Overview
The AD7468BRM is a high-performance, low-power 8-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device operates from a single 1.6 V to 3.6 V power supply and is designed for applications requiring high speed and low power consumption. The AD7468BRM features a successive approximation architecture, providing throughput rates up to 200 kSPS with minimal power dissipation. It is available in 8-lead MSOP and 8-lead TSSOP packages, making it suitable for a variety of space-constrained and power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Sampling Rate | Up to 200 kSPS |
| Supply Voltage | 1.6 V to 3.6 V |
| Package Type | 8-lead MSOP, 8-lead TSSOP |
| Conversion Time | 4.7 μs |
| Integral Nonlinearity (INL) | ±0.2 LSB |
| Differential Nonlinearity (DNL) | ±0.2 LSB |
| Signal to Noise Ratio (SNR) | 71 dB at 30 kHz input frequency |
| Interface | SPI, QSPI™, MICROWIRE™, DSP compatible |
| Power Consumption (Typical) | 8 nA in power-down mode |
Key Features
- High speed serial interface compatible with SPI, QSPI™, MICROWIRE™, and DSP.
- No pipeline delays, ensuring real-time data conversion.
- Automatic power-down feature to reduce average power consumption.
- Low noise and high accuracy with ±0.2 LSB INL and DNL.
- Flexible power and serial clock speed management.
- Single-ended analog input channel with an input range of 0 V to VDD.
Applications
- Battery-powered systems.
- Medical instruments.
- Remote data acquisition.
- Isolated data acquisition.
Q & A
- What is the resolution of the AD7468BRM ADC?
The AD7468BRM is an 8-bit analog-to-digital converter. - What is the operating voltage range of the AD7468BRM?
The AD7468BRM operates from a single 1.6 V to 3.6 V power supply. - What is the maximum sampling rate of the AD7468BRM?
The maximum sampling rate is up to 200 kSPS. - What types of packages are available for the AD7468BRM?
The AD7468BRM is available in 8-lead MSOP and 8-lead TSSOP packages. - What is the conversion time of the AD7468BRM?
The conversion time is 4.7 μs. - Does the AD7468BRM have automatic power-down capability?
Yes, the AD7468BRM features automatic power-down after conversion to reduce average power consumption. - What is the typical power consumption in power-down mode?
The typical power consumption in power-down mode is 8 nA. - What interfaces are supported by the AD7468BRM?
The AD7468BRM supports SPI, QSPI™, MICROWIRE™, and DSP compatible interfaces. - What is the signal to noise ratio (SNR) of the AD7468BRM?
The SNR is 71 dB at a 30 kHz input frequency. - What are some common applications of the AD7468BRM?
Common applications include battery-powered systems, medical instruments, remote data acquisition, and isolated data acquisition.
