Overview
The AD7997BRU-0 is a 10-bit, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7997 and AD7998 series, known for their low power consumption and fast conversion times. The AD7997BRU-0 operates from a single 2.7 V to 5.5 V power supply and features an I2C-compatible serial interface, making it versatile for various applications requiring multiple analog input channels.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 10 |
| Sampling Rate (Per Second) | Up to 188 kSPS |
| Number of Inputs | 8 |
| Input Type | Single Ended |
| Data Interface | I²C |
| Configuration | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7 V ~ 5.5 V |
| Voltage - Supply, Digital | 2.7 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
Key Features
- Fast conversion time: 2 µs typical
- Low power consumption
- Fast throughput rate: up to 188 kSPS
- Sequencer operation and automatic cycle mode
- I²C-compatible serial interface supporting standard, fast, and high-speed modes
- Out-of-range indicator/alert function
- Pin-selectable addressing via AS pin
- Shutdown mode: 1 µA maximum
- Temperature range: -40°C to +85°C
Applications
The AD7997BRU-0 is suitable for a variety of applications that require multiple analog input channels, such as industrial control systems, medical devices, and automotive systems. Its low power consumption and fast conversion rates make it particularly useful in battery-powered devices and real-time data acquisition systems.
Q & A
- What is the resolution of the AD7997BRU-0 ADC?
The AD7997BRU-0 has a resolution of 10 bits. - How many analog input channels does the AD7997BRU-0 have?
The AD7997BRU-0 has 8 single-ended analog input channels. - What is the sampling rate of the AD7997BRU-0?
The AD7997BRU-0 can sample at rates up to 188 kSPS. - What type of interface does the AD7997BRU-0 use?
The AD7997BRU-0 uses an I²C-compatible serial interface. - What is the operating temperature range of the AD7997BRU-0?
The operating temperature range is -40°C to +85°C. - What is the power supply range for the AD7997BRU-0?
The AD7997BRU-0 operates from a single 2.7 V to 5.5 V power supply. - What is the conversion time of the AD7997BRU-0?
The conversion time is typically 2 µs. - Does the AD7997BRU-0 have a shutdown mode?
Yes, the AD7997BRU-0 has a shutdown mode with a maximum current of 1 µA. - What type of package does the AD7997BRU-0 come in?
The AD7997BRU-0 comes in a 20-TSSOP package. - Is the AD7997BRU-0 obsolete?
Yes, the AD7997BRU-0 is listed as obsolete and no longer manufactured.
