ICL7650 Fast Delivery |IC PHOENIX CO.,LIMITED

ICL7650 ,Chopper-Stabilized Op AmpsApplicationsICL7650CTV 0°C to +70°C 8 TO-99Condition AmplifierICL7650C/D 0°C to +70°C DicePrecision ..
ICL7650BCPD ,Chopper-Stabilized Op AmpsFeaturesMaxim’s ICL7650/ICL7653 are chopper-stabilized ICL7650/53 are Improved Second Sources toam ..
ICL7650CPA ,Chopper-Stabilized Op AmpsFeaturesMaxim’s ICL7650/ICL7653 are chopper-stabilized ICL7650/53 are Improved Second Sources toam ..
ICL7650CPA ,Chopper-Stabilized Op AmpsFeaturesMaxim’s ICL7650/ICL7653 are chopper-stabilized ICL7650/53 are Improved Second Sources toam ..
ICL7650CPD ,Chopper-Stabilized Op AmpsICL7650/ICL7650B/ICL7653/ICL7653B19-0960; Rev 2; 1/00Chopper-Stabilized Op Amps
ICL7650CTV ,Chopper-Stabilized Op AmpsELECTRICAL CHARACTERISTICS—ICL7650B/ICL7653B (continued)(Circuit of Figure 1, V+ = +5V, V- = -5V, T ..
IDT72401L35SO , CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT
IDT72402L35D , CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT
IDT72402L45D , CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT
IDT72403L10D , CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT
IDT72403L10P , CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT
IDT72403L15P , CMOS PARALLEL FIFO 64 x 4-BIT AND 64 x 5-BIT

ICL7650
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.
Applications
Condition Amplifier
Precision Amplifier
Instrumentation Amplifier
Thermocouples
Thermistors
Strain Gauges
FeaturesICL7650/53 are Improved Second Sources to
ICL7650B/53BLower Supply Current: 2mALow Offset Voltage: 1µVNo Offset Voltage Trimming NeededHigh-Gain CMRR and PSRR: 120dB minLower Offset Drift with Time and TemperatureExtended Common-Mode Voltage RangeLow DC Input Bias Current: 10pAMonolithic, Low-Power CMOS Design
ICL7650/ICL7650B/ICL7653/ICL7653B
Chopper-Stabilized Op Amps
ICL7650
ICL7653
OUTPUT
INVERTING AMPLIFIER
WITH OPTIONAL CLAMP
INPUT
CLAMP
Typical Operating Circuit
19-0960; Rev 2; 1/00
Pin Configurations appear at end of data sheet.
Ordering Information
PART
ICL7650CSA
ICL7650CSD
ICL7650CPA0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGEPIN-PACKAGE
8 SO
14 SO
8 Plastic DIP
ICL7650CPD
ICL7650CTV
ICL7650C/D0°C to +70°C
0°C to +70°C
0°C to +70°C14 Plastic DIP
8 TO-99
Dice
ICL7650IJA
ICL7650IJD-20°C to +85°C
-20°C to +85°C8 CERDIP
14 CERDIP
ICL7650MTV
ICL7650MJD-55°C to +125°C
-55°C to +125°C8 CERDIP
14 CERDIP
ICL7650BCSA
ICL7650BCSD0°C to +70°C
0°C to +70°C8 SO
14 SO
ICL7650BCPA
ICL7650BCPD0°C to +70°C
0°C to +70°C8 Plastic DIP
14 Plastic DIP
ICL7650BCTV
ICL7650BC/D0°C to +70°C
0°C to +70°C8 TO-99
Dice
ICL7653CSA
ICL7653CPA
ICL7653CTV
0°C to +70°C8 SO
ICL7653BCSA
ICL7653BCPA
0°C to +70°C
0°C to +70°C8 Plastic DIP
8 TO-99
0°C to +70°C
ICL7653IJA
ICL7653MTV-55°C to +125°C
-20°C to +85°C8 CERDIP
8 CERDIP
0°C to +70°C8 SO
8 Plastic DIP
ICL7653BCTV0°C to +70°C8 TO-99
ICL7650/ICL7650B/ICL7653/ICL7653B
Chopper-Stabilized Op Amps
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—ICL7650B/ICL7653B
(Circuit of Figure 1, V+ = +5V, V- = -5V, TA= +25°C, unless otherwise noted.)
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.
