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MAX420CPA-MAX422CPA-MAX422CPA+-MAX423CPD-MAX423EPD Fast Delivery,Good Price
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MAX420CPAMAXIM ?N/a53avai【15 Volt Chopper Stabilized Operational Amplifier
MAX420CPAMAXIMN/a1500avai【15 Volt Chopper Stabilized Operational Amplifier
MAX420CPAMAXN/a19avai【15 Volt Chopper Stabilized Operational Amplifier
MAX422CPAMAXIMN/a428avai【15 Volt Chopper Stabilized Operational Amplifier
MAX422CPA+ |MAX422CPAMAXIMN/a500avai【15 Volt Chopper Stabilized Operational Amplifier
MAX423CPDMAXN/a38avai【15 Volt Chopper Stabilized Operational Amplifier
MAX423EPDMAXIMN/a246avai【15 Volt Chopper Stabilized Operational Amplifier


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MAX420CPA-MAX422CPA-MAX422CPA+-MAX423CPD-MAX423EPD
【15 Volt Chopper Stabilized Operational Amplifier
1133903 Nev 1-2Fu
2hlALii]Di'CfLAM]
:15 Volt Chopper Stabilized
General Descriptlon
The MAX420, 421, 422, and 423 are a series of i15V
CMOS chopper-stabilized amplifiers, designed for high
accuracy amplification, signal conditioning and instru-
mentation applications. These devices offer input offset
and drift specification superior to previous "precision"
bipolar amplifiers and monolithic choppers. The maxi-
mum offset is 5.0uV while the guaranteed drift limit is
0.050V/°C.
The combination of i15 volt operation, low power, and
standard op-amp pin configuration allowsthese devices
to virtually "plug-in" replace conventional lower-per-
formance amplifiers. The only additional components
required are two external capacitors. A wide input
voltage range specification, that includes the negative
supply, allows forthe amplification ofsignals including
ground in single-supply applications.
The MAX420 (8 pin) and MAX421 (14 pin) have a
maximum supply current of 2mA. The MAX422 (8 pin)
and MAX 423 (14 pin) are low power amplifiers with a
maximum current of 0.5mA,
Applies tions
Precision Amplifiers
Signal Conditioning for:
Thermocouples
Strain Gauges, Load Cells
Platinum Temperature Sensors
Thermistors, Bridges
High Accuracy Data Acquisition
D.C. Stabilization of Amplifiers and Systems
Typical Operating Circuit
INPUT y--Ne
-----v illlmlT
l11uF [lluF
Inverting Amplifier
Opera tional Amplifier
Fea tures
50V Max Offset Voltage
:15V Supply Operation
Input Voltage Range: +11V to -15V
Low Input Nolse: 0.3;va - p (DC - 1Ha)
High Gain, CMRR, PSRR: 120dB
Low Power CMOS Deslgn: 0.5mA Max
Supply Current (MAX422/423)
. Low Input Bias Current: 30pA Max
Ordering Information
, PART -r" TEMP. Frrkr - PACKAGE ___]
L MAX420CPA I 0°C to shyac a Lead Plastic DIP
WAX420EPA I -40°c to +85°C a Lead Plastic DIP
r MAX420MTV -55°C to 425°C TO-99 Metal Can _
MAX421CPD 0°C to +70°C 0 14 Lead maistrcUF l
- MAX421CWE 0°C to +70°c 16 Lead Small Outline ,
MAX421C/D 0°C to '70"C Dice - -
-MAX42IEm, -40°C to +85°C 14 Lead Plastic DIP
MAX421MJD -55''C to +125°C 14 Lead GEE; -
(Ordering information continued on last page)
_—__, Pin Configurations
Top View V
smAII .
