–1.15
2.2
0
µA
µA
B
–
–
+
∆I
Input Bias Current Shift
V
CM
= V to V
2.3
4.4
µA
B
+
Input Bias Current Match (Channel-to-Channel)
V
CM
V
CM
= V (Note 5)
50
50
880
880
nA
nA
–
= V (Note 5)
+
I
Input Offset Current
V
CM
V
CM
= V
= V
50
50
440
440
nA
nA
OS
–
–
+
∆I
Input Offset Current Shift
Input Noise Voltage
V
= V to V
36
400
12
880
nA
OS
CM
0.1Hz to 10Hz
f = 1kHz
nV
P-P
e
n
Input Noise Voltage Density
Input Noise Current Density
Input Capacitance
nV/√Hz
pA/√Hz
pF
i
n
f = 1kHz
1.6
3
C
IN
A
VOL
f = 100kHz
Large-Signal Voltage Gain
V = –14.5V to 14.5V, R = 10k
V = –10V to 10V, R = 2k
800
400
5000
2500
V/mV
V/mV
O
L
O
L
Channel Separation
V = –10V to 10V, R = 2k
110
82
127
98
dB
dB
dB
dB
dB
O
L
–
+
CMRR
PSRR
Common Mode Rejection Ratio
CMRR Match (Channel-to-Channel) (Note 5)
Power Supply Rejection Ratio
V
CM
V
CM
= V to V
–
+
= V to V
80
101
96
V = ±5V to ±15V
S
82
PSRR Match (Channel-to-Channel) (Note 5)
Output Voltage Swing Low (Note 6)
V = ±5V to ±15V
S
80
101
V
No Load
16
150
600
35
300
1200
mV
mV
mV
OL
OH
I
I
= 5mA
= 25mA
SINK
SINK
V
Output Voltage Swing High (Note 6)
No Load
16
250
1200
40
500
2400
mV
mV
mV
I
I
= 5mA
= 25mA
SOURCE
SOURCE
5
LT1632/LT1633
ELECTRICAL CHARACTERISTICS
TA = 25°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
±70
4.6
45
MAX
UNITS
mA
I
I
Short-Circuit Current
±35
SC
S
Supply Current per Amplifier
Gain-Bandwidth Product (Note 7)
Slew Rate
6
mA
GBW
SR
f = 100kHz
22
22
MHz
V/µs
A = –1, R = Open, V = ±10V,
45
V
L
O
Measure at V = ±5V
O
t
Settling Time
0.01%, V
= 10V, A = 1, R = 1k
575
ns
S
STEP
V
L
0°C < TA < 70°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+
V
OS
Input Offset Voltage
V
CM
V
CM
= V – 0.1V
●
●
800
800
2750
2750
µV
µV
–
= V + 0.2V
V
TC
Input Offset Voltage Drift (Note 3)
Input Offset Voltage Shift
●
●
10
5
17
11
µV/°C
µV/°C
OS
+
V
V
= V – 0.1V
CM
–
+
∆V
= V + 0.2V to V – 0.1V
●
●
500
800
2500
4000
µV
µV
OS
CM
–
+
Input Offset Voltage Match (Channel-to-Channel) V = V + 0.2V, V – 0.1V (Note 5)
CM
+
I
Input Bias Current
V
CM
V
CM
= V – 0.1V
●
●
0
–2.6
1.3
–1.3
2.6
0
µA
µA
B
–
= V + 0.2V
–
+
∆I
Input Bias Current Shift
V
CM
= V + 0.2V to V – 0.1V
●
2.6
5.2
µA
B
+
Input Bias Current Match (Channel-to-Channel)
V
CM
V
CM
= V – 0.1V (Note 5)
●
●
70
70
1040
1040
nA
nA
–
= V + 0.2V (Note 5)
+
I
Input Offset Current
V
CM
V
CM
= V – 0.1V
●
●
70
70
520
520
nA
nA
OS
–
= V + 0.2V
–
+
∆I
Input Offset Current Shift
Large-Signal Voltage Gain
V
= V + 0.2V to V – 0.1V
●
140
1040
nA
OS
CM
A
VOL
V = –14.5V to 14.5V, R = 10k
V = –10V to 10V, R = 2k
●
●
600
300
4000
2000
V/mV
V/mV
O
L
O
L
Channel Separation
V = –10V to 10V, R = 2k
●
●
●
●
●
110
81
125
96
dB
dB
dB
dB
dB
O
L
–
+
