Texas Instruments PCM1791ADB Digital to Analog Converters (DAC)
2-channel, 24-bit digital-to-analog converter (DAC) with a 192 kS/s conversion rate.

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCM1791ADB
Detailed Description
2-channel, 24-bit digital-to-analog converter (DAC) with a 192 kS/s conversion rate. Features serial and I2C interfaces, outputting 2 analog voltage channels. Operates from a 4.5V to 5.5V supply, with a typical power consumption of 90mW. Packaged in a 28-pin SSOP for surface mounting, this lead-free component offers a signal-to-noise ratio of 113dB.
Package
SSOP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PCM1791ADB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments PCM1791ADB Digital to Analog Converters (DAC) technical specifications.
General
Series
PCM1791A
Interface
Serial, 3-WIRE, I2C
RoHS
Yes
Number of Channels
2
Package / Case
28-SSOP
Packaging
Rail/Tube
Mounting Type
Surface Mount
Operating Temperature
-25°C ~ 85°C
Supply Voltage
5V
Package
SSOP
Alternate Parts Comparison (PCM1791ADB vs PCM1781DBQ vs PCM2705CDB vs PCM1780DBQR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -25°C ~ 85°C | -25°C ~ 85°C | -25°C ~ 85°C | -25°C ~ 85°C |
| Supply Voltage | 5V | 5V | 5V | 5V |
| Interface | Serial, 3-WIRE, I2C | Serial, 3-WIRE | SPI, USB, Serial | Serial, 3-WIRE |
| Number of Channels | 2 | 2 | 2 | 2 |
| RoHS | Yes | Yes | Yes | Yes |
| Conversion Rate | 192KS/s | 192KS/s | 48KS/s | 192KS/s |
| Lead Free | Lead Free | Lead Free | Lead Free | Lead Free |
| Number of Analog Inputs | 0 | 0 | 0 | 0 |
| Number of Analog Outputs | 2 | 2 | 2 | 2 |
| Number of Bits | 24 | 24 | 16 | 24 |
| Number of Converters | 2 | 2 | 2 | 2 |
| Action |
Texas Instruments PCM1791ADB Digital to Analog Converters (DAC) Overview
2-channel, 24-bit digital-to-analog converter (DAC) with a 192 kS/s conversion rate. Features serial and I2C interfaces, outputting 2 analog voltage channels. Operates from a 4.5V to 5.5V supply, with a typical power consumption of 90mW. Packaged in a 28-pin SSOP for surface mounting, this lead-free component offers a signal-to-noise ratio of 113dB.
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