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TLV5638; 2.7-V To 5.5-V Low Power Dual 12-Bit DAC w/ Internal Ref & Power Down (Rev. C)
Texas Instruments
Description
The TLV5638 is a dual 12-bit voltage output DAC with a flexible 3-wire serial interface. The serial interface allows glueless interface to TMS320 and SPITM, QSPITM, and MicrowireTM serial ports. It is programmed with a 16-bit serial string containing 4 control and 12 data bits. The resistor string output voltage is buffered by a x2 gain rail-to-rail output buffer. The buffer features a Class AB output stage to improve stability and reduce settling time. The programmable settling time of the DAC allows the designer to optimize speed vs power dissipation. With its on-chip programmable precision voltage reference, the TLV5638 simplifies overall system design. Because of its ability to source up to 1 mA, the reference can also be used as a system reference. Implemented with a CMOS process, the device is designed for single supply operation from 2.7 V to 5.5 V. It is available in an 8-pin SOIC package to reduce board space in standard commercial, industrial, and automotive temperature ranges. It is also available in JG and FK packages in the military temperature range.
Features
Dual 12-Bit Voltage Output DAC Programmable Internal Reference Programmable Settling Time: 1 µs in Fast Mode, 3.5 µs in Slow Mode Compatible With TMS320 and SPITM Serial Ports Differential Nonlinearity <0.5 LSB Typ Monotonic Over Temperature Applications Digital Servo Control Loops Digital Offset and Gain Adjustment Industrial Process Control Machine and Motion Control Devices Mass Storage Devices SPI, QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corporation.
Related Datasheets
| Part Number | Description | Category |
| • DAC7553 | 12-Bit Dual Ultralow Glitch Voltage Output DAC | Cards and Modules |
| • DAC8552 | 16-Bit, Dual Channel, Ultralow Glitch Voltage Output Digital to Analog Converter (Rev. A) | Cards and Modules |
| • OPA211 | 1.1nV/?Hz Noise, Low Power, Precision Operational Amplifier in Small DFN-8 Pkg (Rev. D) | Actives - Sensors and Transducers |
| • REF5050 | Low-Noise, Very Low Drift, Precision Voltage Reference | ICs, Interface |
| • TLV5617A | 2.7-V to 5.5-V Low-Power Dual 10-Bit Digital-to-Analog Converter with Power Down (Rev. F) | Cards and Modules |
| • TLV5638 | TLV5638; 2.7-V To 5.5-V Low Power Dual 12-Bit DAC w/ Internal Ref & Power Down (Rev. C) | Cards and Modules |
| • TLV5638-EP | 2.7V-5.5V Low-Power Dual 12By Digital-To-Analog Converter w/Int Ref & Power Down (Rev. B) | Cards and Modules |
| • XTR111 | Precision Voltage-to-Current Converter/Transmitter (Rev. A) | Actives - Sensors and Transducers |
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