Datasheet for AD7608:
- Manufacturer Part Number : AD7608
- Manufacturer : AD
- Description : 8-Channel DAS with 18-Bit, Bipolar, Simultaneous Sampling ADC
- Series : AD7608
- Reference Price : USD 16.4
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Simultaneous Sampling A/D Converters
- Current Suggest : Recommended for New Designs
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : AD7608
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 8 simultaneously sampled inputs
- True bipolar analog input ranges: ±10 V, ±5 V
- Single 5 V analog supply and 2.3 V to 5.25 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
- 18-bit ADC with 200 kSPS on all channels
- Oversampling capability with digital filter
- Flexible parallel/serial interface
- SPI/QSPI™/MICROWIRE™/DSP compatible
- Pin compatible solutions from 14-bits to 18-bits
- Performance
- 7 kV ESD rating on analog input channels
- 98 dB SNR, −107 dB THD
- Low power: 100 mW
- Standby mode: 25 mW
- 64-lead LQFP package
The AD7608 is an 18-bit, 8-channel simultaneous sampling, analog-to-digital data acquisition system (DAS). The part contains analog input clamp protection, a second-order antialiasing filter, a track-and-hold amplifier, an 18-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 AD7608 operates 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 AD7608 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 AD7608 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 controls
- Instrumentation and control systems
- Multiaxis positioning systems
- Data acquisition systems (DAS)
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.
