Overview
The AD8138ARM-REEL7, produced by Analog Devices Inc., is a low distortion differential ADC driver. This component is designed to simplify differential signal amplification and driving, making it as easy to use as an operational amplifier. It is manufactured on Analog Devices' proprietary XFCB bipolar process, which ensures high performance and low harmonic distortion.
The AD8138ARM-REEL7 is particularly useful in applications requiring high-speed signal processing, such as driving high-performance analog-to-digital converters (ADCs), single-ended-to-differential conversion, and common-mode level-shifting. It eliminates the need for transformers, preserving low frequency and DC information, and provides balanced output gain and phase matching.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | ±5.5V / 11V | V |
| Bandwidth | 320 MHz | MHz |
| Harmonic Distortion | -94 dBc @ 5 MHz, -85 dBc @ 20 MHz | dBc |
| Input Voltage Noise | 5 nV/√Hz | nV/√Hz |
| Power Consumption | 90 mW @ 5 V | mW |
| Operating Temperature Range | -55°C to +105°C | °C |
| Package Type | 8-Pin MSOP | - |
Key Features
- Low Harmonic Distortion: Delivers a differential signal with very low harmonic distortion, making it ideal for high-performance ADC drivers and communication systems.
- High Bandwidth: Features a -3 dB bandwidth of 320 MHz, suitable for high-speed signal processing applications.
- Adjustable Output Common-Mode Voltage: The common-mode level of the differential output is adjustable via the VOCM pin, allowing for easy level-shifting of input signals.
- Fast Settling and Overdrive Recovery: Fast settling to 0.01% in 16 ns and fast overdrive recovery in 4 ns, ensuring high accuracy in sampling applications.
- Low Power Consumption: Operates with low power consumption of 90 mW on a 5 V supply.
- Enhanced Product Features for Defense and Aerospace: Supports extended temperature range, controlled manufacturing baseline, and enhanced product change notification, making it suitable for defense and aerospace applications.
Applications
- ADC Drivers: Ideal for driving high-performance ADCs, preserving low frequency and DC information without the need for transformers.
- Single-Ended-to-Differential Converters: Can be used as a single-ended-to-differential amplifier or as a differential-to-differential amplifier.
- IF and Baseband Gain Blocks: Suitable for use as gain blocks in intermediate frequency (IF) and baseband signal chains due to its high bandwidth and IP3 performance.
- Differential Buffers and Line Drivers: Effective as differential buffers and line drivers in various signal processing and data acquisition applications.
Q & A
- What is the primary function of the AD8138ARM-REEL7?
The AD8138ARM-REEL7 is a low distortion differential ADC driver, designed to simplify differential signal amplification and driving.
- What is the bandwidth of the AD8138ARM-REEL7?
The bandwidth is 320 MHz.
- What is the harmonic distortion performance of the AD8138ARM-REEL7?
The harmonic distortion is -94 dBc at 5 MHz and -85 dBc at 20 MHz.
- How does the AD8138ARM-REEL7 adjust the output common-mode voltage?
The output common-mode voltage is adjustable via the VOCM pin.
- What is the power consumption of the AD8138ARM-REEL7?
The power consumption is 90 mW on a 5 V supply.
- What are the typical applications of the AD8138ARM-REEL7?
Typical applications include ADC drivers, single-ended-to-differential converters, IF and baseband gain blocks, and differential buffers and line drivers.
- What is the operating temperature range of the AD8138ARM-REEL7?
The operating temperature range is -55°C to +105°C.
- What package type is the AD8138ARM-REEL7 available in?
The AD8138ARM-REEL7 is available in an 8-Pin MSOP package.
- Does the AD8138ARM-REEL7 support defense and aerospace applications?
Yes, it supports extended temperature range, controlled manufacturing baseline, and enhanced product change notification, making it suitable for defense and aerospace applications.
- How does the AD8138ARM-REEL7 handle overdrive recovery?
The AD8138ARM-REEL7 features fast overdrive recovery in 4 ns, ensuring high accuracy in sampling applications.
