Overview
The AD8137YR from Analog Devices Inc. is a low-cost, low-power differential driver designed to drive Analog-to-Digital Converters (ADCs) in systems that are sensitive to power and cost. This device features a rail-to-rail output and is manufactured using Analog Devices' proprietary second-generation XFCB process, enabling high performance with minimal power consumption. The AD8137YR is easy to apply and offers flexible gain configurations, making it suitable for a variety of applications.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage Range | 2.7 V to 12 V |
| Input Offset Voltage | ±2.6 mV max |
| Input Offset Current | 0.45 µA max |
| Input Resistance (Differential) | 800 KΩ |
| Input Capacitance (Common-mode) | 1.8 pF |
| CMRR | 66 dB to 79 dB |
| Output Voltage Swing (each single-ended output) | VS+ - 0.55 V to VS- + 0.55 V |
| Output Current | 20 mA |
| Bandwidth (-3 dB) | 58 MHz |
| Slew Rate | 63 V/µs |
| Operating Temperature Range | -40°C to +125°C |
| Package | 8-Lead SOIC, 3 mm × 3 mm LFCSP |
Key Features
- Rail-to-rail output
- Differential input and output, with single-ended-to-differential operation capability
- Adjustable output common-mode voltage controlled by a single pin
- Externally adjustable gain using four resistors
- Power-down feature for low power applications
- Inherently balanced outputs and suppression of even-order harmonic distortion products
- Compact 8-lead SOIC and 3 mm × 3 mm LFCSP packages
Applications
- Driving ADCs in power and cost-sensitive systems
- Automotive vision and safety systems
- Automotive infotainment systems
- Portable instrumentation
- Battery-powered applications
- Single-ended-to-differential converters
- Differential active filters
- Video amplifiers
- Level shifters
- Medical equipment
- Industrial controls
- Test instrumentation
Q & A
- What is the primary function of the AD8137YR?
The AD8137YR is a differential driver designed to drive Analog-to-Digital Converters (ADCs) in systems sensitive to power and cost. - What is the supply voltage range of the AD8137YR?
The supply voltage range is from 2.7 V to 12 V. - What are the input offset voltage and current specifications?
The input offset voltage is ±2.6 mV max, and the input offset current is 0.45 µA max. - What is the CMRR of the AD8137YR?
The CMRR is between 66 dB and 79 dB. - What are the package options for the AD8137YR?
The device is available in 8-lead SOIC and 3 mm × 3 mm LFCSP packages. - What is the operating temperature range of the AD8137YR?
The operating temperature range is from -40°C to +125°C. - Can the AD8137YR be used in automotive applications?
Yes, it is qualified for automotive applications, including vision and safety systems and infotainment systems. - Does the AD8137YR have a power-down feature?
Yes, it has a power-down feature beneficial for critical low power applications. - How is the output common-mode voltage controlled?
The output common-mode voltage is controlled by the voltage applied to a single pin. - What are some common applications of the AD8137YR?
Common applications include driving ADCs, portable instrumentation, battery-powered applications, and medical equipment.
