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MAX400CPA+

MAX400CPA+

  • 厂商:

    AD(亚德诺)

  • 封装:

    PDIP8_9.38X6.96MM

  • 描述:

    IC OPAMP GP 1 CIRCUIT 8DIP

  • 数据手册
  • 价格&库存
MAX400CPA+ 数据手册
Not Recommended for New Designs This product was manufactured for Maxim by an outside wafer foundry using a process that is no longer available. It is not recommended for new designs. The data sheet remains available for existing users. A Maxim replacement or an industry second-source may be available. Please see the QuickView data sheet for this part or contact technical support for assistance. For further information, contact Maxim’s Applications Tech Support. 19-3001; Rev 1; 10/05 Ultra-Low Offset Voltage Operational Amplifier The MAX400 guaranteed maximum 10µV offset error is the lowest input offset voltage of any commercially available (nonchopper) monolithic amplifier. The MAX400 represents a 2.5 times improvement over the highest grade OP07 (the OP07A), and a 5 times improvement over the best commercial temperature range device (OP07E). The offset voltage drift is guaranteed to be a maximum of 0.3µV/°C which is also an improvement over the OP07 family. For the ultimate in DC performance (5µV maximum offset voltage and 0.05µV/°C maximum offset voltage drift) the MAX420 and MAX430 series of ±15V monolithic, chopper-stabilized amplifiers should be consulted. Features ♦ Ultra-Low Offset Voltage: 10µV (max) ♦ Ultra-Low Offset Voltage Drift: 0.2µV/°C ♦ Ultra Stable vs. Time: 0.2µV/month ♦ Ultra-Low Noise: 0.35µVP-P ♦ Wide Supply Voltage: ±3V to ±18V ♦ High Common-Mode Input: ±14V ♦ No External Components Required ♦ Fits OP07, AD510, 725, 108A/308A Sockets Applications Precision Amplifiers Ordering Information PART TEMP RANGE PIN-PACKAGE Thermocouple Amplifiers MAX400MJA -55°C to +125°C 8 CERDIP Low-Level Signal Processing MAX400MTV -55°C to +125°C 8 TO-99 Medical Instrumentation MAX400EJA -40°C to +85°C 8 CERDIP Strain Gauge Amplifiers MAX400ETV -40°C to +85°C 8 TO-99 MAX400CTV 0°C to +70°C 8 TO-99 MAX400CPA 0°C to +70°C 8 Plastic Dip MAX400CSA 0°C to +70°C 8 SO High-Accuracy Data Acquisition Pin Configuration Typical Operating Circuit TOP VIEW +VS VOS TRIM VOS TRIM 8 1 7 V+ MAX400 -IN 2 VOUT 6 VOUT MAX400 -VS +IN 3 5 4 V- N.C. +VS LOAD CELL TO-99 MAX400 VOS TRIM 1 8 VOS TRIM -IN 2 7 V+ 3 6 VOUT V- 4 5 N.C. -VS MAX400 +IN LOAD CELL AMPLIFIER DIP ________________________________________________________________ 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. 1 MAX400 General Description MAX400 Ultra-Low Offset Voltage Operational Amplifier ABSOLUTE MAXIMUM RATINGS Total Supply Voltage (V+ to V-) ...........................................±22V Internal Power Dissipation.................................................500mV TO-99 (T) (derate at 7.1mW/ above +80°C) Hermatic Dip (J) (derate 6.7mW/°C above +75°C) Plastic Dip (P) (derate 5.6mW/°C above +36°C) Differential Input Voltage .....................................................