Overview
The ADS7953SBRHBR is a 12-bit, 1-MSPS (mega-samples per second), 16-channel, single-ended analog-to-digital converter (ADC) produced by Texas Instruments. It is part of the ADS79xx family, which includes pin-compatible multichannel ADCs with resolutions of 12, 10, and 8 bits. This device is designed for low power consumption and high performance, making it suitable for a variety of data acquisition applications, including battery-powered and isolated power-supply systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sample Rate | 1 MSPS |
| Number of Channels | 16 |
| Input Type | Single-ended |
| Analog Supply Range | 2.7 V to 5.25 V |
| I/O Supply Range | 1.7 V to 5.25 V |
| Serial Interface | 20 MHz |
| Input Ranges | 0 V to VREF and 0 V to 2 × VREF |
| Package | 32-pin VQFN (RHB) |
| Operating Temperature Range | -40°C to 125°C |
| Power Dissipation | Typical 14.5 mW at 1 MSPS |
| Power-Down Current | 1 µA |
| Input Bandwidth | 47 MHz at 3 dB |
Key Features
- 1-MHz sample rate serial devices
- Zero latency
- 20-MHz serial interface controlled by CS and SCLK
- Two software-selectable unipolar input ranges: 0 V to VREF and 0 V to 2 × VREF
- Auto and manual modes for channel selection
- Two programmable alarm levels per channel
- One individually configurable GPIO in VQFN package
- Low power consumption, suitable for battery-powered applications
- Power-down feature for power saving at lower conversion speeds
Applications
- PLC/IPC (Programmable Logic Controllers/Industrial PCs)
- Optical Line Card Monitoring
- Medical Instrumentation
- Digital Power Supplies
- Multi-channel, general-purpose signal monitoring
- High-speed data acquisition systems
- High-speed closed-loop systems
Q & A
- What is the resolution of the ADS7953SBRHBR ADC?
The ADS7953SBRHBR has a resolution of 12 bits.
- What is the sample rate of the ADS7953SBRHBR?
The sample rate is 1 MSPS (mega-samples per second).
- How many channels does the ADS7953SBRHBR support?
The device supports 16 channels.
- What are the input ranges for the ADS7953SBRHBR?
The input ranges are 0 V to VREF and 0 V to 2 × VREF.
- What is the operating temperature range of the ADS7953SBRHBR?
The operating temperature range is -40°C to 125°C.
- What is the typical power dissipation of the ADS7953SBRHBR at 1 MSPS?
The typical power dissipation is 14.5 mW at 1 MSPS.
- What is the power-down current of the ADS7953SBRHBR?
The power-down current is 1 µA.
- What is the input bandwidth of the ADS7953SBRHBR?
The input bandwidth is 47 MHz at 3 dB.
- What are some common applications for the ADS7953SBRHBR?
Common applications include PLC/IPC, optical line card monitoring, medical instrumentation, digital power supplies, and high-speed data acquisition systems.
- What package type is the ADS7953SBRHBR available in?
The device is available in a 32-pin VQFN (RHB) package.
