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PDF ICL7653B Data sheet ( Hoja de datos )

Número de pieza ICL7653B
Descripción (ICL7650x / ICL7653x) Chopper-Stabilized Op Amps
Fabricantes Maxim Integrated Products 
Logotipo Maxim Integrated Products Logotipo



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19-0960; Rev 2; 1/00
Chopper-Stabilized Op Amps
General Description
Maxim’s ICL7650/ICL7653 are chopper-stabilized
amplifiers, ideal for low-level signal processing applica-
tions. Featuring high performance and versatility, these
devices combine low input offset voltage, low input bias
current, wide bandwidth, and exceptionally low drift
over time and temperature. Low offset is achieved
through a nulling scheme that provides continuous
error correction. A nulling amplifier alternately nulls
itself and the main amplifier. The result is an input offset
voltage that is held to a minimum over the entire operat-
ing temperature range.
The ICL7650B/ICL7653B are exact replacements for
Intersil’s ICL7650B/ICL7653B. These devices have a
10µV max offset voltage, a 0.1µV/°C max input offset
voltage temperature coefficient, and a 20pA max bias
current—all specified over the commercial temperature
range.
A 14-pin version is available that can be used with
either an internal or external clock. The 14-pin version
has an output voltage clamp circuit to minimize over-
load recovery time.
Condition Amplifier
Precision Amplifier
Instrumentation Amplifier
Thermocouples
Thermistors
Strain Gauges
Applications
Typical Operating Circuit
INPUT
CLAMP
ICL7650
ICL7653
R
C
OUTPUT
C
INVERTING AMPLIFIER
WITH OPTIONAL CLAMP
Features
o ICL7650/53 are Improved Second Sources to
ICL7650B/53B
o Lower Supply Current: 2mA
o Low Offset Voltage: 1µV
o No Offset Voltage Trimming Needed
o High-Gain CMRR and PSRR: 120dB min
o Lower Offset Drift with Time and Temperature
o Extended Common-Mode Voltage Range
o Low DC Input Bias Current: 10pA
o Monolithic, Low-Power CMOS Design
PART
ICL7650CSA
ICL7650CSD
ICL7650CPA
ICL7650CPD
ICL7650CTV
ICL7650C/D
ICL7650IJA
ICL7650IJD
ICL7650MTV
ICL7650MJD
ICL7650BCSA
ICL7650BCSD
ICL7650BCPA
ICL7650BCPD
ICL7650BCTV
ICL7650BC/D
ICL7653CSA
ICL7653CPA
ICL7653CTV
ICL7653IJA
ICL7653MTV
ICL7653BCSA
ICL7653BCPA
ICL7653BCTV
Ordering Information
TEMP. RANGE
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
-20°C to +85°C
-20°C to +85°C
-55°C to +125°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
0°C to +70°C
0°C to +70°C
0°C to +70°C
-20°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
8 SO
14 SO
8 Plastic DIP
14 Plastic DIP
8 TO-99
Dice
8 CERDIP
14 CERDIP
8 CERDIP
14 CERDIP
8 SO
14 SO
8 Plastic DIP
14 Plastic DIP
8 TO-99
Dice
8 SO
8 Plastic DIP
8 TO-99
8 CERDIP
8 CERDIP
8 SO
8 Plastic DIP
8 TO-99
Pin Configurations appear at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

1 page




ICL7653B pdf
Chopper-Stabilized Op Amps
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V+ = +5V, V- = -5V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs.
AMBIENT TEMPERATURE
3
2
1
0
-50
-25 0 25 50 75 100
AMBIENT TEMPERATURE (°C)
125
INPUT OFFSET VOLTAGE CHANGE
vs. SUPPLY VOLTAGE
-3
-2
-1
0
1
2
3
4 6 8 10 12 14 16
TOTAL SUPPLY VOLTAGE (V)
OPEN-LOOP GAIN AND PHASE SHIFT
vs. FREQUENCY
160
ICL7650toac10
140
120
100
80
60
40 RL = 10k
CEXT = 1.0µF
20
0.01 0.1 1 10 100 1k
FREQUENCY (Hz)
50
70
90
110
130
10k 100k
COMMON-MODE INPUT VOLTAGE RANGE
vs. SUPPLY VOLTAGE
8
7
6
NEGATIVE LIMIT
5
4
3
POSITIVE LIMIT
2
1
0
012345678
SUPPLY VOLTAGE (V)
10Hzp-p NOISE VOLTAGE
vs. CHOPPING FREQUENCY
5
4
3
2
1
0
10 100 1k 10k
CHOPPING FREQUENCY (CLOCK-OUT) (Hz)
VOLTAGE FOLLOWER LARGE-SIGNAL
PULSE RESPONSE
3
2
CLOCK OUT LOW
1
0
-1 CLOCK OUT HIGH
-2
-3
-1.0 -0.5 0 0.5 1.0 1.5 2.0 2.5 3.0
TIME (µs)
INPUT OFFSET VOLTAGE
vs. CHOPPING FREQUENCY
-10
-8
-6
-4
-2
0
10 100 1k 10k
CHOPPING FREQUENCY (CLOCK OUT) (Hz)
OPEN-LOOP GAIN AND PHASE SHIFT
vs. FREQUENCY
160
ICL7650toac09
140
120
100
80
60
40 RL = 10k
CEXT = 0.1µF
20
0.01 0.1 1 10 100 1k
FREQUENCY (Hz)
50
70
90
110
130
10k 100k
VOLTAGE FOLLOWER LARGE-SIGNAL
PULSE RESPONSE
3
2
1
CLOCK OUT LOW
0
-1
-2 CLOCK OUT HIGH
-3
-1.0 -0.5 0
0.5 1.0 1.5 2.0 2.5 3.0
TIME (µs)
_______________________________________________________________________________________ 5

5 Page





ICL7653B arduino
Chopper-Stabilized Op Amps
TOP VIEW
Pin Configurations
CEXTB 1
CEXTA 2
N.C. (GUARD) 3
-INPUT 4
+INPUT 5
N.C. (GUARD) 6
V- 7
MAX7650
14 INT/EXT
13 EXT/CLK IN
12 INT/CLK OUT
11 V+
10 OUTPUT
9 CLAMP
8 CRETN
SO/DIP/CERDIP
CEXTA 1
-INPUT 2
+INPUT 3
V- 4
ICL7650
8 CEXTB
7 V+
6 OUTPUT
5 CLAMP
SO/DIP/CERDIP
N.C. = NO INTERNAL CONNECTION
CEXTA
1
CEXTB
8
V+
7
-INPUT 2
ICL7650
6 OUTPUT
3
+INPUT
4
V-
TO-99
5
CLAMP
CEXTA 1
-INPUT 2
+INPUT 3
V- 4
ICL7653
8 CEXTB
7 V+
6 OUTPUT
5 CRETN
SO/DIP/CERDIP
CEXTA
1
CEXTB
8
V+
7
-INPUT 2
ICL7653
6 OUTPUT
3
+INPUT
4
V-
TO-99
5
CRETN
______________________________________________________________________________________ 11

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