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Manufacturer / Brand: AD
Details: 4-Channel, 16-Bit, Continuous Time Data Acquisition ADC
Series: ADAR7251
Quantity Available: Over 84740 pieces
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Product Parameters
- Manufacturer Part Number : ADAR7251
- Manufacturer : AD
- Description : 4-Channel, 16-Bit, Continuous Time Data Acquisition ADC
- Series : ADAR7251
- Reference Price : USD 7.2
- 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 : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : ADAR7251
- 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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Features and Benefits of ADAR7251
- Low noise: 2.4 nV/√Hz input referred voltage noise at maximum gain setting
- Wide input signal bandwidth: 500 kHz at 1.2 MSPS sample rate, 16-bit resolution
- Additional sample rates supported: 300 kSPS, 450 kSPS, 600 kSPS, 900 kSPS, and 1.8 MSPS
- 4 differential simultaneous sampling channels
- No active antialiasing filter required
- LNA and PGA with 45 dB gain range in 6 dB steps
- Selectable equalizer
- Flexible data port supports serial or parallel mode
- Supports FSK mode for FMCW radar systems
- On-chip 1.5 V reference
- Internal oscillator/PLL input: 16 MHz to 54 MHz High speed serial data interface
- See datasheet for additional features
Product Detailed Description for ADAR7251
The ADAR7251 is a 16-bit, 4-channel, simultaneous sampling analog-to-digital converter (ADC) designed especially for applications such as automotive LSR-FMCW or FSK-FMCW radar systems. Each of the four channels contains a low noise amplifier (LNA), a programmable gain amplifier (PGA), an equalizer, a multibit Σ-Δ ADC, and a decimation filter.
The front-end circuitry is designed to allow direct connection to an MMIC output with few external passive components. The ADAR7251 eliminates the need for a high order antialiasing filter, driver op amps, and external bipolar supplies. The ADAR7251 also offers precise channel-to-channel drift matching.
The ADAR7251 features an on-chip phase-locked loop (PLL) that allows a range of clock frequencies for flexibility in the system. The CONV_START input and DATA_READY output signals synchronize the ADC with an external ramp for applications such as FSK-FMCW radar.
The ADAR7251 supports serial and parallel interfaces at programmable sample rates from 300 kSPS to 1.8 MSPS, as well as easy connections to digital signal processors (DSPs) and microcontroller units (MCUs) in the system.
The front-end circuitry is designed to allow direct connection to an MMIC output with few external passive components. The ADAR7251 eliminates the need for a high order antialiasing filter, driver op amps, and external bipolar supplies. The ADAR7251 also offers precise channel-to-channel drift matching.
The ADAR7251 features an on-chip phase-locked loop (PLL) that allows a range of clock frequencies for flexibility in the system. The CONV_START input and DATA_READY output signals synchronize the ADC with an external ramp for applications such as FSK-FMCW radar.
The ADAR7251 supports serial and parallel interfaces at programmable sample rates from 300 kSPS to 1.8 MSPS, as well as easy connections to digital signal processors (DSPs) and microcontroller units (MCUs) in the system.
Applications
- Automotive LSR systems
- Data acquisition systems
Lifecycle information of ADAR7251
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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