LTC2054HVIS5#TRM [Linear]
LTC2054 - Single Micropower Zero-Drift Operational Amplifiers; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C;
| 型号： | LTC2054HVIS5#TRM |
| 厂家： | 
Linear |
| 描述： | LTC2054 - Single Micropower Zero-Drift Operational Amplifiers; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C 运算放大器 放大器电路 光电二极管 |
| 文件： | 总12页 (文件大小：200K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LTC2054/LTC2054HV
Low Power Zero-Drift
Operational Amplifiers
in SOT-23
U
FEATURES
DESCRIPTIO
The LTC®2054 and LTC2054HV are low power, low noise
zero-drift operational amplifiers available in the
5-lead SOT-23 package. The LTC2054 operates from a
single 2.7V to 6V supply. The LTC2054HV operates on
supplies from 2.7V to ±5.5V. The current consumption is
150µA (typical), 175µA maximum over temperature.
■
Supply Current 175µA (Max), Guaranteed
Over Temperature
■
Offset Voltage 3µV (Max)
■
■
■
■
■
■
■
Offset Voltage Drift 30nV/°C (Max)
Noise: 1.6µVP-P (0.01Hz to 10Hz Typ)
Voltage Gain: 140dB (Typ)
PSRR: 130dB (Typ)
The LTC2054, despite its miniature size, features uncom-
promising DC performance. The typical input offset volt-
age and offset drift are 0.5µV and 25nV/°C. The almost
zero DC offset and drift are supported with a power supply
rejection ratio (PSRR) and common mode rejection ratio
(CMRR) of more than 130dB.
CMRR: 130dB (Typ)
Input Bias Current <1pA (Typ)
Supply Operation: 2.7V to 6V (LTC2054)
2.7V to ±5.5V (LTC2054HV)
Common Mode Input Range from V– to V+ –0.5V
Output Swings Rail-to-Rail
■
■
■
Theinputcommonmodevoltagerangesfromthenegative
supply up to typically 0.5V from the positive supply. The
open-loop gain is typically 140dB. The LTC2054 also
features a 1.6µVP-P DC to 10Hz noise and a 500kHz gain
bandwidth product.
Low Profile (1mm) SOT-23 (ThinSOT™) Package
U
APPLICATIO S
■
Thermocouple Amplifiers
■
Electronic Scales
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
■
Medical Instrumentation
Strain Gauge Amplifiers
High Resolution Data Acquisition
DC Accurate RC Active Filters
Low Side Current Sense
Battery-Powered Systems
■
■
■
■
■
U
TYPICAL APPLICATION
Supply Current vs
Differential Bridge Amplifier
Temperature
250
225
200
5V
5V
0.1µF
1µF
V
S
= ±5V
LT1790-2.5
175
150
125
100
75
V
= ±2.5V
S
499k
V
= ±1.5V
S
5
4
3
10kΩ
BRIDGE
–
1
A
= 100
LTC2054HV
V
50
+
2
25
0.1µF
499k
0
–45
–5
15
35
55
75
–25
–5V
2054 TA01
TEMPERATURE (°C)
2054 TA02
2054f
1
LTC2054/LTC2054HV
W
U
W W W
U
/O
PACKAGE RDER I FOR ATIO
ABSOLUTE AXI U RATI GS
(Note 1)
Total Supply Voltage (V+ to V–)
TOP VIEW
+
LTC2054 .............................................................. 7V
LTC2054HV......................................................... 12V
Input Voltage ........................ (V+ + 0.3V) to (V – – 0.3V)
Output Short-Circuit Duration......................... Indefinite
Operating Temperature Range ............... –40°C to 85°C
Specified Temperature Range
OUT 1
–
5 V
V
2
+IN 3
4 –IN
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
TJMAX = 150°C, θJA = 250°C/W
(Note 4) ................................................. –40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART
NUMBER
S5 PART
MARKING
LTAGB
LTAGD
LTAGB
LTAGD
LTC2054CS5
LTC2054HVCS5
LTC2054IS5
LTC2054HVIS5
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS (LTC2054, LTC2054HV) The ● denotes specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. VS = 3V unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
