ICL7631 Maxim, ICL7631 Datasheet

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ICL7631

Manufacturer Part Number
ICL7631
Description
The ICL761X–ICL764X family of monolithic CMOS op amps combine ultra-low input current with low-power operation over a wide supply voltage range
Manufacturer
Maxim
Datasheet

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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
±1V to ±8V power supplies, or from single supplies
from 2V to 16V. The CMOS outputs swing to within milli-
volts of the supply voltages.
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 10
mance with very high source impedances in such
applications as pH meters and photodiode amplifiers.
19-0942; Rev 3; 5/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Battery-Powered Instruments
Low-Leakage Amplifiers
Long-Time Constant Integrators
Low-Frequency Active Filters
Hearing Aids and Microphone Amplifiers
Low Droop Rate Sample/Hold Amplifiers
Picoammeters
TOP VIEW
OFFSET
+IN
________________________________________________________________ Maxim Integrated Products
V-
OFFSET
*EXTERNAL COMPENSATION (ICL7614)
1
2
3
4
-IN
+IN
SINGLES—ICL7611/12/14/16
*PIN 7 CONNECTED TO CASE
General Description
2
1
3
12
8-PIN DIP
Pin Configuration
TO—99
(I
O
Ω ensure optimum perfor-
SET)*
V-
8
4
7
5
6
V+
OFFSET
Applications
OUTPUT
8
7
6
5
(I
V+
OUT
OFFSET
O
SET)*
Single/Dual/Triple/Quad
o Pin-for-Pin Second Source
o 1pA Typical Bias Current—4nA (max) at +125°C
o ±1V to ±8V Wide Supply Voltage Range
o Industry-Standard Pinouts
o Programmable Quiescent Currents of 10µA,
o Monolithic, Low-Power CMOS Design
Typical Operating Circuit appears at end of data sheet.
Operational Amplifiers
ICL76XX
100µA, and 1000µA
A = 2mV
B = 5mV
C = 10mV
D = 15mV
E = 20mV
SELECTION
V
M
OS
Ordering Information
C = 0°C to
70°C
E = -40°C to
+85°C
M = -55°C to
+125°C
RANGE
TEMP
N
Features
TV= 8-Pin TO-
99
PA = 8-Pin
Plastic Dip
SA = 8-Pin
Small SO
JD = 14-Pin
CERDIP
PD = 14-Pin
Plastic Dip
SD = 14-Pin
Small SO
JE = 16-Pin
CERDIP
PE = 16-Pin
Plastic Dip
SE = 16-Pin
Small SO
WE – 16-Pin
Wide SO
PKG CODE
OP
1

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ICL7631 Summary of contents

Page 1

... V- 4 *EXTERNAL COMPENSATION (ICL7614) ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Single/Dual/Triple/Quad Operational Amplifiers o Pin-for-Pin Second Source o 1pA Typical Bias Current—4nA (max) at +125°C o ±1V to ±8V Wide Supply Voltage Range o Industry-Standard Pinouts o Programmable Quiescent Currents of 10µ ...

Page 2

Single/Dual/Triple/Quad Operational Amplifiers Ordering Information (continued) Compensated Externally X Compensated Extended X X CMVR Offset null capability Programmable Fixed I -10µA Q Fixed ...

Page 3

TOP VIEW SINGLES—ICL7611/12/14/16 TO—99 (I SET OFFSET - OUTPUT 3 5 +IN OFFSET 4 V- *PIN 7 CONNECTED TO CASE 8 LEAD (I SET OFFSET +IN 3 ...

Page 4

... 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 ...

Page 5

ELECTRICAL CHARACTERISTICS (Single/Dual) (continued ±1.0V 10µ +25°C, unless otherwise noted.) SUPP Q A PARAMETER SYMBOL Large-Signal Voltage A VOL Gain V O 0°C ≤ T Unity-Gain GBW Bandwidth Input Resistance ...

Page 6

Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Single/Dual) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS T = +25° 0°C ≤ T +70°C E: -40°C ≤ T Input Bias Current I BIAS +85°C ...

Page 7

ELECTRICAL CHARACTERISTICS (Single/Dual) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS 10µ 1MΩ (Note Output Voltage 100µA, V OUT Swing ...

