AD7476-EP Datasheet
12-Bit ADC in 6-Lead SOT-23
12-Bit ADC in 6-Lead SOT-23
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The AD7476 is a 12-bit, high speed, low power, successive approximation ADC. The part operates from a single 2.35 V to 5.25 V power supply and features throughput rates up to 600 kSPS. The part contains a low noise, wide bandwidth, track-and-hold amplifier that can handle input frequencies in excess of 6 MHz.
The conversion process and data acquisition are controlled using CS and the serial clock, allowing the device to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is initiated at this point. There are no pipeline delays associated with this part.
The AD7476 uses advanced design techniques to achieve very low power dissipation at high throughput rates.
The reference for the part is taken internally from VDD. This allows the widest dynamic input range to the ADC. Thus, the analog input range for the part is 0 V to VDD. The conversion rate is determined by the SCLK pin.
Additional application and technical information can be found in the AD7476 data sheet.
PRODUCT HIGHLIGHTS
1. First 12-Bit ADC in a SOT-23 Package.
2. High Throughput with Low Power Consumption.
3. Flexible Power/Serial Clock Speed Management. The conversion rate is determined by the serial clock, allowing the conversion time to be reduced through the serial clock speed increase. This allows the average power consumption to be reduced while not converting. The part also features a shutdown mode to maximize power efficiency at lower throughput rates. Current consumption is 1 μA maximum when in shutdown mode.
4. Reference Derived from the Power Supply.
5. No Pipeline Delay. The part features a standard successive approximation ADC with accurate control of the sampling instant via a CS input and once-off conversion control.