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Alternatives to Analog Devices AD8337BCPZ-R2

Analog Devices AD8337BCPZ-R2 and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for Analog Devices AD8337BCPZ-R2

AD8337BCPZ-R2 compared against its qualified second sources
AD8337BCPZ-R2Analog DevicesAD8336ACPZ-R7Analog Devices Inc.VCA821IDGSTTexas Instruments+1more
FFF CompatibilityThe AD8336 uses a 16-pin LFCSP package compared to the 8-pin LFCSP package of the AD8337, resulting in a completely different pin layout.The AD8336 has a larger physical footprint of 4 mm x 4 mm x 0.85 mm compared to the AD8337's 3 mm x 3 mm x 0.75 mm footprint.Features a similar internal architecture comprising an uncommitted preamplifier and a variable gain amplifier (VGA) with linear-in-dB scaling, matching or exceeding all key electrical capabilities.The VCA821IDGST uses a 10-pin VSSOP package with different pin assignments, making it physically incompatible with the AD8337's 8-pin LFCSP footprint.Housed in a leaded 10-VSSOP package rather than a leadless 8-LFCSP, requiring physical component space changes.Provides precise continuously variable linear-in-dB voltage-controlled gain with excellent high-frequency characteristics that meet and exceed the AD8337's baseline specifications.
AI Summary

AD8337BCPZ-R2 by Analog Devices: Variable Gain Amplifier IC Signal Processing 8-LFCSP (3x3).

The AD8336 is a high-performance, active sibling in the X-AMP family that serves as an excellent functional alternative to the obsolete AD8337. It shares the same core DC-coupled, linear-in-dB VGA architecture but requires a layout redesign due to its larger 16-pin package.

  • Uses the same X-AMP® architecture and DC-coupled configuration
  • Same manufacturer (Analog Devices) ensures high behavioral similarity
  • Supports a much wider supply voltage range up to ±15 V
  • Requires PCB layout redesign due to different package and footprint
  • Slightly higher nominal supply current

The VCA821 is an active, high-bandwidth alternative from Texas Instruments providing linear-in-dB gain control. While it easily exceeds the frequency performance of the AD8337, it lacks the integrated, uncommitted preamplifier stage of the original part, requiring external pre-buffering if that block was utilized in the application.

  • Outstanding high bandwidth of 710 MHz easily exceeds the original 280 MHz specification
  • True linear-in-dB gain control scaling
  • Extremely fast slew rate of 2500 V/µs
  • Requires layout redesign for 10-pin leaded VSSOP package
  • Higher quiescent current (34 mA typ vs 15.5 mA typ)
Lifecycle StatusObsoleteActiveActive
Market AvailabilityNon-stockIn stockIn stock
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