CMRR
PSRR
Common Mode Rejection Ratio
CMRR Match (Channel-to-Channel) (Note 5)
Power Supply Rejection Ratio
V
CM
V
CM
= V + 0.2V to V – 0.1V
–
+
= V + 0.2V to V – 0.1V
77
95
V = ±5V to ±15V
S
80
94
PSRR Match (Channel-to-Channel) (Note 5)
Output Voltage Swing Low (Note 6)
V = ±5V to ±15V
S
74
95
V
No Load
●
●
●
21
180
680
45
350
1400
mV
mV
mV
OL
OH
I
I
= 5mA
= 25mA
SINK
SINK
V
Output Voltage Swing High (Note 6)
No Load
●
●
●
15
300
1400
40
600
2800
mV
mV
mV
I
I
= 5mA
= 25mA
SOURCE
SOURCE
I
I
Short-Circuit Current
●
●
●
●
±28
±57
5.2
41
mA
mA
SC
Supply Current per Amplifier
Gain-Bandwidth Product (Note 7)
Slew Rate
6.9
S
GBW
SR
f = 100kHz
A = –1, R = Open, V = ±10V,
20
21
MHz
V/µs
43
V
L
O
Measured at V = ±5V
O
6
LT1632/LT1633
ELECTRICAL CHARACTERISTICS
–40°C < TA < 85°C, VS = ±15V, VCM = 0V, VOUT = 0V, unless otherwise noted. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+
V
Input Offset Voltage
V
V
= V – 0.1V
●
●
1000
1000
3000
3000
µV
µV
OS
OS
CM
CM
–
= V + 0.2V
V
TC
Input Offset Voltage Drift (Note 3)
●
●
10
5
17
11
µV/°C
µV/°C
+
V
V
= V – 0.1V
CM
–
+
∆V
Input Offset Voltage Shift
= V + 0.2V to V – 0.1V
●
●
500
850
2600
4000
µV
µV
OS
CM
–
+
Input Offset Voltage Match (Channel-to-Channel) V = V + 0.2V, V – 0.1V (Note 5)
CM
+
I
Input Bias Current
V
CM
V
CM
= V – 0.1V
●
●
0
–2.8
1.4
–1.4
2.8
0
µA
µA
B
–
= V + 0.2V
–
+
∆I
Input Bias Current Shift
V
CM
= V + 0.2V to V – 0.1V
●
2.8
5.6
µA
B
+
Input Bias Current Match (Channel-to-Channel)
V
CM
V
CM
= V – 0.1V (Note 5)
●
●
75
75
1120
1120
nA
nA
–
= V + 0.2V (Note 5)
+
I
Input Offset Current
V
CM
V
CM
= V – 0.1V
●
●
60
60
560
560
nA
nA
OS
–
= V + 0.2V
–
+
∆I
Input Offset Current Shift
Large-Signal Voltage Gain
V
= V + 0.2V to V – 0.1V
●
120
1120
nA
OS
CM
A
VOL
V = –14.5V to 14.5V, R = 10k
V = –10V to 10V, R = 2k
●
●
500
250
5000
1800
V/mV
V/mV
O
L
O
L
Channel Separation
V = –10V to 10V, R = 2k
●
●
●
●
●
110
81
124
96
dB
dB
dB
dB
dB
O
L
–
+
CMRR
PSRR
Common Mode Rejection Ratio
CMRR Match (Channel-to-Channel) (Note 5)
Power Supply Rejection Ratio
V
CM
V
CM
= V + 0.2V to V – 0.1V
–
+
= V + 0.2V to V – 0.1V
77
95
V = ±5V to ±15V
S
80
93
PSRR Match (Channel-to-Channel) (Note 5)
Output Voltage Swing Low (Note 6)
V = ±5V to ±15V
S
74
95
V
No Load
●
●
●
23
187
700
50
350
1400
mV
mV
mV
OL
OH
I
I
= 5mA
= 25mA
SINK
SINK
V
Output Voltage Swing High (Note 6)
No Load
●
●
●
16
300
1500
40
600
3000
mV
mV
mV
I
I
= 5mA
= 25mA
SOURCE
SOURCE
I
I
Short-Circuit Current
●
●
●
●
±27
±54
5.3
40
mA
mA
SC
Supply Current per Amplifier
Gain-Bandwidth Product (Note 7)
Slew Rate
7
S
GBW
SR
f = 100kHz
A = –1, R = Open, V = ±10V,
20
18
MHz
V/µs
35
V
L
O
Measure at V = ±5V
O
The
range.