No Load
MIN
TYP
140
MAX
175
UNITS
µA
I
Supply Current
●
●
S
V
Input Offset Voltage
Average Input Offset Drift
Long-Term Offset Drift
Input Bias Current
(Note 2)
±0.5
±3
µV
OS
∆V /∆T
(Note 2)
±0.03
µV/°C
nV/√mo
OS
50
I
I
(Note 3)
(Note 3)
±600
fA
pA
B
●
●
±150
±300
Input Offset Current
±1.2
pA
pA
OS
e
Input Noise Voltage
R = 100Ω, 0.01Hz to 10Hz
1.6
µV
P-P
n
S
+
CMRR
Common Mode Rejection Ratio
V
= GND to (V – 0.7V)
115
110
130
dB
dB
CM
●
●
PSRR
Power Supply Rejection Ratio
V = 2.7V to 6V
S
120
115
130
dB
dB
2054f
2
LTC2054/LTC2054HV
ELECTRICAL CHARACTERISTICS (LTC2054, LTC2054HV) The ● denotes specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. VS = 3V unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
R = 100k, V
MIN
TYP
MAX
UNITS
A
V
V
Large-Signal Voltage Gain
= V /2
120
115
135
dB
dB
VOL
OUT
OUT
L
OUT
S
●
Output Voltage Swing High
Output Voltage Swing Low
R = 5k to GND
●
●
2.85
2.98
V
V
L
R = 100k to GND
L
R = 5k to GND
●
●
10
10
mV
mV
L
R = 100k to GND
L
SR
Slew Rate
0.5
500
1.0
V/µs
kHz
kHz
GBW
Gain Bandwidth Product
Internal Sampling Frequency
f
S
(LTC2054, LTC2054HV) VS = 5V unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
No Load
MIN
TYP
MAX
175
UNITS
µA
I
Supply Current
●
●
150
S
V
OS
Input Offset Voltage
Average Input Offset Drift
Long-Term Offset Drift
Input Bias Current
(Note 2)
±3
µV
∆V /∆T
OS
(Note 2)
±0.03
µV/°C
nV/√mo
50
I
I
(Note 3)
(Note 3)
±800
fA
pA
B
●
●
±150
±300
Input Offset Current
±1.6
pA
pA
OS
e
Input Noise Voltage
R = 100Ω, 0.01Hz to 10Hz
1.6
µV
P-P
n
S
+
CMRR
Common Mode Rejection Ratio
V
CM
= GND to (V – 0.7V)
120
115
130
dB
dB
●
●
●
PSRR
Power Supply Rejection Ratio
Large-Signal Voltage Gain
Output Voltage Swing High
Output Voltage Swing Low
V = 2.7V to 6V
S
120
115
130
140
dB
dB
A
V
V
R = 100k, V
L
= V /2
125
120
dB
dB
VOL
OUT
OUT
OUT
S
R = 5k to GND
●
●
4.75
4.98
V
V
L
R = 100k to GND
L
R = 5k to GND
●
●
10
10
mV
mV
L
R = 100k to GND
L
SR
Slew Rate
0.5
500
1.0
V/µs
kHz
kHz
GBW
Gain Bandwidth Product
Internal Sampling Frequency
f
S
2054f
3
LTC2054/LTC2054HV
(LTC2054HV) The ● denotes specifications which apply over the full
ELECTRICAL CHARACTERISTICS
operating temperature range, otherwise specifications are at TA = 25°C. VS = ±5V unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
No Load
MIN
TYP
175
MAX
210
UNITS
µA
I
Supply Current
●
●
S
V
Input Offset Voltage
Average Input Offset Drift
Long-Term Offset Drift
Input Bias Current
(Note 2)
±0.5
±5
µV
OS
∆V /∆T
OS
(Note 2)
±0.03
µV/°C
nV/√mo
50
I
I
(Note 3)
(Note 3)
±1
pA
pA
B
●
●
±150
±300
Input Offset Current
±2
pA
pA
OS
e
Input Noise Voltage
R = 100Ω, 0.01Hz to 10Hz
1.6
µV
n
S
P-P
dB
dB
–
+
CMRR
Common Mode Rejection Ratio
V
= V to (V – 0.9V)
120
115
130
CM
●
●
●
PSRR
Power Supply Rejection Ratio
Large-Signal Voltage Gain
V = 2.7V to 11V
S
120
115
130
140
dB
dB
A
V
R = 100k, V = GND
L OUT
125
120
dB
dB
VOL
OUT
Maximum Output Voltage Swing
R = 5k to GND
●
●
±4.75
±4.98
V
V
L
R = 100k to GND
L
SR
Slew Rate
0.5
500
1.0
V/µs
kHz
kHz
GBW
Gain Bandwidth Product
Internal Sampling Frequency
f
S
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: These parameters are guaranteed by design. Thermocouple effects
preclude measurements of these voltage levels during automated testing.