414ml MAXIM _rle
MAX420 -
.INPUTI; MAX422 iDuTPUT
g- T Ts] Cam
u INT/m'
.3 EXT CLK m
2] m1 CLK OUT
CEm U 0
NCIGUMD] [I MAXIM
-0i80t LE MAX421 n "
+INPUT ' MAX423 In numn
ucmumm CC g OUTPUT cum
ll- I: II Cam
NC = No Internal connecnon,
(Pin Configurations continued on last page)
[VI A X I /Vl
MAXIM Is a registered trademark of Maxim Integrated Products,
__Maxim Integrated Products 1
CZVIZZb/Iv317/039XVW
MAX420/421/422/423
:15 Volt Chopper Stabilized
Opera tional Amplifier
ABSOLUTE MAXIMUM RATINGS
Total Supply Voltage N' to V-) .......................... 36V
Input Voltage .................... (V' - 0.3) to (V- - 0.3) V
Storage Temperature Range .............. -65°C to r160''C
Operating Temperature Range .................. See Note 1
Lead Temperature (Soldering, 10 sec) . .............. +300°C
Voltage on Oscillator Control Pins ...A .............. V' to (
Duration of Output Short Circuit ................... Indefinite
Current Into Any Pin .................................. 10mA
Continuous Total Power Dissipation (TA " '25''C)
CERDIP Package ................................ 500mW
Plastic Package ..............
Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the dewce, These are stress ralmgs only and Iuncnonal
operation of the device at Ihese or any other conditions above those indicated in the operational sections of the spscihcatityns IS not Implied. Exposure to
absolute maximum rating Conditions for axlended periods may affect dewce reliability.
ELECTRICAL CHARACTERISTICS MAX420, MAX421
( t = v15V, - = -15V, TA = +25°C,Testcircui1unless noted.)
PARAMETER I SYMBOL CONDITIONS MIN. TYP. MAX. UNITS
- C Il t10
TA - +25''C E,M "cl 15 “V
Input Offset Voltage Vos _ - -
Over Temperature C +2 t20 V
Range (Note 1, 2) E,M t2 t10 "
Average Temperature
Coefficient of Input A2o_ss, tl': 33353“; EN 0 02 0.05 pw°c
Offset Voltage AT g ,
- C 10 100
TA - +25''G EN 10 30 pA
In utBiasC rrent I
p I u i3 Over Temperatu re f, 32 :2
Range(Note 1) M 0.5 5 nA
- C) 15 200
TA - '25''C EN 15 60 PA
I tOffset Current I _ A rrrrrrrrrrrr
npu os Over Temperature g if, b :2
Range (Note 1) M 0.5 10 nA
Input Resistance ' Rm 10'2 il
T , : RL =10kn.vOUT = t10V, TA = +25°C 120 150
Large Signal Voltage Gain AVOL Over Temperature Range(Noie1) 120 150 dB
_ CLAMP not R. =10kn t12 :145
Output Voltage Swing Vour connected (note 3) RL --100ktl :1495 V
Common-Mode
VoltageRange CMVR _ +11,-15 +11.5.-15,1 V
Common-Mode CMRR CMVR = +11V to -15V. TA = +25°C 120 140 dB
Rejection Ratio Over Temperature Range (Note I) 110 140
Power Supply PSHR t3Vto :16.5V, TA = 25°C 120 140 dB
Rejection Ratio Over Temperature Range (Note l) 110 140
Inpu1Noise Voltage -
(P-P value not exceeded eN Rs _ 100tl, 38:21:32 (1" WM,
95% of time) p-p _
Input Noise Current IN f=10Hz 0.01 pA/ym
Unity-Gain Bandwidth GBW 500 kHz
Slew Rate SR CL = 50pF, RL 2101(1) 0.5 V/ps
Rise Time t, 0.7 Ms
Overshoot 20 %
Note 1: Operating temperature range for "C" parts is 0''C to 00°C. for "E" parts is -40OC to +85°C, and for "M" parts IS -55''C to 425°C.
Note 2: Guaranteed by design.
Note 3: The OUTPUT CLAMP, pin 9 on MAX421, when connected to the inverting input (pin 4), reduces the overload recovery time
inherent with chopper-stabilized amplifiers (see text).
Note 4: All pins are designed to withstand electrostatic discharge (ESD) levels in excess of 2000V (Mil Std 883C, Method 3015.2 Test
Circuit),
[VII] X IIVI
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