Overview
The AD7888ARZ from Analog Devices Inc. is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) designed for various data acquisition applications. This ADC operates from a single 2.7 V to 5.25 V power supply and features a throughput rate of 125 kSPS. It is equipped with eight single-ended analog inputs and a multiplexed sample/hold amplifier, making it suitable for systems requiring multiple channel conversions. The AD7888ARZ is known for its precise 12-bit resolution, fast sample rate, and compatibility with SPI, QSPI, MICROWIRE, and DSP interfaces, facilitating easy integration with existing systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AD7888ARZ |
| Manufacturer | Analog Devices Inc. |
| Description | IC ADC 12BIT SRL 125KSPS 16SOIC |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Number of Inputs | 8 single-ended |
| Sampling Rate (Per Second) | 125 kSPS |
| Reference Type | External, Internal |
| Voltage - Supply, Analog/Digital | 2.7 V ~ 5.25 V |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | -40°C ~ 105°C |
| Data Interface | SPI, QSPI, MICROWIRE, DSP |
| Architecture | Successive Approximation Register (SAR) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Precise 12-bit resolution for accurate signal conversion.
- Fast sample rate of 125 kSPS enabling real-time data acquisition.
- Eight single-ended analog inputs with a multiplexed sample/hold amplifier.
- Compatible with SPI, QSPI, MICROWIRE, and DSP interfaces for easy integration.
- Selectable external or internal voltage reference.
- Low power consumption with automatic power-down feature.
- High reliability in extreme temperatures ranging from -40°C to 105°C.
- Supplied in a 16-SOIC package with a width of 3.90mm, suitable for space-saving designs.
Applications
- Battery-powered systems such as personal digital assistants, medical instruments, and mobile communications.
- Instrumentation and control systems.
- High-speed modems.
- Industrial and instrumentation markets requiring precise data conversion.
- High-temperature and harsh environment applications.
Q & A
- What is the resolution of the AD7888ARZ ADC?
The AD7888ARZ has a 12-bit resolution.
- How many analog inputs does the AD7888ARZ have?
The AD7888ARZ has eight single-ended analog inputs.
- What is the sampling rate of the AD7888ARZ?
The sampling rate is 125 kSPS.
- What are the power supply voltage ranges for the AD7888ARZ?
The power supply voltage ranges from 2.7 V to 5.25 V for both analog and digital supplies.
- What types of interfaces does the AD7888ARZ support?
The AD7888ARZ supports SPI, QSPI, MICROWIRE, and DSP interfaces.
- What is the operating temperature range of the AD7888ARZ?
The operating temperature range is from -40°C to 105°C.
- Is the AD7888ARZ RoHS compliant?
Yes, the AD7888ARZ is lead-free and RoHS compliant.
- What is the architecture of the AD7888ARZ ADC?
The AD7888ARZ uses a Successive Approximation Register (SAR) architecture.
- Can the AD7888ARZ be used in high-temperature applications?
Yes, it is suitable for high-temperature and harsh environment applications.
- What is the package type of the AD7888ARZ?
The AD7888ARZ is supplied in a 16-SOIC package.
