Overview
The AD7912ARM is a high-speed, low-power, 2-channel successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single power supply ranging from 2.35 V to 5.25 V and features throughput rates of up to 1 million samples per second (MSPS). The AD7912 is a 10-bit ADC, 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 Range | 2.35 V to 5.25 V |
| Power Consumption | 4.8 mW typ at 1 MSPS with 3 V supplies, 15.5 mW typ at 1 MSPS with 5 V supplies |
| Input Bandwidth | Exceeds 6 MHz |
| SNR at 100 kHz Input Frequency | 71 dB minimum |
| Package Type | 8-lead MSOP, 8-lead TSOT |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Fast throughput rate: Up to 1 MSPS
- Low power consumption: 4.8 mW typ at 1 MSPS with 3 V supplies, 15.5 mW typ at 1 MSPS with 5 V supplies
- Wide input bandwidth: Exceeds 6 MHz
- Flexible power/serial clock speed management
- No pipeline delays
- High speed serial interface: SPI/QSPI/MICROWIRE/DSP compatible
- Standby mode: 1 µA maximum
- Daisy-chain mode
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 AD7912ARM ADC?
The AD7912ARM is a 10-bit ADC.
- What is the maximum throughput rate of the AD7912ARM?
The maximum throughput rate is up to 1 MSPS.
- What is the power supply range for the AD7912ARM?
The power supply range is from 2.35 V to 5.25 V.
- How much power does the AD7912ARM consume at 1 MSPS with a 3 V supply?
The power consumption is typically 4.8 mW at 1 MSPS with a 3 V supply.
- What is the input bandwidth of the AD7912ARM?
The input bandwidth exceeds 6 MHz.
- What is the SNR at a 100 kHz input frequency for the AD7912ARM?
The SNR is 71 dB minimum at a 100 kHz input frequency.
- What types of packages are available for the AD7912ARM?
The AD7912ARM is available in 8-lead MSOP and 8-lead TSOT packages.
- What is the operating temperature range for the AD7912ARM?
The operating temperature range is -40°C to +85°C.
- Is the AD7912ARM compatible with high-speed serial interfaces?
Yes, it is compatible with SPI/QSPI/MICROWIRE/DSP interfaces.
- Does the AD7912ARM have a standby mode?
Yes, the standby mode consumes a maximum of 1 µA.
