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Overview
Features and Benefits
- 8/6/4 simultaneously sampled inputs
- True bipolar analog input ranges: ±10 V, ±5 V
- Single 5 V analog supply and 2.3 V to 5 V VDRIVE
- Fully integrated data acquisition solution
- Analog input clamp protection
- Input buffer with 1 MΩ analog input impedance
- Second-order antialiasing analog filter
- On-chip accurate reference and reference buffer
- 16-bit ADC with 200 kSPS on all channels
- Oversampling capability with digital filter
- Flexible parallel/serial interface
- SPI/QSPI™/MICROWIRE™/DSP compatible
- Performance
- 7 kV ESD rating on analog input channels
- 95.5 dB SNR, −107 dB THD
- ±0.5 LSB INL, ±0.5 LSB DNL
- Low power: 100 mW
- Standby mode: 25 mW
- Temperature range: −40°C to +85°C
- 64-lead LQFP package
Product Details
The AD7606/AD7606-6/AD7606-4 are 16-bit, simultaneous sampling, analog-to-digital data acquisition systems (DAS) with eight, six, and four channels, respectively. Each part contains analog input clamp protection, a second-order antialiasing filter, a track-and-hold amplifier, a 16-bit charge redistribution successive approximation analog-to-digital converter (ADC), a flexible digital filter, a 2.5 V reference and reference buffer, and high speed serial and parallel interfaces.
The AD7606/AD7606-6/AD7606-4 operate from a single 5 V supply and can accommodate ±10 V and ±5 V true bipolar input signals while sampling at throughput rates up to 200 kSPS for all channels. The input clamp protection circuitry can tolerate voltages up to ±16.5 V. The AD7606 has 1 MΩ analog input impedance regardless of sampling frequency. The single supply operation, on-chip filtering, and high input impedance eliminate the need for driver op amps and external bipolar supplies. The AD7606/AD7606-6/AD7606-4 antialiasing filter has a 3 dB cutoff frequency of 22 kHz and provides 40 dB antialias rejection when sampling at 200 kSPS. The flexible digital filter is pin driven, yields improvements in SNR, and reduces the 3 dB bandwidth.
Applications
- Power-line monitoring and protection systems
- Multiphase motor control
- Instrumentation and control systems
- Multiaxis positioning systems
- Data acquisition systems (DAS)
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Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Documentation
Software & Systems Requirements
Evaluation Software
Reference Designs (1)
Product Recommendations
AD7606-4 Companion Parts
Recommended Digital Isolators
- For high performance, low power, bidirectional communication with integrated isolated power: ADUM5402.
- For isolated power in 3.3V or 5V outputs: ADUM5000.
- For high performance, low power, bidirectional communication: ADUM1402.
Recommended External 2.5V Voltage Reference
Reference Materials
Technical Articles (1)
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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Sample & Buy
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
