ICL7611DCSA+ [MAXIM]
Operational Amplifier, 1 Func, 20000uV Offset-Max, CMOS, PDSO8, LEAD FREE, PLASTIC, SOP-8;
| 型号： | ICL7611DCSA+ |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | Operational Amplifier, 1 Func, 20000uV Offset-Max, CMOS, PDSO8, LEAD FREE, PLASTIC, SOP-8 放大器 光电二极管 |
| 文件： | 总26页 (文件大小：551K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-0942; Rev 3; 5/10
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
General Description
Features
o Pin-for-Pin Second Source
The ICL761X–ICL764X family of monolithic CMOS op
amps combine ultra-low input current with low-power
operation over a wide supply voltage range. With pin-
selectable quiescent currents of 10µA, 100µA, or
1000µA per amplifier, these op amps will operate from
± 1ꢀ to ± ꢁꢀ power supplies, or from single supplies
from 2ꢀ to 16ꢀ. The CMOS outputs swing to within milli-
volts of the supply voltages.
o 1pA Typical Bias Current—4nA (max) at +125°C
o
1ꢀ to ꢁꢀ Vide Supply ꢀoltaꢂe ꢃanꢂe
o Industry-Standard Pinouts
o Proꢂrammable Quiescent Currents of 10µA,
100µA, and 1000µA
o Monolithic, Low-Power CMOS Desiꢂn
The ultra-low bias current of 1pA makes this family of
op amps ideal for long time constant integrators,
picoammeters, low droop rate sample/hold amplifiers
and other applications where input bias and offset cur-
rents are critical. A low noise current of 0.01pA√Hz and
an input impedance of 1012Ω ensure optimum perfor-
mance with very high source impedances in such
applications as pH meters and photodiode amplifiers.
Applications
Battery-Powered Instruments
Ordering Information
ICL76XX
M
N
OP
Low-Leakage Amplifiers
ꢀ
OS
TEMP
ꢃANGE
PKG CODE
Long-Time Constant Integrators
Low-Frequency Active Filters
SELECTION
C = 0°C to
70°C
Tꢀ= ꢁ-Pin TO-
99
A = 2mꢀ
B = 5mꢀ
C = 10mꢀ
D = 15mꢀ
E = 20mꢀ
Hearing Aids and Microphone Amplifiers
Low Droop Rate Sample/Hold Amplifiers
Picoammeters
E = -40°C to
+ꢁ5°C
PA = ꢁ-Pin
Plastic Dip
M = -55°C to
+125°C
SA = ꢁ-Pin
Small SO
Pin Configuration
TOP VIEW
SINGLES—ICL7611/12/14/16
TO—99
JD = 14-Pin
CERDIP
(I SET)*
O
8
PD = 14-Pin
Plastic Dip
OFFSET
V+
1
3
7
5
-IN
2
6
OUTPUT
SD = 14-Pin
Small SO
+IN
OFFSET
4
V-
JE = 16-Pin
CERDIP
*PIN 7 CONNECTED TO CASE
8-PIN DIP
PE = 16-Pin
Plastic Dip
(I SET)*
O
1
8
7
6
5
OFFSET
IN
SE = 16-Pin
Small SO
2
3
4
V+
WE – 16-Pin
Wide SO
OUT
+IN
V-
OFFSET
Typical Operatinꢂ Circuit appears at end of data sheet.
*EXTERNAL COMPENSATION (ICL7614)
________________________________________________________________ Maxim Inteꢂrated Products
1
For pricinꢂ, delivery, and orderinꢂ information, please contact Maxim Direct at 1-ꢁꢁꢁ-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Single/Dual/Triple/Quad
Operational Amplifiers
Ordering Information (continued)
Compensated
X
X
X
X
X
X
X
X
Externally
Compensated
X
X
Extended
CMꢀR
X
X
X
X
X
X
Offset null
capability
X
X
X
X
Programmable
I
Q
X
X
6
Fixed I -10µA
X
Q
Fixed I -
Q
100µA
X
X
Fixed I -1mA
Q
X
Ordering Information (Single/Dual)
PAꢃT
TEMP ꢃANGE
0°C to +70°C
0°C to +70°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
ꢁ Slim SO
PAꢃT
TEMP ꢃANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +ꢁ5°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +ꢁ5°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-55°C to +125°C
0°C to +70°C
PIN-PACKAGE
ꢁ Plastic Dip
ꢁ Slim SO
ICL7621BCSA
ICL7621BCTꢀ
ICL7621BMTꢀ
ICL7621DCPA
ICL7621DCSA
ICL7621DCTꢀ
ICL7622ACPD
ICL7622ACSD
ICL7622ACJD
ICL7622AMJD
ICL7622BCPD
ICL7622BCSA
ICL7622BCJD
ICL7622BMJD
ICL7622DCPD
ICL7622DCSD
ICL7622DCJD
ICL761XACPA
ICL761XACSA
ICL761XACTꢀ
ICL761XAMTꢀ
ICL761XBCPA
ICL761XBCSA
ICL761XBCTꢀ
ICL761XBESA
ICL761XBMTꢀ
ICL761XDCPA
ICL761XDCSA
ICL761XDCTꢀ
ICL761XDESA
ICL7621ACPA
ICL7621ACSA
ICL7621ACTꢀ
ICL7621AMTꢀ
ICL7621BCPA
TO-99 Metal Can
TO-99 Metal Can
ꢁ Plastic Dip
ꢁ Slim SO
TO-99 Metal Can
TO-99 Metal Can
ꢁ Plastic Dip
ꢁ Slim SO
TO-99 Metal Can
14 Plastic Dip
14 Slim SO
TO-99 Metal Can
ꢁ Slim SO
14 CERDIP
TO-99 Metal Can
ꢁ Plastic Dip
ꢁ Slim SO
14 CERDIP
14 Plastic Dip
14 Slim SO
TO-99 Metal Can
ꢁ Slim SO
14 CERDIP
14 CERDIP
ꢁ Plastic Dip
ꢁ Slim SO
14 Plastic Dip
14 Slim SO
TO-99 Metal Can
TO-99 Metal Can
ꢁ Plastic Dip
14 CERDIP
Note: X above is replaced by: 1, 2, 4, ꢁ.
