Overview
The AD7888ARUZ-REEL7 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single 2.7 V to 5.25 V power supply and is designed for applications requiring high throughput rates and low power consumption. The AD7888 features eight single-ended analog inputs, an on-chip 2.5 V reference, and a serial interface compatible with SPI, QSPI, MICROWIRE, and DSP protocols. It is housed in a 16-lead TSSOP package, offering significant space-saving advantages.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Throughput Rate | 125 kSPS |
| Power Supply | 2.7 V to 5.25 V |
| Analog Input Range | 0 to VREF (1.2 V to VDD) |
| Input Channels | 8 single-ended inputs (AIN1 to AIN8) |
| On-Chip Reference | 2.5 V, enable/disable via Control Register |
| Package Type | 16-lead TSSOP |
| Operating Temperature | -40°C to +105°C |
| Interface Compatibility | SPI, QSPI, MICROWIRE, DSP |
Key Features
- High-speed conversion with a throughput rate of 125 kSPS
- Low power consumption, suitable for battery-powered systems
- Eight single-ended analog inputs with an on-chip multiplexer
- On-chip 2.5 V reference that can be enabled or disabled
- Serial interface compatible with SPI, QSPI, MICROWIRE, and DSP protocols
- Compact 16-lead TSSOP package for space-saving designs
- Input track-and-hold acquires a signal in 500 ns
Applications
- Battery-Powered Systems: Personal Digital Assistants, Medical Instruments, Mobile Communications
- Instrumentation and Control Systems
- High-Speed Modems
Q & A
- What is the resolution of the AD7888 ADC?
The AD7888 has a 12-bit resolution. - What is the throughput rate of the AD7888?
The AD7888 has a throughput rate of 125 kSPS. - What is the power supply range for the AD7888?
The AD7888 operates from a single 2.7 V to 5.25 V power supply. - How many analog input channels does the AD7888 have?
The AD7888 has eight single-ended analog input channels. - Is the AD7888 compatible with any specific serial interfaces?
Yes, the AD7888 is compatible with SPI, QSPI, MICROWIRE, and DSP protocols. - What is the operating temperature range of the AD7888?
The AD7888 operates from -40°C to +105°C. - Does the AD7888 have an on-chip reference voltage?
Yes, the AD7888 has an on-chip 2.5 V reference that can be enabled or disabled via the Control Register. - What type of package does the AD7888 come in?
The AD7888 is housed in a 16-lead TSSOP package. - What is the input track-and-hold acquisition time for the AD7888?
The input track-and-hold acquires a signal in 500 ns. - Can the AD7888 be used in battery-powered systems?
Yes, the AD7888 is suitable for battery-powered systems due to its low power consumption.
