Datasheet for AD7452:
- Manufacturer Part Number : AD7452
- Manufacturer : AD
- Description : Differential Input, 555 kSPS, 12-Bit A/D Converter in 8-Lead SOT-23
- Series : AD7452
- Reference Price : USD 3.384
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Single Channel 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 : AD7452
- 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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- Specified for VDD of 3 V and 5 V
- Low power at max throughput rate
3.3 mW max at 555 kSPS with 3 V supplies
7.25 mW max at 555 kSPS with 5 V supplies - Fully differential analog input
- Wide input bandwidth
70 dB SINAD at 100 kHz input frequency
- Flexible power/serial clock speed management
- No pipeline delays
- High speed serial interface
SPI/QSPI™/MICROWIRE™/ DSP compatible - Power-down mode: 1 μA max
- 8-lead SOT-23 package
The AD74521 is a 12-bit, high speed, low power, successive-approximation (SAR) analog-to-digital converter that features a fully differential analog input. This part operates from a single 3 V or 5 V power supply and features throughput rates up to 555 kSPS.
The part contains a low noise, wide bandwidth, differential track-and-hold amplifier (T/H) that can handle input frequencies up to 3.5 MHz. The reference voltage is applied externally to the VREF pin and can be varied from 100 mV to 3.5 V depending on the power supply and what suits the application. The value of the reference voltage determines the common mode voltage range of the part. With this truly differential input structure and variable reference input, the user can select a variety of input ranges and bias points.
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 signals are sampled on the falling edge of CS and the conversion is also initiated at this point.
The SAR architecture of this part ensures that there are no pipeline delays.
The AD7452 uses advanced design techniques to achieve very low power dissipation at high throughput rates.
1 Protected by U.S. Patent Number 6,681,332.
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.