2
_______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
Pin Configurations
TOP VIEW
SINGLES—ICL7611/12/14/16
TO—99
DUALS—ICL7621/22
TO—99
(I SET)*
O
V+
8
8
14 LEAD
OFFSET
V+
OUT
OUT
B
A
1
3
7
5
1
3
7
5
-IN
2
6
OUTPUT
-IN
2
A
6
-IN
B
A
B
OFFSETA
V+
1
2
3
14
13
-INA
+INA
+IN
OFFSET
+IN
+IN
4
4
V-
V-
+
-
A
*PIN 7 CONNECTED TO CASE
12 OUTA
11 N.C.
10 OUTB
OFFSETA
V-
4
5
6
7
8 LEAD
8 LEAD
OFFSETB
+INB
(I SET)*
O
V+
1
8
7
6
5
1
2
3
4
8
7
6
5
OFFSET
-IN
OUTA
-INA
B
+
-
A
-
+
9
8
V+
2
3
4
V+
OUTB
-INB
B
+
-
-INB
OFFSETB
OUT
+IN
V-
+INA
V-
NOTE: PINS 9 & 13 ARE INTERNALLY CONNECTED
OFFSET
+INB
*EXTERNAL COMPENSATION (ICL7614)
_______________________________________________________________________________________
3
Single/Dual/Triple/Quad
Operational Amplifiers
ABSOLUTE MAXIMUM RATINGS (Single/Dual)
Total Supply Voltage (V+ to V-) 1111111111111111111111111111111111111111111+±8V
ꢁnput Voltage 1111111111111111111111111111111111111111(V+ + .13V) to (V- - .13V)
Differential ꢁnput Voltage (Note ±)111111±(V+ + .13V) to (V- - .13V)
Duration of Output Short Circuit (Note 2)1111111111111111111111Unlimited
Operating Temperature Ranges:
M Series1111111111111111111111111111111111111111111111111111111111111-55°C to +±25°C
E Series1111111111111111111111111111111111111111111111111111111111111111-4.°C to +85°C
C Series 11111111111111111111111111111111111111111111111111111111111111111-.°C to +7.°C
Storage Temperature Range 1111111111111111111111111111-55°C to +±5.°C
Lead Temperature (solderingꢀ ±.s) 11111111111111111111111111111111+3..°C
Soldering Temperature (reflow)
Continuous Power Dissipation (T = +25°C)
A
TO-99 Metal Can (derate 2mW/°C above +25°C) 111111125.mW
8-Pin Minidip (derate 2mW/°C above +25°C)1111111111111125.mW
±4-Pin Plastic (derate 3mW/°C above +25°C)1111111111111375mW
±4-Pin CERDꢁP (derate 4mW/°C above +25°C)111111111115..mW
±6-Pin Plastic (derate 3mW/°C above +25°C)1111111111111375mW
±6-Pin CERDꢁP (derate 4mW/°C above +25°C)111111111115..mW
Lead(Pb)-Free Packages111111111111111111111111111111111111111111111+26.°C
Packages Containing Lead111111111111111111111111111111111111111111+24.°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device1 These are stress ratings onlyꢀ and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied1 Exposure to
absolute maximum rating conditions for extended periods may affect device reliability1
Note 1: Long-term offset voltage stability will be degraded if large input differential voltages are applied for long periods of time1
Note 2: The outputs may be shorted to ground or to either supply for V
≤ ±.V1 Care must be taken to insure that the dissipation
SUPP
6
rating is not exceeded1
ELECTRICAL CHARACTERISTICS (Single/Dual)
(V
= ±±1.Vꢀ ꢁ = ±.µAꢀ T = +25°Cꢀ unless otherwise noted1)
SUPP
Q
A
ICL76XXA
ICL76XXB
TYP
PARAMETER
SYMBOL
CONDITIONS
≤ ±..kΩꢀ
UNITS
MIN
TYP
MAX
MIN
MAX
R
S
2
5
T
= +25°C
A
ꢁnput Offset Voltage
Temperature
V
mV
OS
R
S
≤ ±..kΩꢀ
3
7
T
≤ T ≤ T
MꢁN
A
MAX
ΔV /ΔT
R
S
≤ ±..kΩ
±.
±5
µV/°C
pA
OS
Coefficient of V
OS
T
A
= +25°C
.15
3.
3..
5.
.15
3.
3..
5.
ꢁnput Offset Current
ꢁnput Bias Current
ꢁ
OS
.°C ≤ T ≤ +7.°C
A
T
A
= +25°C
±1.
±1.
ꢁ
pA
BꢁAS
.°C ≤ T ≤ +7.°C
5..
5..
A
Common-Mode
Voltage Range
(Except ꢁCL76±2/
ꢁCL76±6)
V
-.14
+.16
-.14
+.16
V
CMR
Extended Common-
Mode Voltage Range
(ꢁCL76±2 Only)
V
V
-±1±
-±13
+.16
-.13
-±1±
-±13
+.16
-.13
V
V
V
CMR
CMR
Extended Common-
Mode Voltage Range
(ꢁCL76±6 Only)
ꢁ
= ±.µA
Q
R = ±MΩꢀ T = +25°C
±.198
±.196
±.198
±.196
L
A
Output Voltage Swing
V
OUT
R = ±MΩꢀ .°C ≤ T
+7.°C
≤
L
A
4
_______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
ELECTꢃICAL CHAꢃACTEꢃISTICS (Sinꢂle/Dual) (continued)
(ꢀ
= ± 1.0ꢀ, I = 10µA, T = +25°C, unless otherwise noted.)
