Overview
The AD8139ARD-REEL7, produced by Analog Devices Inc., is an ultralow noise, high-performance differential amplifier designed for driving analog-to-digital converters (ADCs) with resolutions up to 18 bits. It features a rail-to-rail output and is manufactured using Analog Devices' proprietary second-generation XFCB process. This amplifier is known for its low noise, high signal-to-noise ratio (SNR), and wide bandwidth, making it an ideal choice for high-precision applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Noise | - | 2.25 | - | nV/√Hz |
| Input Offset Voltage | -0.9 | - | 0.9 | mV |
| Input Bias Current | 1.3 | 4.2 | - | µA |
| Common Mode Rejection Ratio (CMRR) | 67 | 79 | - | dB |
| Supply Voltage Range | ±4.5 | - | ±6 | V |
| Quiescent Current | 21.5 | 25.5 | - | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Bandwidth (-3 dB) | - | 440 | - | MHz |
| Slew Rate | - | 150 | - | V/µs |
| Output Balance Error at 1 MHz | -70 | - | - | dB |
Key Features
- Fully differential input and output
- Low noise: 2.25 nV/√Hz at 100 kHz
- High speed: 440 MHz bandwidth, 150 V/µs slew rate
- Rail-to-rail output
- Adjustable output common-mode voltage
- Low harmonic distortion: 98 dBc SFDR at 1 MHz
- High common-mode rejection ratio (CMRR): up to 79 dB
- Wide supply voltage range: ±4.5 V to ±6 V
- Available in 8-lead SOIC and 8-lead LFCSP packages
Applications
- ADC drivers for up to 18-bit resolutions
- Single-ended-to-differential converters
- Differential filters
- Level shifters
- Differential PCB drivers
- Differential cable drivers
Q & A
- What is the primary application of the AD8139ARD-REEL7?
The AD8139ARD-REEL7 is primarily used as a driver for analog-to-digital converters (ADCs) with resolutions up to 18 bits.
- What is the input voltage noise of the AD8139ARD-REEL7?
The input voltage noise of the AD8139ARD-REEL7 is 2.25 nV/√Hz at 100 kHz.
- What is the bandwidth of the AD8139ARD-REEL7?
The bandwidth of the AD8139ARD-REEL7 is 440 MHz.
- What is the slew rate of the AD8139ARD-REEL7?
The slew rate of the AD8139ARD-REEL7 is 150 V/µs.
- What are the available package types for the AD8139ARD-REEL7?
The AD8139ARD-REEL7 is available in 8-lead SOIC and 8-lead LFCSP packages.
- What is the operating temperature range of the AD8139ARD-REEL7?
The operating temperature range of the AD8139ARD-REEL7 is -40°C to +125°C.
- How is the output common-mode voltage controlled in the AD8139ARD-REEL7?
The output common-mode voltage is controlled by the voltage applied to the VOCM pin.
- What is the common-mode rejection ratio (CMRR) of the AD8139ARD-REEL7?
The CMRR of the AD8139ARD-REEL7 is up to 79 dB.
- What are some other applications of the AD8139ARD-REEL7 besides ADC drivers?
Besides ADC drivers, the AD8139ARD-REEL7 can be used in single-ended-to-differential converters, differential filters, level shifters, differential PCB drivers, and differential cable drivers.
- What is the quiescent current of the AD8139ARD-REEL7?
The quiescent current of the AD8139ARD-REEL7 is typically 25.5 mA.