● denotes specifications that apply over the full operating temperature
Note 5: Matching parameters are the difference between amplifiers A and
D and between B and C on the LT1633; between the two amplifiers on the
LT1632.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 6: Output voltage swings are measured between the output and
power supply rails.
Note 2: A heat sink may be required to keep the junction temperature
below the absolute maximum rating when the output is shorted
indefinitely.
Note 7: V = 3V, V = ±15V GBW limit guaranteed by correlation to
S
S
5V tests.
Note 3: This parameter is not 100% tested.
Note 8: V = 3V, V = 5V slew rate limit guaranteed by correlation to
S
S
±15V tests.
Note 4: The LT1632C/LT1633C are guaranteed to meet specified
performance from 0°C to 70°C and are designed, characterized and
expected to meet these extended temperature limits, but are not tested at
–40°C and 85°C. Guaranteed I grade parts are available, consult factory.
Note 9: Minimum supply voltage is guaranteed by testing the change of
to be less than 250µV when the supply voltage is varied from 3V to
V
OS
2.7V.
7
LT1632/LT1633
TYPICAL PERFORMANCE CHARACTERISTICS
W
U
V
OS Distribution, VCM = 0V
VOS Distribution, VCM = 5V
(NPN Stage)
(PNP Stage)
∆VOS Shift for VCM = 0V to 5V
50
40
30
20
10
0
50
40
30
20
10
0
50
40
30
20
10
0
V
V
= 5V, 0V
CM
V
V
= 5V, 0V
CM
V = 5V, 0V
S
S
S
= 0V
= 5V
–1250 –750
–250
250
750
1250
–1250 –750
–250
250
750
1250
–1250 –750
–250
250
750
1250
INPUT OFFSET VOLTAGE (µV)
INPUT OFFSET VOLTAGE (µV)
INPUT OFFSET VOLTAGE (µV)
1632/33 G31
1632/33 G32
1632/33 G33
Input Bias Current vs
Common Mode Voltage
Supply Current vs Supply Voltage
Supply Current vs Temperature
2.0
1.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
V
= 5V, 0V
S
T
= 125°C
A
1.0
V
S
= ±15V
T
A
= 25°C
0.5
0
V
S
= 5V, 0V
–0.5
–1.0
–1.5
–2.0
T
= 125°C
= –55°C
A
T
A
= 25°C
T
= –55°C
A
T
A
0
–2 –1
1
2
3
4
5
6
16 20 24
TOTAL SUPPLY VOTAGE (V)
–75 –50 –25
0
25 50 75 100 125
0
4
8
12
28 32 36
COMMON MODE VOLTAGE (V)
TEMPERATURE (°C)
1632/33 G03
1630/31 G01
1632/33 G02
Output Saturation Voltage vs Load
Current (Output High)
Output Saturation Voltage vs Load
Current (Output Low)
Input Bias Current vs Temperature
2.8
2.0
10
1
10
1
V
= 5V, 0V
V
S
= 5V, 0V
S
V
= 5V, 0V
CM
S
V
= 5V
1.2
NPN ACTIVE
PNP ACTIVE
V
CM
= ±15V
S
0.4
V
= 15V
0
T
A
= 125°C
T
= 125°C
A
V
CM
= ±15V
= –15V
–0.4
–1.2
–2.0
–2.8
S
T
= 25°C
A
0.1
0.01
V
0.1
0.01
T
A
= 25°C
V
= 5V, 0V
CM
T
A
= –55°C
T
= –55°C
S
A
V
= 0V
–50 –35 –20 –5 10 25 40 55 70 85 100
0.01
0.1
1
10
100
0.01
0.1
1
10
100
TEMPERATURE (°C)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
1632/33 G06
1632/33 G05
1632/33 G04
8
LT1632/LT1633
W
U
TYPICAL PERFORMANCE CHARACTERISTICS
Noise Current Spectrum
Minimum Supply Voltage
Noise Voltage Spectrum
20
18
16
14
70
60
50
40
30
20
600
500
400
300
200
100
0
V
= 5V, 0V
V
= 5V, 0V
S
S
12
10
V
= 4.25V
CM
NPN ACTIVE
T
= 25°C
A
8
6
4
2
0
V
= 4.25V
CM
NPN ACTIVE
T
= 125°C
T
A
= –55°C
A
V
= 2.5V
CM
10 PNP ACTIVE
V
= 2.5V
CM
PNP ACTIVE