SUPP
Q
A
ICL76XXA
TYP
ICL76XXB
TYP
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
MIN
MAX
MIN
MAX
ꢀ
T
= ± 0.1ꢀ, R = 1MΩ,
= +25°C
O
A
L
90
ꢁ0
90
ꢁ0
Large-Signal ꢀoltage
Gain
A
ꢀOL
dB
ꢀ
= ± 0.1ꢀ, R = 1MΩ,
L
O
0°C ≤ T ≤ +70°C
A
Unity-Gain
Bandwidth
GBW
0.044
1012
ꢁ0
0.044
1012
ꢁ0
MHz
Ω
Input Resistance
R
IN
Common-Mode
Rejection Ratio
CMRR
PSRR
R
R
≤ 100kΩ
≤ 100kΩ
dB
S
S
Power-Supply
Rejection Ratio
ꢁ0
100
0.01
6
ꢁ0
100
0.01
6
dB
nꢀ/√Hz
pA/√Hz
µA
Input-Referred Noise
ꢀoltage
e
n
R = 100Ω, f = 1kHz
S
Input-Referred Noise
Current
i
n
R = 100Ω, f = 1kHz
S
Supply Current (Per
Amplifier)
I
No signal, no load
15
15
SUPP
A
= 1, C = 100pF,
L
= 0.2ꢀ , R = 1MΩ
P-P L
ꢀOL
Slew Rate
SR
0.016
20
0.016
20
ꢀ/µs
µs
ꢀ
IN
ꢀ
= 50mꢀ, C = 100pF,
IN
L
Rise Time
t
r
R = 1MΩ
L
ꢀ
= 50mꢀ, C = 100pF,
L
IN
Overshoot Factor
5
5
%
R = 1MΩ
L
ELECTꢃICAL CHAꢃACTEꢃISTICS (Sinꢂle/Dual)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXA
ICL76XXB
TYP
ICL76XXD
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
mꢀ
MIN TYP MAX MIN
MAX
MIN
TYP MAX
R
T
≤ 100kΩ,
= +25°C
S
A
2
5
15
Input Offset
ꢀoltage
ꢀ
OS
R
S
≤ 100kΩ,
3
7
20
T
≤ T ≤ T
MIN
A
MAX
Temperature
Coefficient of ꢀ
∆ꢀ /∆T
R
≤ 100kΩ
10
15
25
0.5
µꢀ/°C
OS
S
OS
T
A
= +25°C
0.5
30
0.5
30
30
C: 0°C ≤ T
+70°C
≤
A
A
A
300
300
300
Input Offset
Current
I
pA
OS
E: -40°C ≤ T
+ꢁ5°C
≤
≤
ꢁ00
ꢁ00
ꢁ00
ꢁ00
ꢁ00
ꢁ00
M: -55°C≤ T
+125°C
_______________________________________________________________________________________
5
Single/Dual/Triple/Quad
Operational Amplifiers
ELECTꢃICAL CHAꢃACTEꢃISTICS (Sinꢂle/Dual) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXA
ICL76XXB
TYP
ICL76XXD
TYP MAX
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
MIN TYP MAX MIN
MAX
MIN
T
A
= +25°C
1.0
50
1.0
50
1.0
50
C: 0°C ≤ T
+70°C
≤
A
400
400
4000
4000
400
Input Bias Current
I
pA
BIAS
E: -40°C ≤ T
+ꢁ5°C
≤
≤
A
4000
4000
4000
4000
M: -55°C≤ T
+125°C
A
+4.4
-4.0
+4.2
-4.0
+3.7
-3.7
+4.4
-4.0
+4.2
-4.0
+3.7
-3.7
+4.4
-4.0
+4.2
-4.0
+3.7
-3.7
I
= 10µA (Note 3)
= 100µA (Note 3)
Q
Q
Common-Mode
ꢀoltage Range
(Except ICL7612/
ICL7616)
1–ICL764X
ꢀ
ꢀ
I
ꢀ
ꢀ
CMR
CMR
I
Q
I
Q
I
Q
= 1mA (Note 3)
= 10µA
± 5.3
± 5.3
± 5.3
Extended
+5.3
-5.1
+5.3
-4.5
-5.3
+5.3
-5.1
+5.3
-4.5
-5.3
+5.3
-5.1
+5.3
-4.5
-5.3
Common-Mode
ꢀoltage Range
(ICL7612 Only)
= 100µA
I
Q
= 1mA
= 10µA
I
I
I
Q
Q
Q
+3.7
-5.1
+3.7
-5.1
+3.5
-5.1
Extended
Common-Mode
ꢀoltage Range
(ICL7616 Only)
ꢀ
ꢀ
= 100µA
= 1mA
CMR
+3.0
-4.5
+3.0
-4.5
+2.7
-4.5
+2.0
+2.0
+1.7
6
_______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
ELECTꢃICAL CHAꢃACTEꢃISTICS (Sinꢂle/Dual) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXA
ICL76XXB
TYP
ICL76XXD
TYP MAX
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
MIN TYP MAX MIN
MAX
MIN
T
=
A
± 4.9
± 4.9
± 4.9
+25°C
C: 0°C ≤
T
A
≤
± 4.ꢁ
± 4.ꢁ
± 4.ꢁ
± 4.7
I
Q =
10µA,
+70°C
R
=
L
E: -40°C
1MΩ
± 4.7
± 4.7
≤ T
≤
A
(Note 3)
+ꢁ5°C
M: -55°C
≤ T
+125°C
≤
± 4.7
± 4.9
± 4.ꢁ
± 4.7
± 4.9
± 4.ꢁ
± 4.7
± 4.9
± 4.ꢁ
A
T
A
=
+25°C
C: 0°C ≤
T
A
≤
I
+70°C
Q =
100µA,
Output ꢀoltage
Swing
ꢀ
ꢀ
OUT
E: -40°C
R
=
L
± 4.5
± 4.5
± 4.5
≤ T
≤
A
100kΩ
+ꢁ5°C
M: -55°C
≤ T
+125°C
≤
± 4.5
± 4.5
± 4.3
± 4.5
± 4.5
± 4.3
± 4.5
± 4.5
± 4.3
A
T
A
=
+25°C
C: 0°C ≤
T
A
≤
I
+70°C
Q =
R
1mA,
L
E: -40°C
= 10kΩ
(Note 3)
≤ T
≤
± 4.0
± 4.0
± 4.0
± 4.0
± 4.0
± 4.0
A
+ꢁ5°C
M: -55°C
≤ T
≤
A
+125°C
_______________________________________________________________________________________
7
Single/Dual/Triple/Quad
Operational Amplifiers
ELECTꢃICAL CHAꢃACTEꢃISTICS (Sinꢂle/Dual) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXA
ICL76XXB
TYP
ICL76XXD
TYP MAX
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
MIN TYP MAX MIN
MAX
MIN
T
=
A
ꢁ6
104
ꢁ0
104
ꢁ0
104
+25°C
C: 0°C ≤
ꢀ
=
T
A
≤
ꢁ0
75
75
6ꢁ
6ꢁ
ꢁ0
75
6ꢁ
6ꢁ
76
72
6ꢁ
6ꢁ
O
± 4.0ꢀ
R
1MΩ,
+70°C
=
L
E: -40°C
74
74
ꢁ6
ꢁ0
74
74
ꢁ0
76
72
72
6ꢁ
6ꢁ
ꢁ0
75
6ꢁ