Note 3: Limit is determined by high speed automated test capability. See
characteristic curves for actual typical performance. For tighter
specifications, please consult Linear Technology Marketing.
Note 4: The LTC2054C, LTC2054HVC 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. The LTC2054I, LTC2054HVI are guaranteed to meet the
specified performance from –40°C and 85°C.
2054f
4
LTC2054/LTC2054HV
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Common Mode Rejection Ratio
vs Frequency
DC CMRR vs Common Mode Input
Voltage
PSRR vs Frequency
140
140
120
140
120
V
V
= 3V OR 5V
S
120
100
80
= 0.5V
CM
P-P
100
80
60
40
20
0
100
80
60
40
20
0
60
40
V
= 5V
S
V
= 3V
S
–PSRR
20
+PSRR
0
–20
–40
V
V
= ±2.5V
S
T
= 25°C
A
= 0.5V
IN
RMS
10
100
1k
10k
100k
1M
0
1
2
3
4
5
1
10
100
1k
10k
100k
FREQUENCY (Hz)
V
(V)
FREQUENCY (Hz)
CM
2054 G02
2054 G01
LTC2054 • G14
Single Supply Output Swing vs
Output Current
Dual Supply Output Swing vs
Output Current
Output Voltage Swing vs Load
Resistance
5
4
12
10
8
5
4
V
= ±5V
S
S
–
V = ±5V
S
R
L
TO GND
R
L
TO V
R TO GND
L
V
S
= 10V
3
V
= ±2.5V
3
V = ±2.5V
S
2
2
V
S
= ±1.5V
V
V
= ±1.5V
= ±1.5V
1
1
S
0
6
0
V
= 5V
= 3V
S
V
S
= ±1.5V
S
–1
–2
–3
–4
–5
–1
–2
–3
–4
–5
4
V
S
V
S
= ±2.5V
V
S
= ±2.5V
2
V
S
= ±5V
V
S
= ±5V
0
10
0
2
4
6
8
0
1
10
0
1
10
LOAD RESISTANCE (kΩ)
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
2054 G04
2054 G20
2054 G03
Input Bias Current vs Input
Common Mode Voltage
Gain/Phase vs Frequency
Bias Current vs Temperature
4
0
+
120
100
80
–60
+
100
10
1
IN , V = 5V
S
IN , V = 3V
S
V
= ±2.5V
S
IN
L
±1.5V
±2.5V
±5V
+
IN , V = 10V
V
= 0.5V
S
P-P
= 10kΩ
–80
PHASE
R
–100
–120
–140
–160
–180
–200
–220
–4
–
–
IN , V = 5V
S
IN , V = 3V
S
60
–8
GAIN
40
–
IN , V = 10V
–12
–16
–20
–24
S
20
0
C
C
C
= 30pF
= 50pF
= 100pF
L
L
L
–20
–40
0.1
1
3
4
5
6
7
9
0
10
2
8
10
100
1k
10k 100k
1M
10M
–45
55
75
–25
–5
15
35
INPUT COMMON MODE VOLTAGE (V)
FREQUENCY (Hz)
TEMPERATURE (°C)
2054 G05
2054 G13
2054 G06
2054f
5
LTC2054/LTC2054HV
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Input Overload Recovery
Transient Response
Input Overload Recovery
0.2
0
2.5
0
1
0
0
0
–1
–2.5
–0.2
A
= 1
10µs/DIV
A
= –100
2ms/DIV
A
V
= –100
= 100k
= ±2.5V
2ms/DIV
V
L
V
L
S
R
= 100k
= 50pF
= ±2.5V
R = 100k
R
L
S
IN
C
V
V
V
V
= ±2.5V
V
V
L
S
IN
2054 G07
2054 G08
2054 G18
= 50Hz 200mV
= 50Hz 200mV
IN
P-P
P-P
= 10kHz 2V
P-P
OFFSET = –100mV
OFFSET = 100mV
Short-Circuit Output Current
vs Supply Voltage
Common Mode Input Range
vs Supply Voltage
10
8
11
10
9
I
SOURCE
–
V
= V
OUT
6
8
7
4
6
2
5
0
4
I
SINK
3
+
–2
–4
–6
V
= V
OUT
2
1
0
0
1
2
3
4
5
6
7
8
9
10 11
3
4
5
6
7
8
9
+
10 11
–
TOTAL SUPPLY VOLTAGE, V TO V (V)
SUPPLY VOLTAGE (V)
2054 G09
2054 G10
Supply Current vs Supply Voltage
Supply Current vs Temperature
Noise Spectrum
250
225
200
175
150
125
100
75
200
190
180
170
160
150
140
130
120
110
100
100
90
80
70
60
50
40
30
20
10
0
T
= 25°C
A
V
= ±5V
S
V
= ±2.5V
S
V
= ±1.5V
S
50
25
A
V
= 100
= ±2.5V
V
S
0
–45
–5
15
35
3
4
5
6
7
8
9
10
–25
55
75
10
100
1k
10k
TOTAL SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
FREQUENCY (Hz)
2054 G15
2054 G11
2054 G12
2054f