Total Supply Voltage (V+ to V-)..............................................18V
Input Voltage........................................(V+ + 0.3V) to (V- - 0.3V)
Voltage on Oscillator Control Pins
(except EXT/CLOCK IN).............................................V+ to V-
Voltage on EXT/CLOCK IN..................(V+ + 0.3V) to (V+ - 6.0V)
Duration of Output Short Circuit....................................Indefinite
Current into Any Pin............................................................10mA
Current into Any Pin while Operating (Note 1)...................100µA
Continuous Total Power Dissipation (TA= +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C)...............471mW
8-Pin PDIP (derate 6.9mW/°C above +70°C)...............552mW
8-Pin CERDIP (derate 8.0mW/°C above +70°C).........640mW
8-Pin TO-99 (derate 6.7mW/°C above +70°C)............533mW
14-Pin SO (derate 8.3mW/°C above +70°C)...............667mW
14-Pin PDIP (derate 10.0mW/°C above +70°C)..........800mW
14-Pin CERDIP (derate 9.1mW/°C above +70°C).......727mW
Operating Temperature Ranges
ICL765_C__/ICL755_BC__...............................0°C to +70°C
ICL765_I__/ICL755_BI__................................-20°C to +85°C
ICL765_M__/ICL755_BM__..........................-55°C to +125°C
Storage Temperature Range.............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s).................................+300°C= 50pF, RL= 10kΩ
f = 10Hz= 100Ω, f = 0 to 10Hz
V+ to V- = ±3V to ±8V
CMVR = -5V to +1.6V= 100kΩ= 10kΩ= 10kΩ
Doubles every 10°
-20°C < TA< +85°C= +25°C
-55°C < TA< +85°C
-55°C < TA< +125°C= +25°C= +25°C
CONDITIONS0.2trRise Time
V/µs2.5SRSlew Rate
MHz2.0GBWUnity-Gain Bandwidth
pA/√Hz0.01InInput Noise Current
µVp-p2enp-pInput Noise Voltage120130PSRRPower-Supply Rejection Ratio120130CMRRCommon-Mode Rejection Ratio-5.0-5.2 to +2.01.6CMVRCommon-Mode Voltage Range
±4.95V±4.7±4.85VOUTOutput Voltage Swing (Note 3)
V/V1 ·1055 ·108AVOLLarge-Signal Voltage Gain1012RINInput Resistance0.5IOSInput Offset Current (Note 2)
100pA
IBIASInput Bias Current
±0.7±5
VOSInput Offset Voltage±10
µV/°C50ΔVOS
Average Temperature Coefficient
of Input Offset Voltage
UNITSMINTYPMAXSYMBOLPARAMETER
Note 1:Maxim recommends limiting the input current to 100µA to avoid latchup problems. A value of 1mA is typically safe; however,
this is not guaranteed.= +25°C
0°C < TA< +70°C
-20°C < TA< +85°C20Overshoot4.516V+ to V-Operating Supply Range
No loadmA2.03.5ISUPPSupply Current
ICL7650/ICL7650B/ICL7653/ICL7653B
Chopper-Stabilized Op Amps
ELECTRICAL CHARACTERISTICS—ICL7650/ICL7653
(Circuit of Figure 1, V+ = +5V, V- = -5V, TA= +25°C, unless otherwise noted.) (Note 5)
ELECTRICAL CHARACTERISTICS—ICL7650B/ICL7653B (continued)
(Circuit of Figure 1, V+ = +5V, V- = -5V, TA= +25°C, unless otherwise noted.)
Note 2:IOS= 2 ·IBIAS
Note 3:OUTPUT and CLAMP pins not connected.
Note 4:See Output Clampsection for details.