6ꢁ
76
72
6ꢁ
6ꢁ
≤ T
≤
A
I
Q
=
+ꢁ5°C
10µA
M: -55°C
≤ T
≤
1–ICL764X
A
+125°C
T
A
=
102
102
102
+25°C
C: 0°C ≤
ꢀ
O =
± 4.0ꢀ,
T
A
≤
+70°C
R
=
L
Large-Signal
ꢀoltage Gain
100kΩ,
dB
E: -40°C
A
ꢀOL
I
Q =
100µA
≤ T
≤
A
+ꢁ5°C
M: -55°C
≤ T
≤
A
+125°C
T
A
=
ꢁ3
ꢁ3
ꢁ3
+25°C
ꢀ
O =
± 4.0ꢀ,
C: 0°C ≤
T
A
≤
R
10kΩ,
=
L
+70°C
E: -40°C
I
Q =
≤ T
≤
A
1mA
(Note 3)
+ꢁ5°C
M: -55°C
≤ T
≤
A
+125°C
ꢁ
_______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
ELECTꢃICAL CHAꢃACTEꢃISTICS (Sinꢂle/Dual) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXA
ICL76XXB
TYP
ICL76XXD
TYP MAX
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
MIN TYP MAX MIN
MAX
MIN
I
Q
I
Q
I
Q
= 10µA (Note 3)
= 100µA
0.044
0.4ꢁ
1.4
0.044
0.4ꢁ
0.044
0.4ꢁ
1.4
Unity-Gain
Bandwidth
GBW
MHz
= 1mA (Note 3)
1.4
1012
Input Resistance
R
1012
1012
Ω
IN
R
≤ 100kΩ,
= 10µA (Note 3)
S
S
S
S
S
S
76
76
66
ꢁ0
ꢁ0
70
96
91
70
70
60
ꢁ0
ꢁ0
70
96
91
70
70
60
ꢁ0
ꢁ0
70
96
91
I
Q
Common-Mode
Rejection Ratio
R
≤ 100kΩ,
= 100µA
CMRR
PSRR
dB
dB
I
Q
R
≤ 100kΩ,
= 1mA (Note 3)
ꢁ7
ꢁ7
ꢁ7
I
Q
R
≤ 100kΩ,
= 10µA (Note 3)
94
94
94
I
Q
Power-Supply
Rejection Ratio
R
≤ 100kΩ,
= 100µA
ꢁ6
ꢁ6
ꢁ6
I
Q
R
≤ 100kΩ,
= 1mA (Note 3)
77
77
77
I
Q
Input-Referred
Noise ꢀoltage
R = 100Ω, f =
1kHz
S
e
100
0.01
100
0.01
100
0.01
nꢀ/√Hz
pA/√Hz
n
Input-Referred
Noise Current
R = 100Ω, f =
S
i
n
1kHz
I
= 10µA
Q
0.01 0.02
0.01
0.02
0.01
0.02
(Note 3)
No
signal,
no load
Supply Current
(Per Amplifier)
I
mA
dB
SUPP
I
=
Q
0.1
1.0
120
0.25
2.5
0.1
1.0
120
0.25
2.5
0.1
1.0
120
0.25
2.5
100µA
I
Q
= 1mA
(Note 3)
Channel
Separation
ꢀ
/ ꢀ
O2
A
ꢀOL
= 100
O1
_______________________________________________________________________________________
9
Single/Dual/Triple/Quad
Operational Amplifiers
ELECTꢃICAL CHAꢃACTEꢃISTICS (Sinꢂle/Dual) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXA
ICL76XXB
TYP
ICL76XXD
MIN TYP MAX
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
= 10µA
UNITS
MIN TYP MAX MIN
MAX
I
Q
(Note 3),
R = 1MΩ
0.016
0.16
0.016
0.16
0.016
0.16
L
A
ꢀOL
=
I
Q
=
1, C =
L
100pF,
100µA, R
Slew Rate
(Note 4)
L
SR
ꢀ/µs
= 100kΩ
ꢀ
=
IN
ꢁꢀ
P-P
I
Q
= 1mA
(Note 3),
R =
L
1.6
1.6
1.6
10kΩ
1–ICL764X
I
Q
= 10µA
(Note 3),
R = 1MΩ
20
2
20
2
20
2
L
ꢀ
=
I =
Q
IN
100µA, R
Rise Time
(Note 4)
50mꢀ,
C =
L
L
t
r
µs
= 100kΩ
100pF
I
Q
= 1mA
(Note 3),
R =
L
0.9
0.9
0.9
10kΩ
I
Q
= 10µA
(Note 3),
R = 1MΩ
5
5
5
L
ꢀ
=
I =
Q
IN
100µA, R
= 100kΩ
10
10
10
Overshoot Factor
(Note 4)
50mꢀ,
C =
L
L
%
100pF
I
Q
= 1mA
(Note 3),
R =
L
40
40
40
10kΩ
Note 3: ICL7611, ICL7612, ICL7616 only.
Note 4: ICL7ꢁ14; 39pF from pin 6 to pin ꢁ.
10 ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
Ordering Information (Triple/Quad)
PAꢃT
TEMP ꢃANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
16 Plastic Dip
16 Slim SO
PAꢃT
TEMP ꢃANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
14 Plastic Dip
16 Wide SO
14 Plastic Dip
16 Wide SO
14 Plastic Dip
16 Wide SO
14 CERDIP
ICL763XBCPE
ICL763XBCSE
ICL763XCCPE
ICL763XCCSE
ICL763XECPE
ICL763XECSE
ICL763XBCJE
ICL763XCCJE
ICL763XECJE
ICL763XBMJE
ICL763XCMJE
ICL764XBCPD
ICL764XBCWE
ICL764XCCPD
ICL764XCCWE
ICL764XECPD
ICL764XECWE
ICL764XBCJD
ICL764XCCJD
ICL764XECJD
ICL764XBMJD
ICL764XCMJD
16 Plastic Dip
16 Slim SO
16 Plastic Dip
16 Slim SO
16 CERDIP
16 CERDIP
14 CERDIP
16 CERDIP
14 CERDIP
-55°C to +125°C 16 CERDIP
-55°C to +125°C 16 CERDIP
-55°C to +125°C 14 CERDIP
-55°C to +125°C 14 CERDIP
Note: X above is replaced by 1, 2.
Pin Configurations
TOP VIEW
ICL7631/32
16 LEAD
ICL7641/42
16 LEAD WIDE S.O.
ICL7641/42
14 LEAD
I
SET
OUTD
-IND
OUTD
-IND
1
2
3
16
15
1
2
3
16
15
1
2
3
16
15
OC
N.C.
-INA
OUTA
-INA
OUTA
-INA
A
D
A
D
-
+
+
-
-
+
+
-
V+
-
A
+
14 OUTA
13 +INB
12 -INB
14 +IND
13 V-
14 +IND
13 V-
+INA
OUTB
V+
+INA
V+
+INA
V+
4
5
6
7
8
4
5
6
7
8
4
5
6
7
+
-
B
12 +INC
11 -INC
10 OUTC
12 +INC
11 -INC
10 OUTC
INB
INB
11
I
SET
SET I
-INB
OUTB
N.C.
