AD8045:  3 nV/√Hz Ultralow Distortion Voltage Feedback High Speed Amplifier

The AD8045 is a unity gain stable voltage feedback amplifier with ultralow distortion, low noise, and high slew rate. With a spurious-free dynamic range of -90 dBc @ 20 MHz, the AD8045 is an ideal ...More

AD8045:  3 nV/√Hz Ultralow Distortion Voltage Feedback High Speed Amplifier

Product Description

The AD8045 is a unity gain stable voltage feedback amplifier with ultralow distortion, low noise, and high slew rate. With a spurious-free dynamic range of -90 dBc @ 20 MHz, the AD8045 is an ideal solution in a variety of applications, including ultrasound, ATE, active filters, and ADC drivers. ADI's proprietary next generation XFCB process and innovative architecture enables such high performance amplifiers.

The AD8045 features a low distortion pin out for the LFCSP, which improves second harmonic distortion and simplifies the layout of the circuit board.

The AD8045 amplifier is available in a 3 mm x 3 mm LFCSP as well as the standard 8-lead SOIC. Both packages feature an exposed paddle that provides a low thermal resistance path to the PCB. This enables a more efficient heat transfer, and increases reliability. The AD8045 works over the extended industrial temperature range (-40°C to +125°C).

Features

  • Ultralow distortion
  • SFDR
    -101 dBc @ 5 MHz
    -90 dBc @ 20 MHz
    -63 dBc @ 70 MHz
  • Third-order intercept
    43 dBm @ 10 MHz
  • Low noise
    3 nV/√Hz
    3 pA/√Hz
  • High speed
    1 GHz, -3 dB bandwidth (G = +1)
    1350 V/µs slew rate
    7.5 ns settling time to 0.1%
  • Standard and low distortion pin out
  • Supply current: 15 mA
  • Offset voltage: 1.0 mV max
  • Wide supply voltage range: 3.3V to 12V

Diagrams

AD8045 Diagram
Connection Diagram for AD8045

Specifications

V or I Feedback Voltage
Min Stable Acl 1V/V
Packages CSP,SOIC
Rail-Rail Out No
Slew Rate 1350V/µs
-3dB Bandwidth 1GHz
Supply Current (max) 16mA
THD (-dB) 102dB
Type BiPolar,Video
Vcc-Vee 3.3V to 12V
Input Noise (nV/rtHz) 3nV/rtHz

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Part# -3dB Bandwidth Slew Rate Min Stable Acl Rail-Rail Out THD (-dB) Input Noise (nV/rtHz) Vcc-Vee Supply Current (max) Features Packages Price* (1000-4999)
AD8051 110MHz 170V/µs 1V/V Yes 68 16nV/rtHz 3V to 12V 5.5 Rail-to-Rail, Single Supply SOIC, SOT $0.86
AD8052 110MHz 170V/µs 1V/V Yes 68 16nV/rtHz 3V to 12V 11 Rail-to-Rail, Single Supply SOIC, SOP $1.62
AD8091 110MHz 170V/µs 1V/V Yes 71 16nV/rtHz 3V to 12V 5.5 Rail-to-Rail, Single Supply SOIC, SOT $0.70
AD8092 110MHz 170V/µs 1V/V Yes 71 16nV/rtHz 3V to 12V 11 Rail-to-Rail, Single Supply SOIC, SOP $0.90
AD829 120MHz 230V/µs 1V/V No n/a 1.7nV/rtHz 9V to 36V 6.5 Comp Pin, Null DIP, LCC, SOIC $2.52
ADA4851-4 130MHz 375V/µs 1V/V Yes 83 10nV/rtHz 2.7V to 12V 12.8 Rail-to-Rail, Single Supply SOP $1.10
ADA4851-2 130MHz 375V/µs 1V/V Yes 83 10nV/rtHz 2.7V to 12V 6.4 Rail-to-Rail, Single Supply SOP $0.70
AD8054 150MHz 145V/µs 1V/V Yes 68 16nV/rtHz 3V to 12V 13.6 Single Supply SOIC, SOP $2.88
AD8044 160MHz 190V/µs 1V/V Yes 75 16nV/rtHz 3V to 12V 13.6 Rail-to-Rail, Single Supply DIP, SOIC $4.00
AD8041 170MHz 170V/µs 1V/V Yes 72 16nV/rtHz 3V to 12V 6.5 Disable, Power Down, Rail-to-Rail, Single Supply DIP, SOIC $1.95
AD8042 170MHz 225V/µs 1V/V Yes