0
1
1
10
100
1000
4
1
2
3
5
10
100
1000
TOTAL SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
FREQUENCY (Hz)
1632/33 G10
11632/33 G09
1632/33 G07
0.1Hz to 10Hz
Output Voltage Noise
Gain Bandwidth and Phase
Margin vs Supply Voltage
Gain and Phase vs Frequency
80
70
225
180
120
105
90
75
60
45
30
15
0
80
70
60
50
40
30
20
10
0
V
= V /2
S
R
V
= 1k
V
V
= 5V, 0V
= V /2
CM
L
S
S
S
CM
= 3V, 0V
S
V
= ±15V
60
135
90
50
PHASE MARGIN
PHASE
40
45
30
0
GAIN
GAIN BANDWIDTH
20
–45
–90
–135
–180
–225
10
0
–10
–20
0.01
0.1
1
10
100
0
5
15
20
25
30
10
TIME (1SEC/DIV)
FREQUENCY (MHz)
TOTAL SUPPLY VOLTAGE (V)
1632/33 G11
1632/33 G08
1632/33 G14
PSRR vs Frequency
CMRR vs Frequency
Channel Separation vs Frequency
120
110
100
90
100
90
80
70
60
50
40
30
20
10
0
–40
–50
–60
–70
–80
–90
V
= ±15V
S
V
V
= ±15V
OUT
= 2k
S
= ±10V
P-P
V
= ±15V
S
R
L
V
S
= 5V, 0V
POSITIVE SUPPLY
80
70
60
–100
–110
–120
–130
–140
NEGATIVE SUPPLY
50
40
30
20
1k
10k
100k
1M
10M
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
1632/33 G12
1632/33 G13
1632/33 G15
9
LT1632/LT1633
W
U
TYPICAL PERFORMANCE CHARACTERISTICS
Output Step vs
Slew Rate vs Supply Voltage
Capacitive Load Handling
Settling Time to 0.01%
10
8
55
50
45
40
35
30
25
20
90
80
70
60
50
40
30
V
= ±15V
S
V
A
= 80% OF V
V
A
= 5V, 0V
= 1
OUT
V
S
S
V
L
= –1
R
= 1k
6
NONINVERTING
INVERTING
4
RISING EDGE
2
0
FALLING EDGE
–2
–4
–6
–8
–10
NONINVERTING
0.25
INVERTING
0.75
0
4
8
12 16 20
28 32 36
24
0
1.00
0.50
1
10
100
1000
TOTAL SUPPLY VOLTAGE (V)
SETTLING TIME (µs)
CAPACITIVE LOAD (pF)
1632/33 G17
1632/33 G16
1632/33 G18
Open-Loop Gain
Open-Loop Gain
Open-Loop Gain
200
150
100
50
20
15
20
15
V
S
= ±15V
V
S
= 5V, 0V
V = ±15V
S
R
= 100Ω
L
10
5
10
R
L
= 1k
5
R
= 10k
= 1k
L
0
0
0
R
L
= 10k
–5
–50
–100
–150
–200
–5
–10
–15
–20
R
L
–10
–15
–20
0
5
–20 –15 –10 –5
10 15 20
1
2
4
0
5
6
–5 –4 –3 –2 –1
0
1
2
3
4
5
6
7
3
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
1632/33 G19
1632/33 G20
1632/33 G21
Total Harmonic Distortion + Noise
vs Frequency
Maximum Undistorted Output
Signal vs Frequency
Warm-Up Drift vs Time
5
4
3
2
1
0
100
0
1
0.1
N8 PACKAGE, V = 5V, 0V
A = 1
V
S
V
= 2V
P-P
= 10k
IN
L
S8 PACKAGE, V = 5V, 0V
R
S
A
= –1
V
V
= 3V, 0V
S
A
= 1
V
–100
–200
–300
–400
–500
N8 PACKAGE, V = ±15V
S
LT1633CS, V = 5V, 0V
S
0.01
S8 PACKAGE, V = ±15V
S
V
= 5V, 0V AND 3V, 0V
S
A
= –1
V
0.001
LT1633CS, V = ±15V
S
V
= 5V, 0V
S
A
= 1
V
V
= 5V, 0V
S
0.0001
80
TIME AFTER POWER-UP (SEC)
0
20 40 60
100 120 140 160
1
10
100
1000
0.1
1
10
100
FREQUENCY (kHz)
FREQUENCY (kHz)
1630/31 G24
1632/33 G22
1632/33 G23
10
LT1632/LT1633
W
U
TYPICAL PERFORMANCE CHARACTERISTICS
Harmonic Distortion vs Frequency
5V Small-Signal Response
5V Large-Signal Response
0
–20
V
A
V
= 5V, 0V
= 1
S
V
= 2V
IN
P-P
R
= 150Ω
= 1k
L
L
R
–40
3RD
2ND
–60
–80
163233 G25
1632/33 G26
VS = 5V, 0V
VS = 5V, 0V
3RD
A
V = 1
AV = 1
2ND
RL = 1k
R
L = 1k
–100
100
1000
2000
200
500
FREQUENCY (kHz)
1632/33 G29
±15V Small-Signal Response
Harmonic Distortion vs Frequency
±15V Large-Signal Response
0
–20
V
A
V
= 5V, 0V
= –1
