Overview
The AD7468BRT-R2 is a high-speed, low-power, 8-bit successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single 1.6 V to 3.6 V power supply, making it suitable for a variety of applications requiring low power consumption and high throughput rates. The AD7468BRT-R2 features a throughput rate of up to 320 kSPS and is available in a compact 6-lead SOT-23 package, enhancing its usability in space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Test Conditions/Comments |
|---|---|---|---|
| Resolution | 8-bit | ||
| Throughput Rate | Up to 320 kSPS | ||
| Conversion Time | 2.94 μs max | 10 SCLK cycles with SCLK at 3.4 MHz | |
| Power Supply Range | 1.6 V to 3.6 V | V | |
| Current Consumption (Normal Mode) | 120 μA max (at VDD = 1.8 V, fSAMPLE = 100 kSPS) | μA | Digital inputs = 0 V or VDD |
| Current Consumption (Power-Down Mode) | 0.1 μA max, typically 8 nA | μA | SCLK on or off |
| Package Type | 6-lead SOT-23 | ||
| Operating Temperature Range | −40°C to +85°C | °C |
Key Features
- High-speed serial interface compatible with SPI/QSPI™/MICROWIRE™/DSP
- No pipeline delays
- Automatic power-down mode with low current consumption (typically 8 nA)
- Flexible power and serial clock speed management
- Low noise and high SNR (71 dB at 30 kHz input frequency)
- Compact 6-lead SOT-23 package
Applications
- Battery-powered systems
- Medical instruments
- Remote data acquisition
- Isolated data acquisition
Q & A
- What is the resolution of the AD7468BRT-R2 ADC?
The AD7468BRT-R2 is an 8-bit ADC. - What is the maximum throughput rate of the AD7468BRT-R2?
The maximum throughput rate is up to 320 kSPS. - What is the power supply range for the AD7468BRT-R2?
The power supply range is from 1.6 V to 3.6 V. - How much current does the AD7468BRT-R2 consume in normal operation at 1.8 V and 100 kSPS?
The current consumption is 120 μA max. - What is the current consumption in power-down mode?
The current consumption in power-down mode is typically 8 nA. - What type of package does the AD7468BRT-R2 come in?
The AD7468BRT-R2 comes in a 6-lead SOT-23 package. - What is the operating temperature range of the AD7468BRT-R2?
The operating temperature range is −40°C to +85°C. - Is the AD7468BRT-R2 compatible with SPI interfaces?
Yes, it is compatible with SPI/QSPI™/MICROWIRE™/DSP interfaces. - Does the AD7468BRT-R2 have automatic power-down capability?
Yes, it has an automatic power-down mode. - What are some typical applications of the AD7468BRT-R2?
Typical applications include battery-powered systems, medical instruments, remote data acquisition, and isolated data acquisition.
