Overview
The AD7912AUJ-R2 is a high-speed, low-power, 10-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7912/AD7922 family, which includes 10-bit and 12-bit versions. The AD7912 operates from a single 2.35 V to 5.25 V power supply and features throughput rates of up to 1 MSPS. It is designed for applications requiring high speed and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.35 V to 5.25 V |
| Input Channels | 2 single-ended analog inputs |
| Input Frequency Range | Up to 6 MHz |
| SNR | 71 dB minimum at 100 kHz input frequency |
| Package Type | 8-lead TSOT |
| Operating Temperature Range | -40°C to +85°C |
| Standby Current | 1 µA maximum |
Key Features
- High-speed serial interface: SPI/QSPI/MICROWIRE/DSP compatible
- No pipeline delays
- Flexible power/serial clock speed management
- Daisy-chain mode for multiple ADCs
- Low noise, wide bandwidth track-and-hold amplifier
- Internal reference from VDD for wide dynamic input range
- Low power dissipation at high throughput rates
Applications
- Battery-powered systems
- Personal digital assistants
- Medical instruments
- Mobile communications
- Instrumentation and control systems
- Data acquisition systems
- High-speed modems
- Optical sensors
Q & A
- What is the resolution of the AD7912AUJ-R2?
The AD7912AUJ-R2 has a resolution of 10 bits. - What is the maximum throughput rate of the AD7912AUJ-R2?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7912AUJ-R2?
The power supply range is from 2.35 V to 5.25 V. - How many analog input channels does the AD7912AUJ-R2 have?
The AD7912AUJ-R2 has 2 single-ended analog input channels. - What is the maximum input frequency the AD7912AUJ-R2 can handle?
The AD7912AUJ-R2 can handle input frequencies in excess of 6 MHz. - What is the SNR of the AD7912AUJ-R2 at 100 kHz input frequency?
The SNR is 71 dB minimum at 100 kHz input frequency. - What package type is the AD7912AUJ-R2 available in?
The AD7912AUJ-R2 is available in an 8-lead TSOT package. - What is the operating temperature range of the AD7912AUJ-R2?
The operating temperature range is -40°C to +85°C. - What is the standby current of the AD7912AUJ-R2?
The standby current is 1 µA maximum. - Can multiple AD7912AUJ-R2 ADCs be connected in a daisy chain?
Yes, multiple AD7912AUJ-R2 ADCs can be connected in a daisy-chain mode.