S
V
= 2V
IN
P-P
R
= 150Ω
= 1k
L
L
R
2ND
–40
3RD
–60
2ND
3RD
–80
1632/33 G27
1632/33 G28
VS = ±15V
V = 1
L = 1k
VS = ±15V
A
AV = 1
R
RL = 1k
–100
100
1000
2000
200
500
FREQUENCY (kHz)
16312/03030G30
U
W U U
APPLICATIONS INFORMATION
Rail-to-Rail Input and Output
PNP pair becomes inactive for the rest of the input com-
mon mode range up to the positive supply.
The LT1632/LT1633 are fully functional for an input and
output signal range from the negative supply to the posi- The output is configured with a pair of complementary
tive supply. Figure 1 shows a simplified schematic of the common emitter stages Q14/Q15 that enables the output
amplifier. The input stage consists of two differential to swing from rail to rail. These devices are fabricated on
amplifiers, a PNP stage Q1/Q2 and an NPN stage Q3/Q4 Linear Technology’s proprietary complementary bipolar
that are active over different ranges of input common process to ensure similar DC and AC characteristics.
mode voltage. The PNP differential input pair is active for Capacitors C1 and C2 form local feedback loops that lower
input common mode voltages VCM between the negative the output impedance at high frequencies.
supply to approximately 1.5V below the positive supply.
Power Dissipation
As VCM moves closer toward the positive supply, the
transistor Q5 will steer the tail current I1 to the current
mirror Q6/Q7, activating the NPN differential pair and the
The LT1632/LT1633 amplifiers combine high speed and
large output current drive in a small package. Because the
11
LT1632/LT1633
U
W U U
APPLICATIONS INFORMATION
+
V
R3
R4
R5
R6
225Ω
+
Q12
+IN
Q11
Q13
Q15
I
1
D1
+
D6
D5
D8
D7
I
2
C2
D2
V
BIAS
Q5
–
R7
225Ω
C
V
C
OUT
–IN
Q4 Q3
Q1 Q2
D3
BUFFER
AND
OUTPUT BIAS
Q9
R1
Q8
D4
C1
Q7
Q6
Q14
–
R2
V
1632/33 F01
Figure 1. LT1632 Simplified Schematic Diagram
amplifiers operate over a very wide supply range, it is
possible to exceed the maximum junction temperature of
150°C in plastic packages under certain conditions. Junc-
tion temperature TJ is calculated from the ambient tem-
perature TA and power dissipation PD as follows:
P
DMAX = (30V • 5.6mA) + (15V – 7.5V)(7.5/500)
= 0.168 + 0.113 = 0.281W
If both amplifiers are loaded simultaneously, thenthe total
power dissipation is 0.562W. The SO-8 package has a
junction-to-ambientthermalresistanceof190°C/Winstill
air. Therefore, themaximumambienttemperaturethatthe
part is allowed to operate is:
LT1632CN8: TJ = TA + (PD • 130°C/W)
LT1632CS8: TJ = TA + (PD • 190°C/W)
LT1633CS: TJ = TA + (PD • 150°C/W)
TA = TJ – (PDMAX • 190°C/W)
ThepowerdissipationintheICisthefunctionofthesupply
voltage, output voltage and load resistance. For a given
supply voltage, the worst-case power dissipation PDMAX
occurs at the maximum supply current and when the
output voltage is at half of either supply voltage (or the
maximum swing if less than 1/2 supply voltage). There-
fore PDMAX is given by:
TA = 150°C – (0.562W • 190°C/W) = 43°C
For a higher operating temperature, lower the supply
voltage or use the DIP package part.
