AD8512ARMZ
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Analog Devices Inc. AD8512ARMZ

Manufacturer No:
AD8512ARMZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC OPAMP JFET 2 CIRCUIT 8MSOP
Delivery:
Payment:
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Product Introduction

Overview

The AD8512ARMZ from Analog Devices Inc. is a precision, dual-channel JFET operational amplifier known for its low noise, low input bias current, and high accuracy. This amplifier is particularly suited for applications requiring high impedance sensor amplification, precise current measurements using shunts, and superior performance in medical instruments, electronic measurement, and automated test equipment. The AD8512ARMZ features a combination of DC precision, low noise, and fast settling time, making it an excellent choice for various high-performance applications.

Key Specifications

Parameter Symbol Conditions Min
Input Offset Voltage Vos 0.1 0.9 mV
Input Bias Current Ib VS = ±15 V 25 pA
Supply Current/Amplifier ISY VO = 0 V, −40°C < TA < +125°C 2.0 2.5 2.6 mA
Slew Rate SR RL = 2 kΩ 20 V/μs
Gain Bandwidth Product GBP 8 MHz
Settling Time tS To 0.1%, 0 V to 4 V step, G = +1 0.4 μs
Output Current IOUT ±40 ±54 ±70 mA
Operating Temperature Range TA −40 +125 °C
Power Supply Rejection Ratio PSRR VS = ±4.5 V to ±18 V 86 130 dB
Noise Voltage Density en f = 1 kHz 8.0 10 nV/√Hz

Key Features

  • Low input offset voltage (max 0.9 mV) and low offset voltage drift (typ 1.7 μV/°C)
  • Very low input bias current (typ 25 pA at VS = ±15 V)
  • Low noise (typ 8 nV/√Hz at f = 1 kHz)
  • Fast settling time (typ 0.4 μs to 0.1%, 0 V to 4 V step, G = +1)
  • High slew rate (typ 20 V/μs at RL = 2 kΩ)
  • No phase reversal and unity-gain stability
  • Dual-supply operation (±4.5 V to ±18 V)
  • High output current (±70 mA per channel)
  • Operating temperature range of −40°C to +125°C
  • Available in 8-lead MSOP and other packages

Applications

  • High impedance sensor amplification
  • Precise current measurements using shunts
  • Medical instruments
  • Electronic measurement and automated test equipment
  • Audio applications due to low noise and distortion
  • Instrumentation, multipole filters, and photodiode amplifiers
  • Sensors and other high-performance applications

Q & A

  1. What is the typical input offset voltage of the AD8512ARMZ?

    The typical input offset voltage is 0.1 mV, with a maximum of 0.9 mV.

  2. What is the input bias current of the AD8512ARMZ?

    The input bias current is typically 25 pA at VS = ±15 V.

  3. What is the slew rate of the AD8512ARMZ?

    The slew rate is typically 20 V/μs at RL = 2 kΩ.

  4. What is the gain bandwidth product of the AD8512ARMZ?

    The gain bandwidth product is 8 MHz.

  5. What is the settling time of the AD8512ARMZ?

    The settling time is typically 0.4 μs to 0.1%, for a 0 V to 4 V step, G = +1.

  6. What is the operating temperature range of the AD8512ARMZ?

    The operating temperature range is −40°C to +125°C.

  7. What are the typical supply currents for the AD8512ARMZ?

    The supply current per amplifier is typically 2.5 mA at VO = 0 V, −40°C < TA < +125°C.

  8. Does the AD8512ARMZ suffer from phase reversal?

    No, the AD8512ARMZ does not suffer from phase reversal.

  9. What are some common applications of the AD8512ARMZ?

    Common applications include high impedance sensor amplification, precise current measurements, medical instruments, electronic measurement, automated test equipment, audio applications, and more.

  10. In what packages is the AD8512ARMZ available?

    The AD8512ARMZ is available in 8-lead MSOP and other packages.

Product Attributes

Amplifier Type:J-FET
Number of Circuits:2
Output Type:- 
Slew Rate:20V/µs
Gain Bandwidth Product:8 MHz
-3db Bandwidth:- 
Current - Input Bias:25 pA
Voltage - Input Offset:100 µV
Current - Supply:2.2mA (x2 Channels)
Current - Output / Channel:70 mA
Voltage - Supply Span (Min):10 V
Voltage - Supply Span (Max):30 V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-MSOP
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Similar Products

Part Number AD8512ARMZ AD8512ARZ AD8510ARMZ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active
Amplifier Type J-FET J-FET J-FET
Number of Circuits 2 2 1
Output Type - - -
Slew Rate 20V/µs 20V/µs 20V/µs
Gain Bandwidth Product 8 MHz 8 MHz 8 MHz
-3db Bandwidth - - -
Current - Input Bias 25 pA 25 pA 25 pA
Voltage - Input Offset 100 µV 100 µV 100 µV
Current - Supply 2.2mA (x2 Channels) 2.2mA (x2 Channels) 2.2mA
Current - Output / Channel 70 mA 70 mA 70 mA
Voltage - Supply Span (Min) 10 V 10 V 9 V
Voltage - Supply Span (Max) 30 V 30 V 36 V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP 8-SOIC 8-MSOP

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