ICL7621 Maxim, ICL7621 Datasheet

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ICL7621

Manufacturer Part Number
ICL7621
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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ICL7621 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

... Ordering Information (Single/Dual) PART PIN-PACKAGE ICL7621BCSA 8 Plastic Dip ICL7621BCTV 8 Slim SO ICL7621BMTV TO-99 Metal Can ICL7621DCPA TO-99 Metal Can ICL7621DCSA 8 Plastic Dip ICL7621DCTV 8 Slim SO ICL7622ACPD TO-99 Metal Can ICL7622ACSD 8 Slim SO ICL7622ACJD TO-99 Metal Can ICL7622AMJD 8 Plastic Dip ICL7622BCPD 8 Slim SO ICL7622BCSA ...

Page 3

... OFFSET 4 V- *PIN 7 CONNECTED TO CASE 8 LEAD (I SET OFFSET + OUT OFFSET *EXTERNAL COMPENSATION (ICL7614) _______________________________________________________________________________________ Single/Dual/Triple/Quad Operational Amplifiers DUALS—ICL7621/22 TO— OUT OUT - - +IN + OFFSETA 8 LEAD OFFSETB ...

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

PART TEMP RANGE ICL763XBCPE 0°C to +70°C ICL763XBCSE 0°C to +70°C ICL763XCCPE 0°C to +70°C ICL763XCCSE 0°C to +70°C 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 ...

Page 12

... 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 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 i ...

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

ELECTRICAL CHARACTERISTICS (Triple/Quad) (continued ±5.0V +25°C, unless otherwise noted.) SUPP A PARAMETER SYMBOL CONDITIONS Rise Time 50mV (Note 10 100pF Overshoot Factor 50mV, (Note 10) ...

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

... I of 10µA, nulling may not be possible. Q Frequency Compensation 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 ...

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

... NOTE 1 NOTE COMP OUT Figure 8. Input Guard for TO-99 IH5040 1µ ICL7611 + 1MΩ 2.2MΩ 20kΩ TO SUCCEEDING 10µF 20kΩ INPUT + STAGE - 1.8kΩ ⁄ 2 SCALE ICL7621 ADJUST - + 1 ⁄ 2 ICL7621 V+ I SET OUTPUT GUARD V OUT ...

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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