Input Offset Voltage
The offset voltage changes depending upon which input
stage is active, and the maximum offset voltages are
trimmed to less than 1350µV. To maintain the precision
characteristics of the amplifier, the change of VOS over the
entire input common mode range (CMRR) is guaranteed
to be less than 1500µV on a single 5V supply.
PDMAX = (VS • ISMAX) + (VS/2)2/RL
To ensure that the LT1632/LT1633 are used properly,
calculate the worst-case power dissipation, use the ther-
mal resistance for a chosen package and its maximum
junction temperature to derive the maximum ambient
temperature.
Input Bias Current
The input bias current polarity depends on the input
common mode voltage. When the PNP differential pair is
active, the input bias currents flow out of the input pins.
Example: An LT1632CS8 operating on ±15V supplies and
driving a 500Ω, the worst-case power dissipation per
amplifier is given by:
12
LT1632/LT1633
U
W U U
APPLICATIONS INFORMATION
They flow in the opposite direction when the NPN input
stage is active. The offset voltage error due to input bias
currents can be minimized by equalizing the noninverting
and inverting input source impedance.
tolessthan10mA.Internal225ΩresistorsR6andR7will
limittheinputcurrentfordifferentialinputsignalsof4.5V
or less. For larger input levels, a resistor in series with
either or both inputs should be used to limit the current.
Worst-casedifferentialinputvoltageusuallyoccurswhen
the output is shorted to ground. In addition, the amplifier
is protected against ESD strikes up to 3kV on all pins.
Output
The outputs of the LT1632/LT1633 can deliver large load
currents; the short-circuit current limit is 70mA. Take care
to keep the junction temperature of the IC below the
absolute maximum rating of 150°C (refer to the Power
Dissipation section). The output of these amplifiers have
reverse-biased diodes to each supply. If the output is
forced beyond either supply, unlimited current will flow
throughthesediodes.Ifthecurrentistransientandlimited
to several hundred mA, no damage to the part will occur.
Capacitive Load
The LT1632/LT1633 are wideband amplifiers that can
drive capacitive loads up to 200pF on ±15V supplies in a
unity-gain configuration. On a 3V supply, the capacitive
load should be kept to less than 100pF. When there is a
need to drive larger capacitive loads, a resistor of 20Ω to
50Ω should be connected between the output and the
capacitiveload.Thefeedbackshouldstillbetakenfromthe
output so that the resistor isolates the capacitive load to
ensure stability.
Overdrive Protection
To prevent the output from reversing polarity when the
input voltage exceeds the power supplies, two pairs of
crossing diodes D1 to D4 are employed. When the input
voltage exceeds either power supply by approximately
700mV, D1/D2 or D3/D4 will turn on, forcing the output to
the proper polarity. For this phase reversal protection to
work properly, the input current must be limited to less
than 5mA. If the amplifier is to be severely overdriven, an
external resistor should be used to limit the overdrive
current.
Feedback Components
The low input bias currents of the LT1632/LT1633 make it
possible to use the high value feedback resistors to set the
gain. However, care must be taken to ensure that the pole
formedbythefeedbackresistorsandthetotalcapacitance
at the inverting input does not degrade stability. For
instance, the LT1632/LT1633 in a noninverting gain of 2,
set with two 20k resistors, will probably oscillate with
10pF total input capacitance (5pF input capacitance and
5pF board capacitance). The amplifier has a 6MHz cross-
ing frequency and a 55° phase margin at 6dB of gain. The
feedback resistors and the total input capacitance form a
pole at 1.6MHz that induces a phase shift of 75° at 5MHz!
The solution is simple: either lower the value of the
resistors or add a feedback capacitor of 10pF or more.
The LT1632/LT1633’s input stages are also protected
against large differential input voltages by a pair of back-
to-back diodes D5/D8. When a differential voltage of
more than 1.4V is applied to the inputs, these diodes will
turn on, preventing the emitter-base breakdown of the
input transistors. The current in D5/D8 should be limited
U
TYPICAL APPLICATIONS
Single Supply, 40dB Gain, 550kHz Instrumentation
Amplifier
The amplifier has a nominal gain of 100, which can be
adjusted with resistor R5. The DC output level is set by the
difference of the two inputs multiplied by the gain of 100.
The voltage gain and the DC output level can be
expressed as follows:
An instrumentation amplifier with a rail-to-rail output
swing,operatingfroma3Vsupplycanbeconstructedwith
the LT1632 as shown in the first page of this data sheet.
