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AD8594:  Quad, CMOS Single Supply Rail-to-Rail Input/Output Operational Amplifier with ±250 mA Output Current and a Power-Saving Shutdown Mode

The AD8591, AD8592, and AD8594 are single, dual, and quad rail-to-rail, input and output single-supply amplifiers featuring 250 mA output drive current and a power saving shutdown mode. The AD8592 includes an independent shutdown function for each amplifier. When both amplifiers are in shutdown mode, the total supply current is reduced to less than 1 μA. The AD8591 and AD8594 include a single ...More

AD8594:  Quad, CMOS Single Supply Rail-to-Rail Input/Output Operational Amplifier with ±250 mA Output Current and a Power-Saving Shutdown Mode

Product Description

The AD8591, AD8592, and AD8594 are single, dual, and quad rail-to-rail, input and output single-supply amplifiers featuring 250 mA output drive current and a power saving shutdown mode. The AD8592 includes an independent shutdown function for each amplifier. When both amplifiers are in shutdown mode, the total supply current is reduced to less than 1 μA. The AD8591 and AD8594 include a single master shutdown function that reduces the total supply current to less than 1 μA. All amplifier outputs are in a high impedance state when in shutdown mode.

These amplifiers have very low input bias currents, making them suitable for integrators and diode amplification. Outputs are stable with virtually any capacitive load. Supply current is less than 750 μA per amplifier in active mode.

Applications for these amplifiers include audio amplification for portable computers, portable phone headsets, sound ports, sound cards, and set-top boxes. The AD859x family is capable of driving heavy capacitive loads, such as LCD panel reference levels.

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

The AD8591, AD8592, and AD8594 are specified over the industrial temperature range (−40°C to +85°C). The AD8591, single, is available in the tiny 6-lead SOT-23 package. The AD8592, dual, is available in the 10-lead surface-mount MSOP package. The AD8594, quad, is available in 16-lead narrow SOIC and 16-lead TSSOP packages.

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  • Single-supply operation: 2.5 V to 6 V
  • High output current: ±250 mA
  • Extremely low shutdown supply current: 100 nA
  • Low supply current: 750 μA/Amp
  • Wide bandwidth: 3 MHz
  • Slew rate: 5 V/μs
  • No phase reversal
  • Very low input bias current
  • High impedance outputs when in shutdown mode
  • Unity-gain stable
  • Iq per Amplifier: 1.25mA
  • # OpAmps per Pkg: 4
  • Operating Temp Range: -40 to +85
  • Packages: SOIC,SOP
  • -3dB Bandwidth: 2.2MHz
  • Slew Rate: 3.5V/µs
  • Vos: 25mV
  • Ib: 5pA
  • Input Noise (nV/rtHz): 30nV/rtHz
  • Vcc-Vee Supply (V): 2.5 to 6

AD8594 Pin Configuration

类似产品

arrow View Full Interactive Product Selection Table
Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
AD8625 5MHz 5V/µs 50µV 250fA 16nV/rtHz 4 -40 to +85
AD8534 3MHz 5V/µs 25mV 5pA 30nV/rtHz 4 -40 to +85
AD8594 2.2MHz 3.5V/µs 25mV 5pA 30nV/rtHz 4 -40 to +85
AD8668 4MHz 3.5V/µs 600µV 200fA 10nV/rtHz 4 -40 to +125
AD8608 10MHz 5V/µs 20µV 200fA 6.5nV/rtHz 4 -40 to +125
AD8694 10MHz 5V/µs 400µV 200fA 8nV/rtHz 4 -40 to +125
AD8604 8.4MHz 6V/µs 500µV 200fA 18nV/rtHz 4 -40 to +125
AD8664 4MHz 3.5V/µs 50µV 300fA 12nV/rtHz 4 -40 to +125
ADA4000-4 5MHz 20V/µs 200µV 5pA 16nV/rtHz 4 -40 to +125
AD8648 22MHz 12V/µs 700µV 200fA 6nV/rtHz 4 -40 to +125
AD8618 24MHz 12V/µs 23µV 200fA 6nV/rtHz 4 -40 to +125
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