-INB
OUTB
OB
OC
-INC
+INC
-
+
+
-
-
+
+
-
B
C
B
C
-
C
10 OUT
+
9
9
V-
N.C.
NOTE: PINS 5 & 15 ARE INTERNALLY CONNECTED
______________________________________________________________________________________ 11
Single/Dual/Triple/Quad
Operational Amplifiers
ABSOLUTE MAXIMUM ꢃATINGS (Triple/Quad)
Total Supply ꢀoltage (ꢀ+ to ꢀ-) ...........................................+1ꢁꢀ
Input ꢀoltage ........................................(ꢀ+ + 0.3ꢀ) to (ꢀ- - 0.3ꢀ)
Differential Input ꢀoltage (Note 5).......± ±(ꢀ+ + 0.3ꢀ) - (ꢀ- - 0.3ꢀ)
Duration of Output Short Circuit (Note 6)......................Unlimited
16-Pin Plastic (derate 3mW/°C above +25°C).............375mW
16-Pin CERDIP (derate 4mW/°C above +25°C)...........500mW
Operating Temperature Ranges:
M Series.............................................................-55°C to +125°C
E Series................................................................-40°C to +ꢁ5°C
C Series .................................................................-0°C to +70°C
Storage Temperature Range ............................-55°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
Continuous Power Dissipation (T = +25°C)
A
TO-99 Metal Can (derate 2mW/°C above +25°C) .......250mW
ꢁ-Pin Minidip (derate 2mW/°C above +25°C)..............250mW
14-Pin Plastic (derate 3mW/°C above +25°C).............375mW
14-Pin CERDIP (derate 4mW/°C above +25°C)...........500mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 5: Long-term offset voltage stability will be degraded if large input differential voltages are applied for long periods of time.
Note 6: The outputs may be shorted to ground or to either supply for ꢀ
≤ 10ꢀ. Care must be taken to insure that the
SUPP
dissipation rating is not exceeded.
1–ICL764X
ELECTꢃICAL CHAꢃACTEꢃISTICS (Triple/Quad)
(ꢀ
= ± 1.0ꢀ, I = 10µA, T = +25°C, unless otherwise noted.) (Specifications apply to ICL7631/7632/7642 only.)
SUPP
Q
A
ICL76XXB
TYP
ICL76XXC
TYP
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
MIN
MAX
MIN
MAX
R
≤ 100kΩ,
= +25°C
S
5
10
T
A
Input Offset ꢀoltage
Temperature
ꢀ
mꢀ
OS
R
≤ 100kΩ,
S
7
12
T
MIN
≤ T ≤ T
A
MAX
∆ꢀ /∆T
R
S
≤ 100kΩ
15
20
µꢀ/°C
pA
OS
Coefficient of ꢀ
OS
T
A
= +25°C
0.5
30
300
50
0.5
30
300
50
Input Offset Current
Input Bias Current
I
OS
0°C ≤ T ≤ +70°C
A
T
A
= +25°C
1.0
1.0
I
pA
BIAS
0°C ≤ T ≤ +70°C
500
500
A
Common-Mode
ꢀoltage Range
ꢀ
-0.4
+0.6
-0.4
+0.6
ꢀ
CMR
R = 1MΩ, T = +25°C
± 0.9ꢁ
± 0.96
± 0.9ꢁ
± 0.96
L
A
Output ꢀoltage
Swing
ꢀ
ꢀ
OUT
R = 1MΩ, 0°C ≤ T
≤
L
A
+70°C
ꢀ
T
= ± 0.1ꢀ, R = 1MΩ,
L
= +25°C
O
A
90
ꢁ0
90
ꢁ0
Large-Signal ꢀoltage
Gain
A
ꢀOL
dB
ꢀ
= ± 0.1ꢀ, R = 1MΩ,
O
L
0°C ≤ T ≤ +70°C
A
Unity-Gain
Bandwidth
GBW
0.044
1012
ꢁ0
0.044
1012
ꢁ0
MHz
Ω
Input Resistance
R
IN
Common-Mode
Rejection Ratio
CMRR
R
≤ 100kΩ
dB
S
12 ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
ELECTꢃICAL CHAꢃACTEꢃISTICS (Triple/Quad) (continued)
(ꢀ
= ± 1.0ꢀ, I = 10µA, T = +25°C, unless otherwise noted.) (Specifications apply to ICL7631/7632/7642 only.)
SUPP
Q
A
ICL76XXB
TYP
ICL76XXC
TYP
PAꢃAMETEꢃ
SYMBOL
CONDITIONS
UNITS
dB
MIN
MAX
MIN
MAX
Power-Supply
Rejection Ratio
PSRR
ꢁ0
ꢁ0
Input-Referred Noise
ꢀoltage
e
R = 100Ω, f = 1kHz
100
0.01
100
0.01
nꢀ/√Hz
pA/√Hz
n
S
Input-Referred Noise
Current
i
n
R = 100Ω, f = 1kHz
S
Supply Current (Per
Amplifier)
I
No signal, no load
6
15
6
15
µA
dB
SUPP
Channel Separation
ꢀ
/ ꢀ
O2
A
A
= 100
120
120
O1
ꢀOL
= 1, C = 100pF,
ꢀOL
L
Slew Rate
SR
0.016
0.016
ꢀ/µs
ꢀ
= 0.2ꢀ , R = 1MΩ
P-P L
IN
ꢀ
= 50mꢀ, C =
IN
L
Rise Time
t
20
5
20
5
µs
%
r
100pF, R = 1MΩ
L
ꢀ
= 50mꢀ, C =
L
IN
Overshoot Factor
100pF, R = 1MΩ
L
ELECTꢃICAL CHAꢃACTEꢃISTICS (Triple/Quad)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXB
MIN TYP MAX MIN
ICL76XXC
TYP
ICL76XXE
PARAMETER
SYMBOL
CONDITIONS
UNITS
mꢀ
MAX
