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See Technical Specifications

DAC900TPWRQ1

Automotive 10-Bit 165-MSPS Digital-to-Analog Converter (DAC)

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

DAC900TPWRQ1
Datasheet:

DAC900TPWRQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100, SpeedPlus™
Programmable:

Not Verified
Number of Bits:

10
Number of D/A Converters:

1
EDA/CAD Models:

Request Free CAD Models for DAC900TPWRQ1

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DAC900TPWRQ1 General Description

The DAC900 is a high-speed, Digital-to-Analog Converter (DAC) offering a 10-bit resolution option within the SpeedPlus family of high-performance converters. Featuring pin compatibility among family members, the DAC908, DAC902, and DAC904 provide a component selection option to an 8-, 12-, and 14-bit resolution, respectively. All models within this family of DACs support update rates in excess of 165MSPS with excellent dynamic performance, and are especially suited to fulfill the demands of a variety of applications.

The advanced segmentation architecture of the DAC900 is optimized to provide a high Spurious-Free Dynamic Range (SFDR) for single-tone, as well as for multi-tone signals—essential when used for the transmit signal path of communication systems.

The DAC900 has a high impedance (200k) current output with a nominal range of 20mA and an output compliance of up to 1.25V. The differential outputs allow for both a differential or singleended analog signal interface. The close matching of the current outputs ensures superior dynamic performance in the differential configuration, which can be implemented with a transformer.

Utilizing a small geometry CMOS process, the monolithic DAC900 can be operated on a wide, single-supply range of +2.7V to +5.5V. Its low power consumption allows for use in portable and battery operated systems. Further optimization can be realized by lowering the output current with the adjustable full-scale option.

For noncontinuous operation of the DAC900, a power-down mode results in only 45mW of standby power.

The DAC900 comes with an integrated 1.24V bandgap reference and edge-triggered input latches, offering a complete converter solution. Both +3V and +5V CMOS logic families can be interfaced to the DAC900.

The reference structure of the DAC900 allows for additional flexibility by utilizing the on-chip reference, or applying an external reference. The full-scale output current can be adjusted over a span of 2mA to 20mA, with one external resistor, while maintaining the specified dynamic performance.

The DAC900 is available in a TSSOP-28 (PW) package.

Key Features

Qualified for Automotive Applications
Single +5V OR +3V Operation
High SFDR: 5MHz Output at 100MSPS: 68dBc
Low Glitch: 3pV-s
Low Power: 170mW at +5V
Internal Reference: Optional External Reference
Adjustable Full-Scale Range Multiplying Option
Latch-Up Performance Meets 100 mA
Per JESD 78, Class I
APPLICATIONS
- Communication Transmit Channels
  - WLL, Cellular Base Station
  - Digital Microwave Links
  - Cable Modems
- Waveform Generation
  - Direct Digital Synthesis (DDS)
  - Arbitrary Waveform Generation (ARB)
- Medical/Ultrasound
- High-Speed Instrumentation and Control
- Video, Digital TV

Specifications

Category	Integrated Circuits (ICs)Data AcquisitionDigital to Analog Converters (DAC)	Series	Automotive, AEC-Q100, SpeedPlus™
Programmable	Not Verified	Number of Bits	10
Number of D/A Converters	1	Settling Time	30µs (Typ)
Output Type	Current - Unbuffered	Differential Output	Yes
Data Interface	Parallel	Reference Type	External, Internal
Voltage - Supply, Analog	2.7V ~ 5.5V	Voltage - Supply, Digital	2.7V ~ 5.5V
INL/DNL (LSB)	±0.5, ±0.3	Architecture	Current Source
Operating Temperature	-40°C ~ 105°C	Mounting Type	Surface Mount
Base Product Number	DAC900