AD627:  Micropower, Single and Dual Supply Rail-to-Rail Instrumentation Amplifier

The AD627 is an integrated, micropower instrumentation amplifier that delivers rail-to-rail output swing on single and dual (+2.2 V to ±18 V) supplies. The AD627 provides excellent ac and dc ...More

AD627:  Micropower, Single and Dual Supply Rail-to-Rail Instrumentation Amplifier

Product Description

The AD627 is an integrated, micropower instrumentation amplifier that delivers rail-to-rail output swing on single and dual (+2.2 V to ±18 V) supplies. The AD627 provides excellent ac and dc specifications while operating at only 85 μA maximum.

The AD627 offers superior flexibility by allowing the user to set the gain of the device with a single external resistor while con-forming to the 8-lead industry-standard pinout configuration. With no external resistor, the AD627 is configured for a gain of 5. With an external resistor, it can be set to a gain of up to 1000.

A wide supply voltage range (+2.2 V to ±18 V) and micropower current consumption make the AD627 a perfect fit for a wide range of applications. Single-supply operation, low power consumption, and rail-to-rail output swing make the AD627 ideal for battery-powered applications. Its rail-to-rail output stage maximizes dynamic range when operating from low supply voltages. Dual-supply operation (±15 V) and low power consumption make the AD627 ideal for industrial applications, including 4 to 20 mA loop-powered systems.

The AD627 does not compromise performance, unlike other micropower instrumentation amplifiers. Low voltage offset, offset drift, gain error, and gain drift minimize errors in the system. The AD627 also minimizes errors over frequency by providing excellent CMRR over frequency. Because the CMRR remains high up to 200 Hz, line noise and line harmonics are rejected.

The AD627 provides superior performance, uses less circuit board area, and costs less than micropower discrete designs.

Applications

  • 4 to 20 mA loop-powered applications
  • Low power medical instrumentation—ECG, EEG
  • Transducer interfacing
  • Thermocouple amplifiers
  • Industrial process controls
  • Low power data acquisition
  • Portable battery-powered instruments

    • Features

    • Micropower, 85 μA maximum supply current
    • Wide power supply range (+2.2 V to ±18 V)
    • Easy to use
      Gain set with one external resistor
      Gain range 5 (no resistor) to 1000
    • Higher performance than discrete designs
    • Rail-to-rail output swing
    • High accuracy dc performance
      0.03% typical gain accuracy (G = +5) (AD627A)
      10 ppm/°C typical gain drift (G = +5)
      125 μV maximum input offset voltage (AD627B dual supply)
      200 μV maximum input offset voltage (AD627A dual supply)
    • 1 μV/°C maximum input offset voltage drift (AD627B)
      3 μV/°C maximum input offset voltage drift (AD627A)
    • Noise: 38 nV/√Hz RTI noise @ 1 kHz (G = +100)
    • Excellent ac specifications
      AD627A: 77 dB minimum CMRR (G = +5)
      AD627B: 83 dB minimum CMRR (G = +5)
      80 kHz bandwidth (G = +5)
      135 μs settling time to 0.01% (G = +5, 5 V step)

    Diagrams

    AD627 Diagram
    Pin Configuration Diagram for AD627

    技术指标

    Single/Dual Supply Single/Dual
    Voltage Supply (Vmax) ±18V
    Gain Setting Method Resistor
    Gain Range (min to max) 995
    Bandwidth G=10 (kHz typ) 30kHz
    CMRR (dB) 77dB
    Vnoise RTI 1-10 Hz µVp-p 1.2µV p-p
    Temperature Range -40 to +85
    Gain Error (%) max +0.35%
    Supply Current (max) 0.06mA
    Package DIP,SOIC
    Vosi (µV) 50µV