6
LTC2054/LTC2054HV
TEST CIRCUITS
Electrical Characteristics
DC-10Hz Noise Test Circuit
Test Circuit
100k
100k
475k
OUTPUT
+
V
10Ω
4
10Ω
4
3
5
0.01µF
–
–
+
158k
316k
475k
1
1
LTC2054
LTC2054
–
3
TO X-Y
RECORDER
0.1µF
0.01µF
+
LT1012
2
R
L
+
–
V
2054 TC01
2054 TC02
FOR 1Hz NOISE BW INCREASE ALL THE CAPACITORS BY A FACTOR OF 10.
U
W U U
APPLICATIONS INFORMATION
Clock Feedthrough, Input Bias Current
reduce this form of clock feedthrough, use smaller valued
gain setting resistors and minimize the source resistance
at the input. If the resistance seen at the inputs is less than
10k,thisformofclockfeedthroughislessthantheamount
of residue clock feedthrough from the first form described
above.
The LTC2054 uses auto-zeroing circuitry to achieve an
almost zero DC offset over temperature, common mode
voltage, and power supply voltage. The frequency of the
clock used for auto-zeroing is typically 1.0kHz. The term
clock feedthrough is broadly used to indicate visibility of
thisclockfrequencyintheopampoutputspectrum. There
are typically two types of clock feedthrough in auto zeroed
op amps like the LTC2054.
Placing a capacitor across the feedback resistor reduces
eitherformofclockfeedthroughbylimitingthebandwidth
of the closed loop gain.
The first form of clock feedthrough is caused by the
settling of the internal sampling capacitor and is input
referred; that is, it is multiplied by the closed loop gain of
theopamp. Thisformofclockfeedthroughisindependent
of the magnitude of the input source resistance or the
magnitude of the gain setting resistors. The LTC2054 has
a residue clock feedthrough of less then 0.2µVRMS input
referred at 1.0kHz.
Input bias current is defined as the DC current into the
input pins of the op amp. The same current spikes that
cause the second form of clock feedthrough described
above, whenaveraged, dominatetheDCinputbiascurrent
of the op amp below 70°C.
At temperatures above 70°C, the leakage of the ESD
protection diodes on the inputs increases the input bias
currents of both inputs in the positive direction, while the
current caused by the charge injection stays relatively
constant. At elevated temperatures (above 85°C) the
leakage current begins to dominate and both the negative
and positive pin’s input bias currents are in the positive
direction (into the pins).
The second form of clock feedthrough is caused by the
small amount of charge injection occurring during the
sampling and holding of the op amp’s input offset voltage.
The current spikes are multiplied by the impedance seen
at the input terminals of the op amp, appearing at the
outputmultipliedbytheclosedloopgainoftheopamp. To
2054f
7
LTC2054/LTC2054HV
U
W U U
APPLICATIONS INFORMATION
LTC2054 DC to 1Hz Noise
0.4µV
2054 G16
10 SEC
LTC2054 DC to 10Hz Noise
1µV
2054 G17
1 SEC
2054f
8
LTC2054/LTC2054HV
U
W U U
APPLICATIONS INFORMATION
LTC2054 Extended
Common Mode Range
Extended Common Mode Range
The LTC2054 input stage is designed to allow nearly rail-
to-rail input common-mode signals. In addition, signals
that extend beyond the allowed input common-mode
range do not cause output inversion.