±30V Input Voltage (Note 1)..........................................................±22V Storage Temperature Range .............................-65°C to +150°C Operating Temperature Range MAX400M ......................................................-55°C to +125°C MAX400E .........................................................-40°C to +85°C MAX400C ............................................................0°C to +70°C Lead Temperature (soldering, 10s) .................................+300°C Duration of Output Short Circuit ....................................Indefinite Junction Temperature (TJ).................................-65°C to +160°C Note 1: For supply voltages less than ±22V, the absolute maximum input voltage is equal to the supply voltage. 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. ELECTRICAL CHARACTERISTICS (VS = ±15V, TA = +25°C, unless otherwise noted.) PARAMETER Input Offset Voltage Long-Term Input Offset Voltage Stability Input Offset Current Input Bias Current Input Noise Voltage Input Noise-Voltage Density SYMBOL 10 VOS/Time (Note 3) 0.2 IB eN(P-P) eN Input Noise-Current Density IN Input Resistance Differential Mode RIN Input Resistance Common Mode RINCM TYP MAX 10 15 0.3 2.0 0.3 2.0 ±0.7 ±2.0 ±0.7 ±2.0 0.35 fO = 10Hz 10.3 10.3 fO = 100Hz 10.0 10.0 fO = 1000Hz 9.6 9.6 0.1Hz to 10Hz 14 14 fO = 10Hz 0.32 0.32 fO = 100Hz 0.14 0.14 fO = 1000Hz 0.12 0.12 (Note 4) 30 80 20 200 CMRR VCM = ±13V Power-Supply Rejection Ratio PSRR VS = ±3V to ±18V UNITS µV µV/ month 0.2 0.35 IVR AVO MIN 0.1Hz to 10Hz Common-Mode Rejection Ratio 2 MAX 4 IOS MAX400C/E TYP (Note 2) IN(P-P) Large-Signal Voltage Gain MAX400M MIN VOS Input Noise Current Input Voltage Range CONDITIONS nA nA µVP-P nV/√Hz pAP-P pA/√Hz 60 MΩ 200 GΩ ±13 ±14 ±13 ±14 V 114 126 114 126 dB 4 10 4 RL ≥ 2kΩ, VO = ±10V 500 1000 500 1000 RL ≥ 500Ω, VO = ±0.5V, VS = ±3V (Note 4) 150 400 150 400 _______________________________________________________________________________________ 10 µV/V V/mV Ultra-Low Offset Voltage Operational Amplifier MAX400 ELECTRICAL CHARACTERISTICS (continued) (VS = ±15V, TA = +25°C, unless otherwise noted.) PARAMETER SYMBOL Output Voltage Swing VO CONDITIONS MAX400M MIN TYP RL ≥ 10kΩ ±12.5 RL ≥ 2kΩ ±12.0 RL ≥ 1kΩ ±10.5 MAX400C/E MAX MIN TYP ±13.0 ±12.5 ±13.0 ±12.8 ±12.0 ±12.8 ±12.0 ±10.5 ±12.0 MAX UNITS V Slew Rate SR RL ≥ 2kΩ 0.3 0.3 V/µS Closed-Loop Bandwidth BW AVCL = +1V 0.6 0.6 MHz Open-Loop Output Resistance RO VO = 0V, IO = 0 60 60 Ω Power Consumption PD VS = ±15V, no load 75 120 75 120 VS = ±3V, no load 4 6 4 6 Offset Adjustment Range RP = 20kΩ ±4 ±4 mW mV Note 2: VOS is measured one minute after application of power. Note 3: Long-term Input Offset Voltage Stability refers to the average trend line of VOS vs. Time over extended periods after the first 30 days of operation. Excluding the initial hour of operation, changes in VOS during the first 30 operating days are typically 2.5µV – refer to typical performance curves. Note 4: Guaranteed by design. ELECTRICAL CHARACTERISTICS (VS = ±15V, TA = full operating temperature