ICL7612 Maxim Integrated Products, ICL7612 Datasheet

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ICL7612

Manufacturer Part Number
ICL7612
Description
Manufacturer
Maxim Integrated Products
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 1; 5/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas 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
OFFSET
V+
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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ICL7612 Summary of contents

Page 1

... OFFSET 2 + *EXTERNAL COMPENSATION (ICL7614) ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas 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

... OS 0°C ≤ Input Bias Current I BIAS 0°C ≤ T Common-Mode Voltage Range V CMR (Except ICL7612/ ICL7616) Extended Common- Mode Voltage Range V CMR (ICL7612 Only) Extended Common- Mode Voltage Range 10µA CMR Q (ICL7616 Only Output Voltage Swing V R OUT L +70°C 4 _______________________________________________________________________________________ 16-Pin Plastic (derate 3mW/° ...

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

... Q Common-Mode Voltage Range 100µA (Note 3) CMR Q (Except ICL7612/ ICL7616 1mA (Note 10µA Q Extended Common-Mode I = 100µ CMR Voltage Range (ICL7612 Only 1mA 10µA Q Extended Common-Mode 100µA CMR Q Voltage Range (ICL7616 Only 1mA Q 6 _______________________________________________________________________________________ ICL76XXA MIN TYP MAX MIN 1 ...

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

... P Rise Time 50mV (Note 4) L 100pF Overshoot Factor 50mV, (Note 100pF Note 3: ICL7611, ICL7612, ICL7616 only. Note 4: ICL7814; 39pF from pin 6 to pin 8. 10 ______________________________________________________________________________________ ICL76XXA MIN TYP MAX MIN I = 10µA Q (Note 3), 0.016 R = 1MΩ 0.16 100µ 100kΩ ...

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

Single/Dual/Triple/Quad Operational Amplifiers ABSOLUTE MAXIMUM RATINGS ( ( Total Supply Voltage (V+ to V-) ...........................................+18V Input ...

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

... OS , and an mode range op amps are designed specifically to meet OS this need. The ICL7612 input common-mode voltage range (CMVR) extends beyond both power-supply rails when operated with at least 3V total supply and 10µA or 100µA. The ICL7616 CMVR includes the negative supply voltage (or ground when operated with ...

Page 22

... OUT + R3 Figure 2. Simple Follower—By using the ICL7612 in these applications, the circuits will follow rail-to-rail inputs Low-Voltage Operation = ±1.0V is only guaranteed at I SUPP (> 1MΩ ±1.0V. For applications SUPP Applications Information + ...

Page 23

... 100kΩ 1MΩ Figure 3. Level Detector—By using the ICL7612 in these appli- cations, the circuits will follow rail-to-rail inputs. 1MΩ ⁄ ICL7621 ICL7621 1MΩ DUTY CYCLE 880kΩ Figure 5. Precise Triangle/Square Wave Generator—The fre- quency and duty cycle are virtually independent of power sup- ply ...

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

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 25 © 2006 Maxim Integrated Products ...

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