Datasheet for AD7266BSUZ-REEL7:
- Manufacturer Part Number : AD7266BSUZ-REEL7
- Manufacturer : AD
- Description : Differential/Single-Ended Input, Dual, Simultaneous Sampling, 2 MSPS, 12-Bit, 3-Channel SAR A/D Converter IC
- Series : AD7266
- Reference Price : USD 3.624
- 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 : ROHS Compliant (Lead Free)
- Package Type : 32 ld TQFP (7x7x1.0mm) - Enhanced Product
- Pins : 32
- MFG Package Case : SU-32-2
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 500
- Working Temperature : -40 to 125C
- Other Part Number : AD7266BSUZ-REEL7
- 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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- Dual 12-bit, 3-channel ADC
- Throughput rate: 2 MSPS
- Specified for VDD of 2.7 V to 5.25 V
- Power consumption:
9 mW at 1.5 MSPS with 3 V supplies
27 mW at 2 MSPS with 5 V supplies - Pin-configurable analog inputs
12-channel single-ended inputs
6-channel fully differential inputs
6-channel pseudo differential inputs
70 dB SNR at 50 kHz input frequency
- Accurate on-chip reference: 2.5 V ±0.2% maximum @ 25°C, 20 ppm/°C maximum
- Dual conversion with read 437.5 ns, 32 MHz SCLK
- High speed serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible
- −40°C to +125°C operation
- Shutdown mode: 1 μA maximum
- 32-lead LFCSP and 32-lead TQFP
The AD7266 is a dual, 12-bit, high speed, low power, successive approximation ADC that operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 2 MSPS. The device contains two ADCs, each preceded by a 3-channel multiplexer, and a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 30 MHz.
The conversion process and data acquisition use standard control inputs allowing easy interfacing to microprocessors or DSPs. The input signal is sampled on the falling edge of CS; conversion is also initiated at this point. The conversion time is determined by the SCLK frequency. There are no pipelined delays associated with the part.
The AD7266 uses advanced design techniques to achieve very low power dissipation at high throughput rates. With 5 V supplies and a 2 MSPS throughput rate, the part consumes 6.2 mA maximum. The part also offers flexible power/throughput rate management when operating in normal mode as the quiescent current consumption is so low.
The analog input range for the part can be selected to be a 0 V to VREF (or 2 × VREF) range, with either straight binary or twos complement output coding. The AD7266 has an on-chip 2.5 V reference that can be overdriven when an external reference is preferred. This external reference range is 100 mV to VDD.
Product Highlights
- Two Complete ADC Functions Allow Simultaneous Sampling and Conversion of Two Channels. Each ADC has three fully/pseudo differential pairs, or six single-ended channels, as programmed. The conversion result of both channels is simultaneously available on separate data lines, or in succession on one data line if only one serial port is available.
- High Throughput with Low Power Consumption. The AD7266 offers a 1.5 MSPS throughput rate with 11.4 mW maximum power dissipation when operating at 3 V.
- The AD7266 offers both a standard 0 V to VREF input range and a 2 × V input range.
- No Pipeline Delay. The part features two standard successive approximation ADCs with accurate control of the sampling instant via a CS input and once off conversion control.
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.