MIN
TYP MAX
R
T
≤ 100kΩ,
= +25°C
S
A
5
10
20
Input Offset
ꢀoltage
ꢀ
OS
R
S
≤ 100kΩ,
7
15
25
T
≤ T ≤ T
MIN
A
MAX
Temperature
Coefficient of ꢀ
∆ꢀ /∆T
R
S
≤ 100kΩ
15
20
30
µꢀ/°C
OS
OS
T
A
= +25°C
0.5
30
0.5
30
0.5
30
C: 0°C ≤ T
+70°C
≤
A
300
300
300
Input Offset
Current
I
pA
pA
OS
M: -55°C≤ T
+125°C
≤
≤
A
ꢁ00
50
ꢁ00
50
ꢁ00
50
T
A
= +25°C
1.0
1.0
1.0
C: 0°C ≤ T
≤
A
500
500
500
+70°C
Input Bias Current
I
BIAS
M: -55°C≤ T
+125°C
A
4000
4000
4000
______________________________________________________________________________________ 13
Single/Dual/Triple/Quad
Operational Amplifiers
ELECTꢃICAL CHAꢃACTEꢃISTICS (Triple/Quad) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXB
MIN TYP MAX MIN
ICL76XXC
TYP
ICL76XXE
TYP MAX
PARAMETER
SYMBOL
CONDITIONS
= 10µA (Note 7)
= 100µA (Note 9)
= 1mA (Note ꢁ)
UNITS
MAX
MIN
+4.4
-4.0
+4.2
-4.0
+3.7
-3.7
+4.4
-4.0
+4.2
-4.0
+3.7
-3.7
+4.4
-4.0
+4.2
-4.0
+3.7
-3.7
I
Q
I
Q
I
Q
Common-Mode
ꢀoltage Range
ꢀ
ꢀ
CMR
T
=
A
± 4.9
± 4.9
± 4.9
+25°C
I
=
Q
C: 0°C ≤
10µA,
R =
L
1MΩ
T ≤
± 4.ꢁ
± 4.ꢁ
± 4.ꢁ
6
A
+70°C
(Note 7)
M: -55°C
± 4.7
± 4.9
± 4.ꢁ
± 4.7
± 4.9
± 4.ꢁ
± 4.7
± 4.9
± 4.ꢁ
≤ T
+125°C
≤
A
T
A
=
+25°C
I
=
Q
C: 0°C ≤
100µA,
R =
L
100kΩ
T
A
≤
Output ꢀoltage
Swing
ꢀ
ꢀ
OUT
+70°C
(Note 9)
M: -55°C
± 4.5
± 4.5
± 4.3
± 4.5
± 4.5
± 4.3
± 4.5
± 4.5
± 4.3
≤ T
+125°C
≤
A
T
A
=
+25°C
C: 0°C ≤
I
=
Q
T
A
≤
1mA, R
L
+70°C
= 10kΩ
(Note ꢁ)
M: -55°C
± 4.0
± 4.0
± 4.0
≤ T
≤
A
+125°C
14 ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
ELECTꢃICAL CHAꢃACTEꢃISTICS (Triple/Quad) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXB
MIN TYP MAX MIN
ICL76XXC
TYP
ICL76XXE
TYP MAX
PARAMETER
SYMBOL
CONDITIONS
UNITS
MAX
MIN
T
=
A
ꢁ6
104
102
9ꢁ
ꢁ0
104
102
9ꢁ
ꢁ0
104
102
9ꢁ
+25°C
ꢀ
=
O
± 4.0ꢀ,
R =
L
1MΩ,
C: 0°C ≤
T
A
≤
ꢁ0
75
75
+70°C
I
Q
=
10µA
(Note 7)
M: -55°C
≤ T
+125°C
74
ꢁ6
ꢁ0
6ꢁ
ꢁ0
75
6ꢁ
ꢁ0
75
≤
A
T
A
=
+25°C
ꢀ
=
O
C: 0°C ≤
± 4.0ꢀ,
T
A
≤
Large-Signal
ꢀoltage Gain
R =
L
100kΩ,
A
ꢀOL
+70°C
dB
I
Q
=
M: -55°C
≤ T
+125°C
100µA
74
ꢁ6
ꢁ0
6ꢁ
ꢁ0
75
6ꢁ
ꢁ0
75
≤
A
T
A
=
ꢀ
=
O
+25°C
± 4.0ꢀ,
R =
L
C: 0°C ≤
T
A
≤
10kΩ
(Note ꢁ),
+70°C
I
=
Q
M: -55°C
1mA
(Note 7)
≤ T
≤
74
6ꢁ
6ꢁ
A
+125°C
______________________________________________________________________________________ 15
Single/Dual/Triple/Quad
Operational Amplifiers
ELECTꢃICAL CHAꢃACTEꢃISTICS (Triple/Quad) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXB
MIN TYP MAX
ICL76XXC
TYP MAX
0.044
0.4ꢁ
1.4
ICL76XXE
TYP MAX
0.044
0.4ꢁ
1.4
UNITS
PARAMETER
SYMBOL
CONDITIONS
MIN
MIN
I
Q
I
Q
I
Q
= 10µA (Note 7)
= 100µA (Note 9)
= 1mA (Note ꢁ)
0.044
0.4ꢁ
1.4
Unity-Gain
Bandwidth
G
MHz
BW
Input Resistance
R
1012
1012
1012
Ω
IN
R
≤ 100kΩ,
= 10µA (Note 7)
S
S
S
S
S
S
76
76
66
ꢁ0
ꢁ0
70
96
91
70
70
60
ꢁ0
ꢁ0
70
96
70
70
60
ꢁ0
ꢁ0
70
96
I
Q
Common-Mode
Rejection Ratio
R
≤ 100kΩ,
= 100µA
CMRR
PSRR
dB
dB
91
91
I
Q
R
≤ 100kΩ,
= 1mA (Note ꢁ)
ꢁ7
ꢁ7
ꢁ7
I
Q
1–ICL764X
R
≤ 100kΩ,
= 10µA (Note 7)
94
94
94
I
Q
Power-Supply
Rejection Ratio
R
≤ 100kΩ,
= 100µA
ꢁ6
ꢁ6
ꢁ6
I
Q
R
≤ 100kΩ,
= 1mA (Note ꢁ)
77
77
77
I
Q
Input-Referred
Noise ꢀoltage
e
R = 100Ω, f = 1kHz
100
0.01
0.01
0.1
1.0
120
100
100
nꢀ/√Hz
pA/√Hz
n
S
Input-Referred
Noise Current
i
n
R = 100Ω, f = 1kHz
S
0.01
0.01
I
Q
= 10µA
0.022
0.25
2.5
0.01 0.022
0.01 0.022
(Note 7)
No
signal,
no load
Supply Current
(Per Amplifier)
I =
Q
100µA
I
mA
dB
0.1
1.0
120
0.25
2.5
0.1
1.0
120
0.25
2.5
SUPP
I
Q
= 1mA
(Note ꢁ)
Channel
Separation
ꢀ
/ ꢀ
A
= 100
O1
O2
ꢀOL
ꢀOL
I
Q
= 10µA
(Note 7),
R = 1MΩ
0.016
0.16
1.6
0.016
0.16
1.6
0.016
0.16
1.6
A
=
L
1, C =
L
100pF,
Slew Rate
(Note 10)
I
= 100µA,
Q
SR
ꢀ/µs
R = 100kΩ
L
ꢀ
=
IN
ꢁꢀ
P-P
I
Q
= 1mA
(Note 7),
R = 10kΩ
L
16 ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
ELECTꢃICAL CHAꢃACTEꢃISTICS (Triple/Quad) (continued)
(ꢀ
= ± 5.0ꢀ, T = +25°C, unless otherwise noted.)