range, unless otherwise noted.) PARAMETER SYMBOL Input Offset Voltage Average Temperature Coefficient of Input Offset Voltage CONDITIONS MAX400M MIN MAX400C/E TYP MAX MIN TYP MAX UNITS VOS (Note 5) 20 40 20 40 µV TCVOS (Note 6) 0.2 0.3 0.2 0.3 µV/°C 4.0 0.8 4.0 nA Input Offset Current IOS 0.8 Average Input Offset Current Drift TCIOS 5 Input Bias Current IB ±1.0 Average Input Bias Current Drift TCIB 8 Input Voltage Range IVC Common-Mode Rejection Ratio CMRR VCM = ±13V Power-Supply Rejection Ratio PSRR VS = ±3V to ±18V Large-Signal Voltage Gain AVO Output Voltage Swing VD RL ≥ 2kΩ, VO = ±10V RL ≥ 2kΩ 5 ±4.0 ±1.0 pA/°C ±4.0 nA 8 pA/°C ±13 ±13.5 ±13 ±13.5 V 106 123 106 123 dB 5 20 5 20 µV/V 200 400 200 400 V/mV ±12.0 ±12.6 ±12.0 ±12.6 V Note 5: Offset Voltage is measured one minute after application of power. Note 6: 100% tested. _______________________________________________________________________________________ 3 MAX400 Ultra-Low Offset Voltage Operational Amplifier V+ 100Ω 2 7 20kΩ 1 2 - 100Ω 8 7 INPUT 6 OUTPUT MAX400 3 + 3.3kΩ 6 V+ OUTPUT MAX400 3 4.7µF 4 (≈10Hz FILTER) V2.5MΩ 4 V- INPUT-REFERRED NOISE = Figure 1. Optional Offset Nulling Circuit V0 25,000 Figure 2. Low-Frequency Noise Test Circuit Typical Operating Characteristics 24 20 16 12 8 1000 RS1 = RS2 = 200kΩ THERMAL NOISE OF SOURCE INPUT NOISE VOLTAGE (nV√Hz) VS = ±15V TA = +25°C MAX400 toc01 MAX400 toc02 28 PEAK-TO-PEAK AMPLITUDE (V) TOTAL INPUT NOISE VOLTAGE vs. FREQUENCY LOW-FREQUENCY NOISE RESISTORS INCLUDED 100 RESISTORS EXCLUDED RS = 0Ω 10 VS = ±15V TA = +25°C 4 0 1 1k 10k 100k FREQUENCY (Hz) 4 MAX400 toc03 MAXIMUM OUTPUT SWING vs. FREQUENCY 1M 1 10 100 FREQUENCY (Hz) _______________________________________________________________________________________ 1k Ultra-Low Offset Voltage Operational Amplifier PSRR vs. FREQUENCY 100 100 90 90 80 80 70 70 60 60 10 100 1k 10k 1.0 10 100 10k 1k 0.1 1 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) OFFSET VOLTAGE CHANGE DUE TO THERMAL SHOCK INPUT BIAS CURRENT vs. TEMPERATURE INPUT BIAS CURRENT vs. DIFFERENTIAL INPUT VOLTAGE INPUT BIAS CURRENT (nA) TA = +25°C TA = +70°C 20 THERMAL SHOCK RESPONSE BAND 15 10 5 4 VS = ±15V 3 2 1 DEVICE IMMERSED IN +70°C OIL BATH 0 0 20 40 60 80 100 0 30 NONINVERTING INPUT BIAS CURRENT (mA) VS = ±15V MAX400 toc09 FREQUENCY (Hz) MAX400 toc07 ABSOLUTE CHANGE IN INPUT OFFSET VOLTAGE (µV) 40 FREQUENCY (Hz) 30 -20 80 -40 0.1 100k VS = ±15V TA = +25°C 0 50 1 25 OPEN LOOP GAIN (dB) 110 120 MAX400 toc05 MAX400 toc04 110 MAX400 toc08 CMRR (dB) 120 OPEN-LOOP FREQUENCY RESPONSE 120 MAX400 toc06 CMRR vs. FREQUENCY 130 AT |VDIFF| ≤ 1.0V, |IB| ≤2nA 20 10 0 -10 -20 VS = ±15V TA = +25°C -30 -50 TIME (s) 0 50 TEMPERATURE (°C) 100 -30 -20 -10 0 10 20 30 DIFFERENTIAL INPUT VOLTAGE (V) 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 _____________________ 5 © 2005 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products, Inc. MAX400 Typical Operating Characteristics (continued)
MAX400CPA+ 价格&库存

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