Overview
The ADS7953QDBTRQ1 is a high-performance, 12-bit, 1-MSPS (mega-samples per second), 16-channel, single-ended analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS79xx-Q1 family, which is qualified for automotive applications and meets the AEC-Q100 standards. It is designed for low power consumption, making it suitable for battery-powered and isolated power supply applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Sample Rate | 1 MSPS | |
| Number of Channels | 16 | |
| Analog Supply Range | 2.7 V to 5.25 V | |
| Digital I/O Supply Range | 1.7 V to 5.25 V | |
| Input Ranges | (0 V to 2.5 V) or (0 V to 5 V) | |
| Package Type | 38-pin TSSOP | |
| Package Dimensions | 9.70 mm × 4.40 mm | |
| Power Dissipation (Typical) | 14.5 mW (V(+VA) = 5 V, V(+VBD) = 3 V) at 1 MSPS | |
| Power-Down Current | 1 μA | |
| Operating Temperature Range | –40°C to 125°C | |
| Signal-to-Noise Ratio (SNR) | 70 to 71.7 dB at 100 kHz | |
| Signal-to-Noise + Distortion (SINAD) | 68 to 71.3 dB at 100 kHz | |
| Spurious-Free Dynamic Range (SFDR) | 84 dB at 100 kHz |
Key Features
- Qualified for automotive applications with AEC-Q100 testing.
- Low power consumption, suitable for battery-powered and isolated power supply applications.
- Two SW-selectable unipolar input ranges: 0 V to 2.5 V or 0 V to 5 V.
- Auto and manual modes for channel selection.
- Two programmable alarm levels per channel.
- Four individually configurable GPIOs.
- High-speed data acquisition with a sample rate of 1 MSPS.
- Small signal bandwidth at –3 dB: 47 MHz.
- Low crosstalk and high isolation between channels.
Applications
- Automotive systems.
- Power supply monitoring.
- Battery-powered systems.
- High-speed data-acquisition systems.
Q & A
- What is the resolution of the ADS7953QDBTRQ1 ADC?
The ADS7953QDBTRQ1 has a 12-bit resolution.
- What is the sample rate of the ADS7953QDBTRQ1?
The sample rate is 1 MSPS (mega-samples per second).
- How many channels does the ADS7953QDBTRQ1 support?
The device supports 16 single-ended channels.
- What is the analog supply voltage range for the ADS7953QDBTRQ1?
The analog supply voltage range is from 2.7 V to 5.25 V.
- What are the input voltage ranges for the ADS7953QDBTRQ1?
The input voltage ranges are 0 V to 2.5 V or 0 V to 5 V, selectable via software.
- What is the typical power dissipation of the ADS7953QDBTRQ1 at 1 MSPS?
The typical power dissipation is 14.5 mW when V(+VA) = 5 V and V(+VBD) = 3 V at 1 MSPS.
- What is the operating temperature range of the ADS7953QDBTRQ1?
The operating temperature range is –40°C to 125°C.
- What are the key applications for the ADS7953QDBTRQ1?
The key applications include automotive systems, power supply monitoring, battery-powered systems, and high-speed data-acquisition systems.
- Does the ADS7953QDBTRQ1 have programmable alarm levels?
Yes, the device has two programmable alarm levels per channel.
- What is the package type and dimensions of the ADS7953QDBTRQ1?
The package type is a 38-pin TSSOP with dimensions of 9.70 mm × 4.40 mm.
