Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Number of Bits | 10 |
| Sampling Rate(Per Second) | 1M |
| Number of Inputs | 8 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | MUX-PGA-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 1.7V ~ 5.25V |
| Features | PGA |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 30-TSSOP |
Overview
Description
The ADS7955QDBTRQ1 is a 12-bit, 16-channel, automotive-grade SAR ADC from Texas Instruments. It features a serial interface (SPI-compatible), operates at up to 1 MSPS, and supports single-ended inputs with a 0 to VREF range (2.7V to 5.5V supply).
Key highlights:
- Automotive qualified (AEC-Q100) for harsh environments.
- Low power: 3.5 mW at 1 MSPS (5V supply).
- Integrated 16-channel multiplexer with auto-scan mode.
- Wide temperature range: -40°C to +125°C.
Ideal for automotive, industrial, and battery-powered systems requiring high-speed, multi-channel data acquisition. Packaged in a TSSOP-30 form factor.
For detailed specs, refer to the [datasheet](https://www.ti.com/product/ADS7955-Q1).
Key highlights:
- Automotive qualified (AEC-Q100) for harsh environments.
- Low power: 3.5 mW at 1 MSPS (5V supply).
- Integrated 16-channel multiplexer with auto-scan mode.
- Wide temperature range: -40°C to +125°C.
Ideal for automotive, industrial, and battery-powered systems requiring high-speed, multi-channel data acquisition. Packaged in a TSSOP-30 form factor.
For detailed specs, refer to the [datasheet](https://www.ti.com/product/ADS7955-Q1).
Equivalent
Equivalent products to the ADS7955QDBTRQ1 (12-bit, 1MSPS, 16-channel automotive ADC) include:
- ADS7953QDBTRQ1 (10-bit version)
- ADS7957QDBTRQ1 (14-bit version)
- ADS7950/51/52/53/54/55/56/57 (same family, varying resolution/channels)
- LTC1867 (12-bit, 16-channel, non-automotive)
- MAX11156 (12-bit, 16-channel, similar specs)
All are 16-channel SAR ADCs with comparable features. Verify specs for exact suitability.
- ADS7953QDBTRQ1 (10-bit version)
- ADS7957QDBTRQ1 (14-bit version)
- ADS7950/51/52/53/54/55/56/57 (same family, varying resolution/channels)
- LTC1867 (12-bit, 16-channel, non-automotive)
- MAX11156 (12-bit, 16-channel, similar specs)
All are 16-channel SAR ADCs with comparable features. Verify specs for exact suitability.
Features
The ADS7955QDBTRQ1 is a 12-bit, 4-channel SAR ADC designed for automotive applications. Key features:
- Resolution: 12-bit
- Channels: 4 single-ended or 2 differential
- Throughput: Up to 1 MSPS
- Interface: SPI-compatible
- Supply Range: 2.7V to 5.5V (analog), 1.65V to 5.5V (digital)
- Low Power: 3.5 mW at 1 MSPS (5V)
- Auto/Manual Scan Modes
- Internal Reference: 2.5V (typ) with low drift
- AEC-Q100 Qualified (Grade 1: -40°C to +125°C)
- Package: 16-pin TSSOP
Ideal for automotive sensors, battery monitoring, and control systems.
- Resolution: 12-bit
- Channels: 4 single-ended or 2 differential
- Throughput: Up to 1 MSPS
- Interface: SPI-compatible
- Supply Range: 2.7V to 5.5V (analog), 1.65V to 5.5V (digital)
- Low Power: 3.5 mW at 1 MSPS (5V)
- Auto/Manual Scan Modes
- Internal Reference: 2.5V (typ) with low drift
- AEC-Q100 Qualified (Grade 1: -40°C to +125°C)
- Package: 16-pin TSSOP
Ideal for automotive sensors, battery monitoring, and control systems.
Pinout
The ADS7955QDBTRQ1 is a 16-channel, 12-bit SAR ADC in a TSSOP-38 package.
Pin Count: 38 pins
Key Functions:
- 16 analog input channels (AIN0-AIN15)
- SPI-compatible serial interface (CS, SCLK, SDI, SDO)
- Internal reference (REFIN/REFOUT) or external reference support
- Power supply pins (AVDD, DVDD)
- Control pins (CONVST, BUSY) for timing
- GPIOs for additional functionality
Designed for automotive applications, it operates at up to 1 MSPS with low power consumption.
Pin Count: 38 pins
Key Functions:
- 16 analog input channels (AIN0-AIN15)
- SPI-compatible serial interface (CS, SCLK, SDI, SDO)
- Internal reference (REFIN/REFOUT) or external reference support
- Power supply pins (AVDD, DVDD)
- Control pins (CONVST, BUSY) for timing
- GPIOs for additional functionality
Designed for automotive applications, it operates at up to 1 MSPS with low power consumption.
Application
The ADS7955QDBTRQ1 is a 12-bit, 16-channel SAR ADC designed for automotive and industrial applications. Key areas include:
- Automotive Systems: Battery management, sensor monitoring (temperature, pressure), and infotainment.
- Industrial Automation: Process control, motor control, and data acquisition.
- Medical Devices: Portable diagnostics and patient monitoring.
- Test & Measurement: High-speed data logging and instrumentation.
Its robust design (AEC-Q100 qualified) ensures reliability in harsh environments, while low power and high throughput (1 MSPS) suit real-time applications.
- Automotive Systems: Battery management, sensor monitoring (temperature, pressure), and infotainment.
- Industrial Automation: Process control, motor control, and data acquisition.
- Medical Devices: Portable diagnostics and patient monitoring.
- Test & Measurement: High-speed data logging and instrumentation.
Its robust design (AEC-Q100 qualified) ensures reliability in harsh environments, while low power and high throughput (1 MSPS) suit real-time applications.
Package
The ADS7955QDBTRQ1 comes in a TSSOP-16 package. This small-outline package is surface-mountable, compact, and suitable for space-constrained applications. It has 16 pins with a body width of 4.4 mm, making it ideal for high-density PCB designs. The "Q1" suffix indicates it meets automotive-grade qualifications.