A
SUPP
ICL76XXB
MIN TYP MAX MIN
ICL76XXC
TYP
ICL76XXE
MAX MIN TYP MAX
PARAMETER
SYMBOL
CONDITIONS
= 10µA
UNITS
I
Q
(Note 7),
R = 1MΩ
20
2
20
2
20
2
L
ꢀ
=
IN
Rise Time
(Note 10)
50mꢀ,
C =
L
I = 100µA,
Q
R = 100kΩ
L
t
r
µs
100pF
I
= 1mA
Q
0.9
0.9
0.9
(Note ꢁ),
R = 10kΩ
L
I
Q
= 10µA
(Note 7),
R = 1MΩ
5
5
5
L
ꢀ
=
IN
Overshoot Factor
(Note 10)
50mꢀ,
C =
L
100pF
I = 100µA,
Q
R = 100kΩ
L
10
40
10
40
10
40
%
I
= 1mA
Q
(Note ꢁ),
R = 10kΩ
L
Note 7: Does not apply to ICL7641.
Note ꢁ: Does not apply to ICL7642.
Note 9: ICL7631/ICL7632 only.
Note 10: Does not apply to ICL7632.
Typical Operating Characteristics
(T = +25°C, unless otherwise noted.)
A
______________________________________________________________________________________ 17
Single/Dual/Triple/Quad
Operational Amplifiers
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
1–ICL764X
1ꢁ ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
______________________________________________________________________________________ 19
Single/Dual/Triple/Quad
Operational Amplifiers
Typical Operating Characteristics (continued)
(T = +25°C, unless otherwise noted.)
A
1–ICL764X
20 ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
and the voltage gain is maximized in this mode. The
output stage, however, can also be operated in Class
AB, which supplies higher output currents (see the
Typical Operating Characteristics). The voltage gain
decreases and the output transfer characteristic is non-
linear during the transition from Class A to Class B
operation.
Detailed Description
Quiescent Current Selection
The voltage input to the I pin of the single and triple
Q
amplifiers selects a quiescent current (I ) of 10µA,
Q
100µA, or 1000µA. The dual and quad amplifiers have
fixed quiescent current (I ) settings. Unity-gain band-
Q
width and slew-rate increase with increasing quiescent
current, as does output sink current capability. The out-
put source current capability is independent of quies-
cent current.
The output stage, with a gain that is directly proportion-
al to load impedance, approximates a transconduc-
tance amplifier. Approximately the same open-loop
gains are obtained at each of the I settings if corre-
Q
sponding loads of 10kΩ, 100kΩ, and 1MΩ are used.
The lowest I setting that results in sufficient bandwidth
Q
and slew rate should be selected for each specific
application.
The maximum output source current is higher than the
maximum sink current, and is independent of I .
Q
The I pin of the single and triple amplifiers controls
Q
the quiescent current as follows:
Like most amplifiers, there are output loads for which
the amplifier stability is not guaranteed. In particular,
avoid capacitive loads greater than 100pF; and while
on the 1mA I setting, avoid loads less than 5kΩ. Since
I
I
= 10µA
= 100µA
I pin to ꢀ+
Q
I pin between ꢀ- + 0.ꢁꢀ and ꢀ+ - 0.ꢁꢀ
Q
Q
Q
the output stage is a transconductance output, very
large (>10µF) capacitive loads will create a dominant
pole and the output will be stable, even with loads that
are less than 5kΩ.
Q
I
Q
= 1mA
I pin to ꢀ-
Q
Extended Common-Mode Voltage Range
(ICL7612/ICL7616)
Input Offset Nulling
The input offset can be nulled by connecting a 25kΩ
pot between the OFFSET terminals with the wiper con-
nected to ꢀ+. At quiescent currents of 1mA and 100µA,
A common-mode voltage range that includes both ꢀ+
and ꢀ- is often desirable, especially in single-supply
operation. The ICL7612/ICL7616 extended common-
mode range op amps are designed specifically to meet
this need. The ICL7612 input common-mode voltage
range (CMꢀR) extends beyond both power-supply rails
the nulling range provided is adequate for all ꢀ
OS
selections. However, with higher values of ꢀ , and an
OS
I
Q
of 10µA, nulling may not be possible.
when operated with at least 3ꢀ total supply and an I
Q
Frequency Compensation
of 10µA or 100µA. The ICL7616 CMꢀR includes the
negative supply voltage (or ground when operated with
All of the ICL7611 and ICL7621 series except the
ICL7614 are internally compensated for unity-gain
operation. The ICL7614 is externally compensated by a
capacitor connected between COMP and OUT pins,
with 39pF being greater than unity. The compensation
capacitor value may be reduced to increase the band-
width and slew rate. The ICL7132 is not compensated
and does not have frequency compensation pins. Use
only at gains 20 at I of 1mA; at gains > 10 at I of
a single supply) at an I or 10µA or 100µA.
Q
PC Board Layout
Careful PC board layout techniques must be used to
take full advantage of the very low bias current of the
ICL7611 family. The inputs should be encircled with a
low-impedance trace, or guard, that is at the same
potential as the inputs. In an inverting amplifier, this is
normally ground; in a unity-gain buffer connect the
guard to the output. A convenient way of guarding the
ꢁ-pin TO-99 version of the ICL7611 is to use a 10-pin
circle, with the two extra pads on either side of the
input pins to provide space for a guard ring (see Figure
ꢁ). Assembled boards should be carefully cleaned,
and if a high humidity environment is expected, confor-
mally coated.
Q
Q
Q
100µA; at gain > 5 at I of 10µA.
Output Loading Considerations
Approximately 70% of the amplifier’s quiescent current
flows in the output stage. The output swing can
approach the supply rails for output loads of 1MΩ,
100kΩ, and 10kΩ, using the output stage in a highly
linear Class A mode. Crossover distortion is avoided
______________________________________________________________________________________ 21
Single/Dual/Triple/Quad
Operational Amplifiers
Single-Supply Operation
The ICL7611 family will operate from a single 2ꢀ to 16ꢀ
power supply. The common-mode voltage range of the
standard amplifier types when operated from a single
Low-Voltage Operation
= ± 1.0ꢀ is only guaranteed at I
Operation at ꢀ
=
Q
SUPP
10µA. Output swings to within a few millivolts of the
supply rails are achievable for R (> or =) 1MΩ.