Voltage Follower with Input Exceeding the Common Mode Range
2.5V
7
2
3
–
6
LTC2054
OUTPUT
100k
1k
±3.75V
A
= 1
500µs/DIV
V
L
+
4
R = 100k
P
V
V
= ±2.5V
= 500Hz 7.5V
S
IN
SINE WAVE
–2.5V
2054 G19
P-P
2054 TA09
2054f
9
LTC2054/LTC2054HV
U
TYPICAL APPLICATIONS
Gain of 1001 Single Supply
Instrumentation Amplifier
0.1µF
1k
+
1M
V
1M
4
+
5
V
–
+
1k
4
3
1
5
LTC2054
2
–
+
LTC2054
2
3
1
V
–V
IN
OUT
+V
IN
OUTPUT DC OFFSET ≤ 6mV
FOR 0.1% RESISTORS, CMRR = 54dB
2054 TA04
Instrumentation Amplifier with 100V Common Mode Input Voltage
1k
+
1M
V
+
1M
1M
V
5
4
3
+
IN
–
–
1k
5
4
3
1
V
LTC2054HV
–
1
+
V
OUT
LTC2054HV
2
+
–
2
V
1k
–
V
OUTPUT OFFSET ≤3mV
FOR 0.1% RESISTORS, CMRR = 54dB
2054 TA06
2054f
10
LTC2054/LTC2054HV
U
PACKAGE DESCRIPTIO
S5 Package
5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635)
0.62
MAX
0.95
REF
2.90 BSC
(NOTE 4)
1.22 REF
1.50 – 1.75
(NOTE 4)
2.80 BSC
1.4 MIN
3.85 MAX 2.62 REF
PIN ONE
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
0.95 BSC
0.80 – 0.90
0.20 BSC
DATUM ‘A’
0.01 – 0.10
1.00 MAX
0.30 – 0.50 REF
1.90 BSC
0.09 – 0.20
(NOTE 3)
NOTE:
S5 TSOT-23 0302
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
2054f
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.
11
LTC2054/LTC2054HV
U
TYPICAL APPLICATIONS
Ground Referred Precision Current Sources
Ultra-Precision, Wide Dynamic Range Photodiode Amplifier
LT1634-1.25
100k
330pF
+
V
10k
4
5
–
5V
1k
1
–
LTC2054
3
+
LTC2054HV
2
ANY
PHOTODIODE
R
SET
+
V
–5V
1.25V
= ———
BIAS
I
OUT
R
SET
+
GAIN = 0.1V/µA
50µA FULL SCALE
V
OUT
–
2054 TA10
0 ≤ I
≤ 100µA
OUT
OUT
+
0.2V ≤ V
≤ (V ) – 1.5V
2054 TA05
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
Low Supply Current 200µA
LTC1049
Low Power Zero-Drift Op Amp
Precision Zero-Drift Op Amp
LTC1050
Single Supply Operation 4.75V to 16V, Noise Tested and Guaranteed
Dual/Quad Version of the LTC1050
LTC1051/LTC1053 Precision Zero-Drift Op Amp
LTC1150
LTC1152
LT1677
±15V Zero-Drift Op Amp
High Voltage Operation ±18V
Rail-to-Rail Input and Output Zero-Drift Op Amp
Single Zero-Drift Op Amp with Rail-to-Rail Input and Output and Shutdown
Low Noise Rail-to-Rail Input and Ouptput
Precision Op Amp
V
= 90µV, V = 2.7V to 44V
S
OS
LT1884/LT1885
LTC2050
Rail-to-Rail Output Precision Op Amp
Zero-Drift Op Amp
V
= 50µV, I = 400pA, V = 2.7V to 40V
B S
OS
Enhanced Output Drive Capability
Dual/Quad Version of the LTC2050 in MS8/GN16 Package
Rail-to-Rail Input
LTC2051/LTC2052 Dual/Quad Zero-Drift Op Amp
LTC2053
Zero-Drift Instrumentation Amp
2054f
LT/TP 0104 1K • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
12
●
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(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2003
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