13
LT1632/LT1633
TYPICAL APPLICATIONS
U
10
0
R4
R3
R2 R3 +R2
A =
1+
+
V
R1
R5
–10
–20
–30
–40
–50
–60
–70
–80
–90
+
IN
−
IN
V
= V − V
• A
V
OUT
Common mode range can be calculated by the following
equations:
V
V
= 3V, 0V
S
= 2.5V
IN
P-P
Lower limit common mode input voltage
0.1k
1k
10k
100k
1M
10M
FREQUENCY (Hz)
V
A
R2
R5
1.0
1.1
OUT
1632/33 F03
V
=
+ 0.1V
CML
V
Figure 3. Frequency Response
Upper limit common mode input voltage
V
A
R2
R5
1.0
1.1
With a 2.25VP-P, 100kHz input signal on a 3V supply, the
filter has harmonic distortion of less than –87dBc.
OUT
V
=
+ V − 0.15V
(
)
CMH
S
V
where V is supply voltage.
RF Amplifier Control Biasing and DC Restoration
S
Taking advantage of the rail-to-rail input and output, and
the large output current capability of the LT1632, the
circuit shown in Figure 4 provides precise bias current for
the RF amplifiers and restores the DC output level. To
ensure optimum performance of an RF amplifier, its bias
point must be accurate and stable over the operating
For example, the common mode range is from 0.15V to
2.65V if the output is set at one half of the 3V supply. The
common mode rejection is greater than 110dB at 100Hz
when trimmed with resistor R1. The amplifier has a
bandwidth of 550kHz.
Single Supply, 400kHz, 4th Order Butterworth Filter
5V
ThecircuitshowninFigure2makesuseofthelowvoltage
operation and the wide bandwidth of the LT1632 to create
a400kHz4thorderlowpassfilterwithasinglesupply. The
amplifiers are configured in the inverting mode to mini-
mize common mode induced distortion and the output
can swing rail-to-rail for the maximum dynamic range.
Figure 3 displays the frequency response of the filter.
Stopband attenuation is greater than 85dB at 10MHz.
R4
10Ω
R2
R1
453Ω
10Ω
5V
–
Q1
2N3906
A1
Q2
2N3906
1/2 LT1632
+
+
C1
0.01µF
R3
10k
+
+
C6
0.01µF
C5
0.01µF
L1
220µH
L2
220µH
HP-MSA0785
RF2
HP-MSA0785
RF1
C3
C2
1500pF
C4
1500pF
1500pF
V
IN
V
OUT
47pF
2.32k
6.65k
L3
3.9µH
L4
2.32k
22pF
2.74k
5.62k
–
3.9µH
V
IN
2.74k
–
+
220pF
1/2 LT1632
+
A2
1632/33 F04
470pF
V
1/2 LT1632
+
R5
50Ω
OUT
1/2 LT1632
–
V /2
S
1632/33 F02
Figure 4. RF Amplifier Control Biasing and DC Restoration
Figure 2. Single Supply, 400kHz, 4th Order Butterworth Filter
14
LT1632/LT1633
U
TYPICAL APPLICATIONS
temperature range. The op amp A1 combined with Q1, Q2,
R1, R2 and R3 establishes two current sources of 21.5mA
to bias RF1 and RF2 amplifiers. The current of Q1, is
determined by the voltage across R2 over R1, which is
thenreplicatedinQ2.Thesecurrentsourcesarestableand
precise over temperature and have a low dissipated power
due to a low voltage drop between their terminals. The
amplifier A2 is used to restore the DC level at the output.
With a large output current of the LT1632, the output can
be set at 1.5V DC on 5V supply and 50Ω load. This circuit
has a –3dB bandwidth from 2MHz to 2GHz and a power
gain of 25dB.
