Overview
The ADS7951SDBTR is a 12-bit, 1 MSPS (Mega Samples Per Second), 8-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 particularly suited for applications requiring low power consumption and high-speed data acquisition.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sample Rate | 1 MSPS |
| Number of Channels | 8 channels |
| 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 to VREF and 0 to 2 × VREF |
| Package Type | 30-pin TSSOP (DBT) |
| Operating Temperature Range | -40°C to 125°C |
| Typical Power Dissipation | 14.5 mW (+VA = 5 V, +VBD = 3 V) at 1 MSPS |
| Power-Down Current | 1 μA |
| Input Bandwidth | 47 MHz at 3 dB |
Key Features
- Zero latency
- Auto and manual modes for channel selection
- Two programmable alarm levels per channel
- Four individually configurable GPIOs in TSSOP package
- Wide analog and I/O supply ranges for flexibility
- Low power consumption, suitable for battery-powered and isolated power-supply applications
- Glueless interface with most commonly used digital hosts
- 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 ADS7951SDBTR?
The ADS7951SDBTR has a resolution of 12 bits. - What is the sample rate of the ADS7951SDBTR?
The sample rate is 1 MSPS (Mega Samples Per Second). - How many channels does the ADS7951SDBTR have?
The device has 8 channels. - What is the input type of the ADS7951SDBTR?
The input type is single-ended. - What is the analog supply range of the ADS7951SDBTR?
The analog supply range is from 2.7 V to 5.25 V. - What is the I/O supply range of the ADS7951SDBTR?
The I/O supply range is from 1.7 V to 5.25 V. - What is the typical power dissipation of the ADS7951SDBTR at 1 MSPS?
The typical power dissipation is 14.5 mW (+VA = 5 V, +VBD = 3 V) at 1 MSPS. - What is the power-down current of the ADS7951SDBTR?
The power-down current is 1 μA. - What is the input bandwidth of the ADS7951SDBTR at 3 dB?
The input bandwidth is 47 MHz at 3 dB. - What package type is the ADS7951SDBTR available in?
The device is available in a 30-pin TSSOP (DBT) package.
