AD744KR
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Analog Devices Inc. AD744KR

Manufacturer No:
AD744KR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC OPAMP JFET 1 CIRCUIT 8SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD744KR is a high-performance, precision operational amplifier manufactured by Analog Devices Inc. It belongs to the AD744 series, known for its fast settling time, high slew rate, and excellent DC characteristics. This BiFET op-amp combines the advanced processing technology of Analog Devices with laser wafer drift trimming and well-matched ion-implanted JFETs, ensuring outstanding DC precision and dynamic response.

The AD744KR is particularly suited for applications requiring high-speed and high-precision amplification, such as output buffers for DACs and ADCs, cable drivers, wideband preamplifiers, and active filters in data acquisition systems.

Key Specifications

Parameter Description Value
Package 8-SOIC (0.154", 3.90mm Width)
Amplifier Type J-FET
Number of Circuits 1
Slew Rate 75 V/µs
-3dB Bandwidth 13 MHz
Input Bias Current 30 pA
Input Offset Voltage 250 µV
Supply Current 3.5 mA
Output Current per Channel 25 mA
Supply Voltage (Single/Dual) ±4.5 V ~ 18 V
Operating Temperature 0°C ~ 70°C
Settling Time 500 ns to 0.01% for 10 V Step
Total Harmonic Distortion (THD) 0.0003%

Key Features

  • Fast settling time: 500 ns to 0.01% for a 10 V step and 1.5 µs to 0.0025% for a 10 V step.
  • High slew rate: 75 V/µs.
  • Low total harmonic distortion (THD): 0.0003%.
  • High gain bandwidth product: 13 MHz.
  • Exceptional capacitive load drive capability: can drive up to 1000 pF capacitive loads with external compensation.
  • High DC precision: low input offset voltage (0.5 mV max for AD744B) and low drift (10 µV/°C max for AD744B).
  • Available in various packages: 8-lead plastic mini-DIP, 8-lead SOIC, 8-lead cerdip, and TO-99 metal can.

Applications

  • Output buffers for 12-bit, 14-bit, and 16-bit DACs and ADCs.
  • Cable drivers.
  • Wideband preamplifiers.
  • Active filters in data acquisition systems.
  • AC preamps in digital signal processing (DSP) front ends.

Q & A

  1. What is the settling time of the AD744KR?

    The AD744KR settles to 0.01% in 500 ns for a 10 V step and to 0.0025% in 1.5 µs for a 10 V step.

  2. What is the slew rate of the AD744KR?

    The slew rate of the AD744KR is 75 V/µs.

  3. What is the total harmonic distortion (THD) of the AD744KR?

    The THD of the AD744KR is 0.0003%.

  4. What is the gain bandwidth product of the AD744KR?

    The gain bandwidth product of the AD744KR is 13 MHz.

  5. Can the AD744KR drive capacitive loads?

    Yes, the AD744KR can drive up to 1000 pF capacitive loads with external compensation.

  6. What are the typical input offset voltage and drift for the AD744KR?

    The typical input offset voltage is 0.5 mV max for the AD744B, and the drift is 10 µV/°C max for the AD744B.

  7. In what packages is the AD744KR available?

    The AD744KR is available in 8-lead plastic mini-DIP, 8-lead SOIC, 8-lead cerdip, and TO-99 metal can packages.

  8. What are some common applications of the AD744KR?

    Common applications include output buffers for DACs and ADCs, cable drivers, wideband preamplifiers, active filters, and AC preamps in DSP front ends.

  9. What is the operating temperature range of the AD744KR?

    The operating temperature range of the AD744KR is 0°C to 70°C.

  10. What is the supply voltage range for the AD744KR?

    The supply voltage range for the AD744KR is ±4.5 V to 18 V.

Product Attributes

Amplifier Type:J-FET
Number of Circuits:1
Output Type:- 
Slew Rate:75V/µs
Gain Bandwidth Product:- 
-3db Bandwidth:13 MHz
Current - Input Bias:30 pA
Voltage - Input Offset:250 µV
Current - Supply:3.5mA
Current - Output / Channel:25 mA
Voltage - Supply Span (Min):9 V
Voltage - Supply Span (Max):36 V
Operating Temperature:0°C ~ 70°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number AD744KR AD744KRZ AD744JR AD744KN
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete
Amplifier Type J-FET J-FET J-FET J-FET
Number of Circuits 1 1 1 1
Output Type - - - -
Slew Rate 75V/µs 75V/µs 75V/µs 75V/µs
Gain Bandwidth Product - - - -
-3db Bandwidth 13 MHz 13 MHz 13 MHz 13 MHz
Current - Input Bias 30 pA 30 pA 30 pA 30 pA
Voltage - Input Offset 250 µV 250 µV 300 µV 250 µV
Current - Supply 3.5mA 3.5mA 3.5mA 3.5mA
Current - Output / Channel 25 mA 25 mA 25 mA 25 mA
Voltage - Supply Span (Min) 9 V 9 V 9 V 9 V
Voltage - Supply Span (Max) 36 V 36 V 36 V 36 V
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-PDIP

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