L
supply is 1.0ꢀ to (ꢀ+ - 0.6ꢀ) at 10µA I . At 100µA I ,
Guaranteed input CMꢀR is ± 0.6ꢀ minimum and typical-
Q
Q
the CMꢀR is 1.0ꢀ to (ꢀ+ - 0.ꢁꢀ), and at 1mA I , the
ly +0.9ꢀ to -0.7ꢀ at ꢀ
= ± 1.0ꢀ. For applications
SUPP
Q
CMꢀR is 1.3ꢀ to (ꢀ+ - 1.3ꢀ). If this CMꢀR range is
insufficient, use the ICL7612, whose CMꢀR includes
both ground and ꢀ+, or the ICL7616, whose CMꢀR
includes ground.
where greater common-mode range is desirable, see
the description of ICL7612 and ICL7616 above.
Applications Information
Note that in no case is IQ shown. The value of IQ must
be chosen by the designer with regard to frequency
response and power dissipation.
A convenient way to generate a psuedo-ground at ꢀ+/2
is to use one op amp of a quad to buffer a ꢀ+/2 voltage
from a high-impedance resistive divider.
1–ICL764X
R
R
R3
-
+
+
-
A1
R2
V
+
IN
R1
ICL7612
-
V
OUT
A3
V
OUT
+
V
IN
+18V
R2
R ≥ 10kΩ
L
R3
25kΩ
-
A2
+
-
R3 2R2
GAIN =
+1
R (R1 )
Figure 2. Simple Follower—By using the ICL7612 in these
applications, the circuits will follow rail-to-rail inputs
Figure 1. Instrumentation Amplifier—Adjust R3 to improve
CMRR. The offset of all three amplifiers is nulled by the offset
adjustment of A2.
22 ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
IH5040
+5
+5
1µF
-
+
V
IN
-
V
OUT
+
TO CMOS OR
LPTTL LOGIC
100kΩ
-
V
OUT
ICL7611
+
1MΩ
Figure 3. Level Detector—By using the ICL7612 in these appli-
cations, the circuits will follow rail-to-rail inputs.
Figure 4. Photocurrent Integrator—Low-leakage currents allow
integration times up to several hours.
1MΩ
V
ON
1MΩ
-
0.05µF
10kΩ
2.2MΩ
20kΩ
20kΩ
-
+
V
IN
1⁄2
+
TO
1⁄2
ICL7621
ICL7621
SUCCEEDING
INPUT
10µF
+
-
STAGE
1MΩ
1.8kΩ = 5%
SCALE
ADJUST
V-
V+
1
⁄
2
V
OL
ICL7621
DUTY CYCLE
-
COMMON
+
1
⁄
2
ICL7621
880kΩ
Figure 6. Averaging AC to DC Converter—Recommended for
Maxim’s ICL7106/ICL7107/ICL7109 A/D Converters.
Figure 5. Precise Triangle/Square Wave Generator—The fre-
quency and duty cycle are virtually independent of power sup-
ply.
BOTTOM VIEW
+15V
V+
I SET
O
+15V
100Ω
10kΩ
NOTE 1
7
8
OUTPUT
V+
V-
NOTE 2
I
O
6
5
1
2
COMP
OUT
10kΩ
4
3
NOTES:
1. ICL7611, 7612, 7616, 7631, 7632
2. ICL7611, 7612, 7616, 7621, 7622, 7631, 7641, 7642
V
GUARD
Figure ꢁ. Input Guard for TO-99
Figure 7. Burn-In and Life Test Circuit
______________________________________________________________________________________ 23
Single/Dual/Triple/Quad
Operational Amplifiers
S/H
CONTROL
INPUT
C
INT
1µF
R
IN
100kΩ
S2
1
R
⁄
1
2
V
IN
-
S1
ICL7622
A2
V
OUT
1
⁄
2
V
OUT
+
ICL7622
A1
IH5141
C
V
HOLD
IN
Figure 9. Low Droop Rate Sample and Hold—S2 improves
accuracy and acquisition time by including the voltage drop
across S1 inside the feedback loop. R1 closes the feedback
Figure 10. Long-Time Constant Integrator—With R = 1011Ω,
IN
the time constant of this integrator is 100,000s. Since the input
voltage is converted to a current by R , the input voltage can
IN
1–ICL764X
loop of A1 during the hold phase. The droop rate is [I
)
far exceed the power-supply range.
BIAS(AZ
+ I
) + I ]/C
LEAK(S1 LEAK(S2)
.
HOLD
C
FB
OUTPUT
-
10MΩ
10MΩ
+
11
R
FB
- 10 Ω
ICL7611
V
IN
540pF
-
+
V
O
= 100mV/pA
CURRENT
SOURCE
5MΩ
270pF
270pF
Figure 11. Pico Ammeter—The response time of this curcuit is
x C , where C is the stray capacitance between the
output and the inverting terminal of the amplifier.
Figure 12. 60Hz Twin “T“ Notch Filter—The low 1pA bias cur-
rent of the ICL7611 allows use of small 540pF and 270pF
capacitors, even with a notch frequency of 60Hz. The 60Hz
rejection is approximately 40dB.
R
FB
FB
FB
Typical Operating Circuit
C
INT
R
IN
-
V
IN
V
OUT
+
LONG TIME CONSTANT INTEGRATOR
(Detailed Circuit Diagram — Figure 10)
24 ______________________________________________________________________________________
Single/Dual/Triple/Quad
Operational Amplifiers
1–ICL764X
Chip Topographies
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the
package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the
package regardless of RoHS status.
PACKAGE TYPE
TO99
PACKAGE CODE
T99-8
DOCUMENT NO.
21-0022
8 PDIP
P8-1
21-0043
8 SO
S8-2
21-0041
8 CDIP
J16-3
21-0045
14 PDIP
14 CDIP
16 PDIP
16 SO
P14-3
21-0043
J14-3
21-0045
P16-1
21-0043
S16-1
21-0041
16 Wide SO
W16-2
21-0042
______________________________________________________________________________________ 25
Single/Dual/Triple/Quad
Operational Amplifiers
Revision History
REVISION
NUMBER
REVISION
DATE
PAGES
DESCRIPTION
CHANGED
2
4/0ꢁ
Removed all part numbers offered in die form from the Ordering Information
Corrected letter grades in EC table headings
2, 11
3
5/10
13–17
1–ICL764X
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
26 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2010 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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