AD8607:  Precision Dual MicroPower Rail-to-Rail Input/Output Amplifier

The AD8603/AD8607/AD8609 are single/dual/quad micro-power rail-to-rail input and output amplifiers, respectively, that feature very low offset voltage as well as low input voltage and current ...More

AD8607:  Precision Dual MicroPower Rail-to-Rail Input/Output Amplifier

Product Description

The AD8603/AD8607/AD8609 are single/dual/quad micro-power rail-to-rail input and output amplifiers, respectively, that feature very low offset voltage as well as low input voltage and current noise.

These amplifiers use a patented trimming technique that achieves superior precision without laser trimming. The parts are fully specified to operate from 1.8 V to 5.0 V single supply or from ±0.9 V to ±2.5 V dual supply. The combination of low offsets, low noise, very low input bias currents, and low power consumption makes the AD8603/AD8607/AD8609 especially useful in portable and loop-powered instrumentation.

The ability to swing rail to rail at both the input and output enables designers to buffer CMOS ADCs, DACs, ASICs, and other wide output swing devices in low power, single-supply systems.

The AD8603 is available in a tiny 5-lead TSOT package. The AD8607 is available in 8-lead MSOP and 8-lead SOIC packages. The AD8609 is available in 14-lead TSSOP and 14-lead SOIC packages.

Applications

  • Battery-powered instrumentation
  • Multipole filters
  • Sensors
  • Low power ASIC input or output amplifiers

    • Data Sheet, Rev. C, 6/08

    Features

    • Low Offset Voltage: 40 µV typ
    • Low Input Bias Current: 1pA max
    • Single-Supply Operation: 1.8 to 5 Volts
    • Low Noise: 25 nV/vHz
    • Micropower: 50 µA/Amp max
    • No Phase Reversal
    • Unity Gain Stable

    Diagrams

    AD8607 Diagram
    Pin Configuration Diagram for AD8607

    Specifications

    -3dB Bandwidth 400kHz
    Slew Rate 0.1V/µs
    Vos 12µV
    Ib 0.2pA
    Input Noise (nV/rtHz) 22nV/rtHz
    Vcc-Vee Supply (V) 1.8 to 6
    Iq per Amplifier (max) 50µA
    # OpAmps per Pkg 2
    Operating Temp Range -40 to +125
    Packages SOIC,SOP

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    Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
    AD8607 400KHz 100mV/µs 12µV 200fA 22nV/rtHz 2 -40 to +125
    AD8609 400KHz 100mV/µs 12µV 200fA 22nV/rtHz 4 -40 to +125
    AD8603 400KHz 100mV/µs 12µV 200fA 22nV/rtHz 1 -40 to +125
    AD8629 2.5MHz 1V/µs 1µV 30pA 22nV/rtHz 2 -40 to +125
    AD8617 400KHz 100mV/µs 400µV 200fA 22nV/rtHz 2 -40 to +125
    AD8676 10MHz 2.5V/µs 12µV 500pA 2.8nV/rtHz 2 -40 to +125
    AD8599 10MHz 16.8V/µs 10µV 25nA 1.15nV/rtHz 2 -40 to +125