Page 8

Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Single/Dual) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS ±4. 1MΩ 10µ ±4.0V ...

Page 9

ELECTRICAL CHARACTERISTICS (Single/Dual) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS I = 10µA (Note 3) Q Unity-Gain GBW I = 100µA Q Bandwidth I = 1mA (Note 3) Q Input Resistance R ...

Page 10

Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Single/Dual) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS A VOL Slew Rate SR 100pF, (Note P ...

Page 11

... ICL763XECPE 0°C to +70°C ICL763XECSE 0°C to +70°C ICL763XBCJE 0°C to +70°C ICL763XCCJE 0°C to +70°C ICL763XECJE 0°C to +70°C ICL763XBMJE -55°C to +125°C ICL763XCMJE -55°C to +125°C Note: X above is replaced TOP VIEW ICL7631/32 16 LEAD I SET ...

Page 12

... Note 6: The outputs may be shorted to ground or to either supply for V SUPP ≤ 10V. Care must be taken to insure that the dissipation rating is not exceeded. ELECTRICAL CHARACTERISTICS (Triple/Quad ±1.0V 10µ +25°C, unless otherwise noted.) (Specifications apply to ICL7631/7632/7642 only.) SUPP Q A PARAMETER SYMBOL ...

Page 13

... ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued ±1.0V 10µ +25°C, unless otherwise noted.) (Specifications apply to ICL7631/7632/7642 only.) SUPP Q A PARAMETER SYMBOL Power-Supply PSRR Rejection Ratio Input-Referred Noise Voltage Input-Referred Noise Current Supply Current (Per I No signal, no load SUPP ...

Page 14

Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS I = 10µA (Note 7) Q Common-Mode 100µA (Note 9) CMR Q Voltage Range I = ...

Page 15

ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS ±4.0V 1MΩ 10µA (Note ±4.0V, Large-Signal ...

Page 16

Single/Dual/Triple/Quad Operational Amplifiers ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS I = 10µA (Note 7) Q Unity-Gain 100µA (Note Bandwidth I = 1mA ...

Page 17

... IN Overshoot Factor 50mV, (Note 10 100pF Note 7: Does not apply to ICL7641. Note 8: Does not apply to ICL7642. Note 9: ICL7631/ICL7632 only. Note 10: Does not apply to ICL7632 +25°C, unless otherwise noted.) A ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers ICL76XXB MIN TYP MAX MIN I = 10µA ...

Page 18

Single/Dual/Triple/Quad Operational Amplifiers (T = +25°C, unless otherwise noted ______________________________________________________________________________________ Typical Operating Characteristics (continued) ...

Page 19

A ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers Typical Operating Characteristics (continued) 19 ...

Page 20

Single/Dual/Triple/Quad Operational Amplifiers (T = +25°C, unless otherwise noted ______________________________________________________________________________________ Typical Operating Characteristics (continued) ...

Page 21

... Class A mode. Crossover distortion is avoided ______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers 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 ) of 10µA, ...

Page 22

Single/Dual/Triple/Quad Operational Amplifiers Single-Supply Operation The ICL7611 family will operate from a single 2V to 16V power supply. The common-mode voltage range of the standard amplifier types when operated from a single supply is 1.0V to (V+ - 0.6V) at ...

Page 23

... Figure 4. Photocurrent Integrator—Low-leakage currents allow integration times up to several hours. 0.05µF 10kΩ ⁄ 2 COMMON Figure 6. Averaging Converter—Recommended for Maxim’s ICL7106/ICL7107/ICL7109 A/D Converters. BOTTOM VIEW 100Ω NOTE 1 NOTE COMP OUT Figure 8. Input Guard for TO-99 IH5040 1µ ...

Page 24

Single/Dual/Triple/Quad Operational Amplifiers S/H CONTROL INPUT 100kΩ ⁄ 2 ICL7622 A1 IH5141 V IN Figure 9. Low Droop Rate Sample and Hold—S2 improves accuracy and acquisition time by including the voltage drop across S1 inside ...

Page 25

... For the latest package outline information and land patterns 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. ...

Page 26

... Corrected letter grades in EC table headings 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 © ...

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