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    订阅新产品资料 More
    Part# Description Single/Dual Supply Vcc-Vee Gain Setting Method Bandwidth G=10 (kHz typ) Gain min. Gain max. Min CMRR @ 60 Hz Min Gain Min CMRR @ 60Hz Max Gain Vnoise RTI 1-10 Hz µVp-p Price* (1000-4999)
    AD522 Diff Amp Dual 10V to 36V Resistor 3 1 1,000 75dB 100dB 4 -
    AD524 Precision IA Dual 12V to 36V Pin 400 1 1,000 70dB 110dB 0.3 $9.52
    AD526 Software Programmable Dual 9V to 33V Software 350 1 16 - - 3 $6.39
    AD620 General Purpose IA Dual 4.6V to 36V Resistor 800 1 10,000 73dB 110dB 0.28 $3.18
    AD621 Precision IA Dual 4.6V to 18V Pin 800 10 100 93dB 110dB 0.28 $4.09
    AD622 Low Cost IA Dual 5.2V to 36V Resistor 800 1 1,000 66dB 103dB 0.3 $2.51
    AD623 S.S R-R IA Single/Dual 2.7V to 12V Resistor 100 1 1,000 70dB 105dB 2 $1.40
    AD624 Precision IA Dual 12V to 36V Pin 400 1 1,000 70dB 110dB 0.3 $11.93
    AD625 Programmable Gain IA Dual 12V to 36V Resistor 400 1 10,000 70dB 110dB 0.3 $8.78
    AD626 Diff Amp Single/Dual 2.4V to 12V Pin 100 10 100 55dB 55dB 2 $3.70
    AD627 Micropower IA Single/Dual 2.2V to 36V Resistor 30 5 1,000 77dB 77dB 1.2 $2.56
    AD628 High CMV DA Single/Dual 4.5V to 36V Pin, Resistor 600 0.1 100 75dB 75dB 15 $1.78
    AD629 High CMV DA Dual 5V to 36V fixed 500 - - 77dB 77dB 15 $2.84
    AD8129 Low Cost Diff Amp Single/Dual 4.5V to 25V Resistor 200000 10 - 94dB - - $1.57
    AD8202 High CMV DA Single 3.5V to 12V fixed 50 - - 82dB 82dB 10 $1.51
    AD8203 High CMV DA Single 4.5V to 5.5V fixed 60 - - 82dB 82dB 10 $1.37
    AD8205 S.S Diff Amp Single 4.5V to 5.5V fixed 50 - - 78dB 78dB 20 $1.51
    AD8206 S.S Diff Amp Single 4.5V to 5.5V fixed 100 - - 76dB 76dB 20 $1.37
    AD8210 Bi-Directional Shunt Mon Single 4.5V to 5.5V fixed 500 20 20 100dB 100dB 7 $1.81
    AD8211 High CMV Shunt Mon Single 4.5V to 5.5V fixed 500 20 20 100dB 100dB 7 $0.81
    AD8212 High CMV Shunt Mon Single 7V to 65V Resistor 1000 1 1,000 100dB 100dB 1.1 $0.93
    AD8213 Dual High CMV Shunt Mon Single 4.5V to 5.5V fixed 500 20 20 100dB 100dB 7 $2.01
    AD8214 High CMV Threshold Detec Single 5V to 65V Resistor - 1 100 80dB 80dB 2.2 $0.76
    AD8215 High CMV Shunt Mon Single 4.5V to 5.5V fixed 450 20 20 100dB 100dB 7 $1.21
    AD8216 High BW 65 V Diff Amp Single 4.5V to 5.5V fixed 3000 3 3 80dB 80dB 20 $1.62
    AD8220 R-R JFET IA Single/Dual 4.6V to 36V Resistor 800 1 1,000 78dB 94dB 0.8 $2.32
    AD8221 High Performance IA Dual 4.6V to 36V Resistor 562 1 1,000 80dB 130dB 0.25 $2.01
    AD8222 Dual High Performance IA Dual - to - Resistor 750 1 10,000 80dB 130dB 0.25 $3.63
    AD8223 S.S R-R IA Single/Dual 3V to 25V Pin 200 5 1,000 70dB 105dB 2 -
    AD8224 Dual JFET R-R IA Single/Dual 4.6V to 36V Resistor 800 1 1,000 78dB 94dB 0.8 $4.17
    AD8225 Fixed G=5 IA Dual 3.4V to 36V fixed 900 - - 86dB 86dB 1.5 $3.29
    AD8228 Precision IA Dual 4.6V to 36V Pin 650 10 100 100dB 120dB 0.5 $3.03
    AD8230 Zero Drift IA Single/Dual 8V to 16V Resistor 2 2 1,000 - 110dB 3 $2.99
    AD8231 Zero Drift Software Prog Single 3V to 6V Pin, Software 700 1 128 80dB 110dB 0.7 $1.71
    AD8250 Software Programmable Dual 10V to 34V Pin, Software 3000 1 10 80dB 98dB 1 $5.01
    AD8251 Software Programmable Dual 10V to 34V Pin, Software 2500 1 8 80dB 98dB 1.2 $5.01
    AD8253 Software Programmable Dual 10V to 34V Pin, Software 10000 1 1,000 80dB 120dB 1 $4.95
    AD8270 Dual Diff Amp Dual 5V to 36V Pin 10000 0.5 2 70dB 80dB 1 $1.89
    AD8273 Dual Audio Diff Amp Dual 5V to 36V Pin 20000 0.5 2 77dB - 2 $1.67
    AD8290 Sensor Amp - 2.6V to 5.5V fixed - 50 50 - - 0.75 $1.52
    AD8553 Zero Drift IA Single 1.8V to 5.5V Resistor 1 0.1 10,000 80dB 120dB 0.7 $1.32
    AD8555 Sensor Amp Single 5.5V to 2.7V Software n/a 70 1,280 80dB 96dB 0.5 $3.12
    AD8556 Sen/Filter Amp Single 2.7V to 5.5V Software n/a 70 1,280 80dB 94dB 0.5 $2.88
    AD8557 Sensor Amp Single 2.7V to 5.5V Software - 28 1,300 75dB 86dB - $2.13
    AMP03 Precision Diff Amp Dual 12V to 36V fixed 3000 - - 85dB 85dB 2 $2.81

    * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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    这里所列出的美国报价单仅供预算参考，指美元报价（规定订量的每片美元，美国离岸价），如有修改不再另行通知。由于地区关税、商业税、汇率及手续费原因，国际报价可能不同。对于特殊批量报价，请与您当地的ADI公司办事处或代理商联络。对于评估板和套件的报价是指一个单位价格。

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