Overview
The AD977ACR is a 16-bit Analog to Digital Converter (ADC) produced by Analog Devices Inc. This component is designed for high-resolution data acquisition in various applications where precision and speed are critical. The AD977ACR operates on a single 5V supply voltage for both analog and digital circuits, making it efficient and versatile. It features a successive approximation register (SAR) architecture and supports both external and internal reference types. The device is packaged in a 20-lead Skinny SOIC package, making it suitable for a wide range of applications, including automatic test equipment, process control, and industrial automation.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AD977ACR |
| Manufacturer | Analog Devices Inc. |
| Description | 16 Bit Analog to Digital Converter 1 Input 1 SAR 20-SOIC W |
| Number of Bits | 16 |
| Sampling Rate (Per Second) | 200k |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | ADC |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Package / Case | 20-SOIC W |
| Operating Temperature | -40°C ~ 85°C |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- High-resolution 16-bit analog-to-digital conversion
- Single 5V supply operation for both analog and digital circuits
- Supports both external and internal reference types
- Successive approximation register (SAR) architecture
- High-speed serial interface (SPI)
- On-chip clock and power-down mode for low power consumption (50 µW)
- Input ranges include unipolar (0 V–10 V, 0 V–5 V, 0 V–4 V) and bipolar (±10 V, ±5 V, ±3.3 V)
- Compact 20-lead Skinny SOIC package
- Operates efficiently within a wide temperature range of -40°C to 85°C
Applications
- Automatic test equipment
- Process control and industrial automation
- Medical devices requiring high precision and reliability
- High-performance data acquisition systems
- Systems requiring fast and accurate analog-to-digital conversion
Q & A
- What is the resolution of the AD977ACR?
The AD977ACR has a 16-bit resolution.
- What is the sampling rate of the AD977ACR?
The AD977ACR has a sampling rate of up to 200 kSPS.
- What type of input does the AD977ACR support?
The AD977ACR supports single-ended inputs.
- What data interface does the AD977ACR use?
The AD977ACR uses a high-speed serial interface (SPI).
- What is the supply voltage for the AD977ACR?
The AD977ACR operates on a single 5V supply voltage for both analog and digital circuits.
- What is the operating temperature range of the AD977ACR?
The AD977ACR operates within a temperature range of -40°C to 85°C.
- What package type is the AD977ACR available in?
The AD977ACR is available in a 20-lead Skinny SOIC package.
- Is the AD977ACR RoHS compliant?
No, the AD977ACR contains lead and is RoHS non-compliant.
- What are the input ranges supported by the AD977ACR?
The AD977ACR supports unipolar input ranges (0 V–10 V, 0 V–5 V, 0 V–4 V) and bipolar input ranges (±10 V, ±5 V, ±3.3 V).
- What is the power consumption of the AD977ACR in power-down mode?
The AD977ACR consumes 50 µW in power-down mode.
