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The AD8139ACPZ is an ultra-low-noise, high-performance differential amplifier with rail-to-rail output. It features low noise, high SFDR, and wide bandwidth, making it an ideal choice for driving ADCs with up to 18-bit resolution. The AD8139ACPZ is easy to use, with an internal common-mode feedback architecture that allows the output common-mode voltage to be controlled by applying a voltage to a single pin. The internal feedback loop also provides excellent output balance and suppresses even-order harmonic distortion products. Using the AD8139ACPZ, it is easy to achieve fully differential and single-ended-to-differential gain configurations. A simple external feedback network consisting of four resistors determines the amplifier's closed-loop gain.

The AD8139ACPZ is manufactured using ADI's proprietary second-generation XFCB process, enabling low distortion characteristics with input voltage noise as low as 2.25 nV/√Hz.

The AD8139ACPZ is available in an 8-pin package with an exposed pad (EP) on the bottom, housed in a 3 mm x 3 mm LFCSP package, and rated for operation over a temperature range of -40°C to +125°C.

AD8139ACPZ Features

Fully differential

Low noise

2.25 nV/√Hz

2.1 pA/√Hz

Low harmonic distortion

SFDR: 98 dBc (1 MHz)

SFDR: 85 dBc (5 MHz)

SFDR: 72 dBc (20 MHz)

High speed

3 dB bandwidth: 410 MHz (G = 1)

800 V/µs slew rate

0.01% settling time: 45 ns

69 dB output balance (1 MHz)

80 dB DC CMRR

Low offset: ±0.5 mV (maximum)

Low input offset current: 0.5 µA (maximum)

Differential inputs and outputs  

Differential-to-differential or single-ended-to-differential operation  

Rail-to-rail output  

Adjustable output common-mode voltage  

Wide supply voltage range: 5 V to 12 V

AD8139ACPZ Applications  

ADC driver with up to 18-bit resolution  

Single-ended-to-differential converter  

Differential filter  

Level converter  

Differential PCB driver  

Differential cable driver

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.