CONDITIONSUNITSMINTYPMAXSYMBOLPARAMETER
-4.0V < VOUT< +4.0VpA1Clamp Off Current (Note 4)
No loadnV/
√month100Offset Voltage vs. Time
0°C ≤TA≤+70°C
-20°C ≤TA≤+85°C
-55°C ≤TA≤+125°C
0°C ≤TA≤+70°C= 100kΩ= 10kΩ
-55°C ≤TA≤+125°C
ICL765_= +25°C
ICL765_
(Note 6)
CONDITIONS
-5.0-5.2 to +3.02.5
CMVRCommon-Mode Voltage Range
±4.95V±4.7±4.85VOUTOutput Voltage Swing (Note 3)
0.2 ·1081012RINInput Resistance
±10±50
±0.7±5.0
VOSInput Offset Voltage
±1.0±10
±1.0±10
±1.0±10
UNITSMINTYPMAXSYMBOLPARAMETER
ICL765_
ICL765_B, 0°C ≤TA≤+70°C
µV/°C
ΔVOS
Average Temperature Coefficient
of Input Offset Voltage (Note 6)
ICL765_
ICL765_B
0°C ≤TA≤+70°C
-20°C ≤TA≤+85°C
-55°C ≤TA≤+125°C
0.251.5= +25°C410IBInput Bias Current20ICL765_B
ICL765_= 10kΩ, TA= +25°C
V/V
1 ·1085 ·108
AVOLLarge-Signal Voltage Gain0°C ≤TA≤+70°C0.5 ·108
-20°C ≤TA≤+85°C0.5 ·108
-20°C ≤TA≤+85°C-5.0-5.2 to +3.02.5
-55°C ≤TA≤+125°C-4.5-4.0 to +3.02.5
0°C ≤TA≤+70°C
-20°C ≤TA≤+85°C
-55°C ≤TA≤+85°C
+85°C ≤TA≤+125°C= 100kΩµA2570200Clamp On Current (Note 4)
Pins 12–14 open (DIP)Hz120200375fchInternal Chopping Frequency
MAXIMUM OUTPUT CURRENT
vs. SUPPLY VOLTAGE
ICL7650toc01
TOTAL SUPPLY VOLTAGE (V)
MAXIMUM OUTPUT CURRENT (mA)
SOURCE CURRENT
SINK CURRENT
CLOCK RIPPLE REFERRED TO INPUT
vs. TEMPERATURE
ICL7650toc02
TEMPERATURE (°C)
CLOCK RIPPLE (
Vp-p)
BROADBAND
NOISE
(AV = 1000)
0.1μF
1μF106121416
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
ICL7650toc03
TOTAL SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
Typical Operating Characteristics
(Circuit of Figure 1, V+ = +5V, V- = -5V, TA = +25°C, unless otherwise noted.)
ICL7650/ICL7650B/ICL7653/ICL7653B
Chopper-Stabilized Op Amps
ELECTRICAL CHARACTERISTICS—ICL7650/ICL7653 (continued)
(Circuit of Figure 1, V+ = +5V, V- = -5V, TA= +25°C, unless otherwise noted.) (Note 5)= 50pF, RL= 10kΩ
f = 10Hz= 100Ω, f = 0 to 10Hz
V+ to V- = ±3V to ±8V
CMVR = -5V to +2.5V
CONDITIONS0.2trRise Time
V/µs2.5SRSlew Rate
MHz2.0GBWUnity-Gain Bandwidth
pA/√Hz0.01InInput Noise Current
µVp-p2enp-pInput Noise Voltage120130PSRRPower-Supply Rejection Ratio120130CMRRCommon-Mode Rejection RatioOvershoot4.516V+ to V-Operating Supply Range
No loadmA1.22.0ISUPPSupply Current
UNITSMINTYPMAXSYMBOLPARAMETER
Pins 13 and 14 open (DIP)Hz120200375fCLKOUTInternal Chopping Frequency= 100kΩµA2570200Clamp On Current (Note 4)
-4.0 ≤VOUT≤+4.0VpA1Clamp Off Current (Note 4)
nV/
√month100Offset Voltage vs. Time
Note 3:OUTPUT and CLAMP pins not connected.
Note 4:See Output Clampsection for details.
Note 5:All pins are designed to withstand electrostatic discharge (ESD) levels in excess of 2000V (MIL STD 8838 Method 3015.1
test circuit).
Note 6:Sample tested. Limits are not used to calculate outgoing quality level.
ICL7650/ICL7650B/ICL7653/ICL7653B
Chopper-Stabilized Op Amps
SUPPLY CURRENT vs.