U
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTION
N8 Package
8-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
0.400*
(10.160)
MAX
0.130 ± 0.005
(3.302 ± 0.127)
0.300 – 0.325
(7.620 – 8.255)
0.045 – 0.065
(1.143 – 1.651)
8
1
7
6
5
4
0.065
(1.651)
TYP
0.255 ± 0.015*
(6.477 ± 0.381)
0.009 – 0.015
(0.229 – 0.381)
0.125
0.020
(0.508)
MIN
(3.175)
MIN
+0.035
–0.015
2
3
0.325
0.100 ± 0.010
(2.540 ± 0.254)
0.018 ± 0.003
+0.889
8.255
N8 1197
(
)
(0.457 ± 0.076)
–0.381
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.189 – 0.197*
(4.801 – 5.004)
0.010 – 0.020
(0.254 – 0.508)
7
5
8
6
× 45°
0.053 – 0.069
(1.346 – 1.752)
0.004 – 0.010
(0.101 – 0.254)
0.008 – 0.010
(0.203 – 0.254)
0°– 8° TYP
0.150 – 0.157**
(3.810 – 3.988)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.050
(1.270)
TYP
0.014 – 0.019
(0.355 – 0.483)
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
1
2
3
4
SO8 0996
S Package
14-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.337 – 0.344*
(8.560 – 8.738)
0.010 – 0.020
(0.254 – 0.508)
14
13
12
11
10
9
8
× 45°
0.053 – 0.069
(1.346 – 1.752)
0.004 – 0.010
(0.101 – 0.254)
0.008 – 0.010
(0.203 – 0.254)
0° – 8° TYP
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
0.050
(1.270)
TYP
0.014 – 0.019
(0.355 – 0.483)
0.016 – 0.050
0.406 – 1.270
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
S14 0695
1
2
3
4
5
6
7
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.
15
LT1632/LT1633
U
TYPICAL APPLICATION
Tunable Q Notch Filter
decrease Q as depicted in Figure 6, because the output
induces less of feedback to amplifier A2. The value of R7
should be equal or greater than R9 to prevent oscillation.
If R8 is a short and R9 is larger than R7, then the positive
feedbackfromtheoutputwillcreatephaseinversionatthe
output of amplifier A2, which will lead to oscillation.
A single supply, tunable Q notch filter as shown in Figure
5 is built with LT1632 to maximize the output swing. The
filter has a gain of 2, and the notch frequency (fO) is set by
thevaluesofRandC. TheresistorsR10andR11setupthe
DC level at the output. The Q factor can be adjusted by
varying the value of R8. The higher value of R8 will
C
1000pF
C1
2.2µF
5V
40
20
R
+
V
IN
1.62k
A1
V
R
OUT
1/2 LT1632
R1
1.62k
1
INCREASING R8
–
f =
500Ω
O
C
2πRC
R2
1k
1000pF
0
–20
–40
R = 1.62k
C = 1000pF
R6
1k
R5
1k
DECREASING R8
R11
R11+R10
–
V
= 5V
= 2.5V
O(DC)
C5
4.7µF
R7
1k
A2
A
= 2
V
5V
1/2 LT1632
+
R10
10k
R8
5k
R9
1k
0
20 40 60 80 100 120 140 160 180 200
1632/33 F05
FREQUENCY (kHz)
C2
4.7µF
R11
10k
13632/33 F06
Figure 6. Frequency Response
Figure 5. Tunable Q Notch Filter
RELATED PARTS
PART NUMBER
DESCRIPTON
COMMENTS
Input Common Mode Includes Ground, 275µV V
LT1211/LT1212 Dual/Quad 14MHz, 7V/µs, Single Supply Precision Op Amps
,
OS(MAX)
6µV/°C Max Drift, Max Supply Current 1.8mA per Op Amp
LT1213/LT1214 Dual/Quad 28MHz, 12V/µs, Single Supply Precision Op Amps
LT1215/LT1216 Dual/Quad 23MHz, 50V/µs, Single Supply Precision Op Amps
Input Common Mode Includes Ground, 275µV V
6µV/°C Max Drift, Max Supply Current 3.5mA per Op Amp
,
OS(MAX)
Input Common Mode Includes Ground, 450µV V
,
OS(MAX)
6µV/°C Max Drift, Max Supply Current 6.6mA per Op Amp
LT1498/LT1499 Dual/Quad 10MHz, 6V/µs Rail-to-Rail Input and Output
High DC Accuracy, 475µV V
Max Supply Current 2.2mA per Amp
, 4µV/°C Max Drift,
OS(MAX)
C-LoadTM Op Amps
LT1630/LT1631 Dual/Quad 30MHz, 10V/µs Rail-to-Rail Input and Output Op Amps High DC Accuracy, 525µV V , 70mA Output Current,
OS(MAX)
Max Supply Current 4.4mA per Amp
C-Load is a trademark of Linear Technology Corporation.
16323f LT/TP 0998 4K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1998
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
●
(408)432-1900 FAX:(408)434-0507 www.linear-tech.com
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