ADT7316

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±0.5°C Accurate Digital Temperature Sensor and Quad Voltage Output 12-Bit DAC

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Overview

  • ADT7316—four 12-bit DACs
  • ADT7317—four 10-bit DACs
  • ADT7318—four 8-bit DACs
  • Buffered voltage output
  • Guaranteed monotonic by design over all codes
  • 10-bit temperature-to-digital converter
  • Temperature range: −40°C to +120°C
  • Temperature sensor accuracy of ±0.5°C
  • Supply range: 2.7 V to 5.5 V
  • See datasheet for additional information

The ADT7316 / ADT7317 / ADT7318 combine a 10-bit temperature-to-digital converter and a quad 12-/10-/8-bit DAC, respectively, in a 16-lead QSOP. This includes a bandgap temperature sensor and a 10-bit ADC to monitor and digitize the temperature reading to a resolution of 0.25°C. The ADT7316 / ADT7317 / ADT7318 operate from a single 2.7 V to 5.5 V supply. The output voltage of the DAC ranges from 0 V to 2 VREF, with an output voltage settling time of 7 μs typically. The ADT7316 / ADT7317 / ADT7318 provide two serial inter-face options, a 4-wire serial interface that is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, and a 2-wire SMBus/I2C interface. They feature a standby mode that is controlled via the serial interface.

The reference for the four DACs is derived either internally or from two reference pins (one per DAC pair). The outputs of all DACs may be updated simultaneously using the software LDAC function or external LDAC pin.

The ADT7316 / ADT7317 / ADT7318 incorporate a power-on-reset circuit that ensures the DAC output powers up to 0 V and remains there until a valid write takes place. The ADT7316 / ADT7317 / ADT7318 wide supply voltage range, low supply current, and SPI-/I2C-compatible interface make them ideal for a variety of applications, including personal computers, office equipment, and domestic appliances.

APPLICATIONS

  • Portable battery-powered instruments
  • Personal computers
  • Telecommunications systems
  • Electronic test equipment
  • Domestic appliances
  • Process control

ADT7316
±0.5°C Accurate Digital Temperature Sensor and Quad Voltage Output 12-Bit DAC
ADT7316/ADT7317/ADT7318 Functional Block Diagram
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Software Resources


Evaluation Kits

EVAL-ADT7316

ADT7316 Evaluation Board

Product Details

The ADT7316 evaluation board allows the ADT7316 digital temperature sensor to be quickly and easily evaluated using a PC. Using the evaluation board and its accompanying software, the ADT7316 evaluation board can be interfaced to a PC via a USP port.


Please note: This Evaluation software does not run on Windows 8 or Windows 10 (USB driver is non-compliant with OS >Windows 7).

EVAL-ADT7316
ADT7316 Evaluation Board

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