AMBIENT TEMPERATURE
ICL7650toc04
AMBIENT TEMPERATURE (°C)
SUPPLY CURRENT (mA)3145678
COMMON-MODE INPUT VOLTAGE RANGE
vs. SUPPLY VOLTAGE
ICL7650toc05
SUPPLY VOLTAGE (V)
COMMON-MODE INPUT VOLTAGE RANGE (V)
POSITIVE LIMIT
NEGATIVE LIMIT
-101001k10k
INPUT OFFSET VOLTAGE
vs. CHOPPING FREQUENCY
ICL7650toc06
CHOPPING FREQUENCY (CLOCK OUT) (Hz)
OFFSET VOLTAGE (106121416
INPUT OFFSET VOLTAGE CHANGE
vs. SUPPLY VOLTAGE
ICL7650toc07
TOTAL SUPPLY VOLTAGE (V)
INPUT OFFSET VOLTAGE CHANGE (1001k10k
10Hzp-p NOISE VOLTAGE
vs. CHOPPING FREQUENCY
ICL7650toc08
CHOPPING FREQUENCY (CLOCK-OUT) (Hz)
DC TO 10Hz P-P NOISE VOLTAGE (
0.011100.11001k10k100k
OPEN-LOOP GAIN AND PHASE SHIFT
vs. FREQUENCY
ICL7650toac09
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)110
PHASE SHIFT (DEGREES)
RL = 10kΩ
CEXT = 0.1μF
0.011100.11001k10k100k
OPEN-LOOP GAIN AND PHASE SHIFT
vs. FREQUENCY
ICL7650toac10
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)110
PHASE SHIFT (DEGREES)
RL = 10kΩ
CEXT = 1.0μF
VOLTAGE FOLLOWER LARGE-SIGNAL
PULSE RESPONSE
ICL7650toc11
TIME (μs)
OUTPUT VOLTAGE (V)CLOCK OUT HIGH
CLOCK OUT LOW
VOLTAGE FOLLOWER LARGE-SIGNAL
PULSE RESPONSE
ICL7650toc12
TIME (μs)
OUTPUT VOLTAGE (V)
CLOCK OUT HIGH
CLOCK OUT LOW
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V+ = +5V, V- = -5V, TA = +25°C, unless otherwise noted.)
ICL7650/ICL7650B/ICL7653/ICL7653B
Chopper-Stabilized Op Amps
Detailed Description
Figure 2 shows the major elements of the ICL7650/
ICL7653. Two amplifiers are illustrated, the main amplifi-
er and the nulling amplifier, both of which have offset-
null capability. The main amplifier is connected full time
from the input to the output. The nulling amplifier, under
control of the chopper-frequency oscillator and clock
circuit, alternately nulls itself and the main amplifier. This
nulling arrangement, which is independent of the output
level, operates over the full power-supply and common-
mode ranges. The ICL7650/ICL7653 exhibit an excep-
tionally high CMRR, PSRR, and AVOL. Their nulling
connections, which are MOSFET back gates, have inher-
ently high impedance. Two external capacitors provide
storage for the nulling potentials and the necessary
nulling-loop time constants.
The ICL7650/ICL7653 minimize chopper-frequency
charge injection at the input terminals by carefully bal-
ancing the input switches. Feed-forward injection into
the compensation capacitor, the main cause of output
spikes in this type of circuit, is also minimized.
Output Clamp (ICL7650 Only)
The output clamp reduces the overload recovery time
inherent with chopper-stabilized amplifiers. When tied to
the summing junction or inverting input pin, a current path
between this point and the output occurs just before the
output device saturates. This prevents uncontrolled input
differential and the consequent charge build-up on the
correction-storage capacitors, while causing only a slight
reduction in the output swing.
Intermodulation
Intermodulation effects can cause problems in older
chopper-stabilized amplifier modules. Intermodulation
occurs since the amplifier has a finite AC gain, and
therefore will have a small AC signal at the input. In a
chopper-stabilized module, this small AC signal is
detected, chopped, and fed into the offset-correction
circuit. This results in spurious outputs at the sum and
difference frequencies of the chopping and input signal
frequencies. Other intermodulation effects in chopper-
stabilized modules include gain and phase anomalies
near the chopping frequency.
These effects are substantially reduced in the
ICL7650/ICL7653, which add to the nulling circuit a
dynamic current that compensates for the AC signal on
the inputs. Unlike modules, the ICL7650/ICL7653 can
precisely compensate for the finite AC gain, since both
the AC gain rolloff and the intermodulation compensation
current are controlled by internal matched capacitors.
ICL7650
ICL7653
OUTPUT
0.1μF 0.1μF
1M
1M
ICL7650
INTERNAL
BIAS
EXT CLK IN
CLK OUT
NULL
CEXTACEXTBCAP RETURN
OUTPUT
+IN
-INCLAMP
MAIN
INT/EXT
A = CLK OUT
EXT CLK IN
OSC
Figure 1. ICL7650 Test Circuit
Figure 2. Block Diagram

Partno	Mfg	Dc	Qty	Available	Descript
ICL7650	TI,TI	N/a	2000	avai	Chopper-Stabilized Op Amps