DAC8802
14-Bit, Dual Channel, Serial Interface, Multiplying Digital-to-Analog Converter
DAC8802
- Relative Accuracy: 1 LSB Max
- Differential Nonlinearity: 1 LSB Max
- 2-mA Full-Scale Current ±20%, with VREF = ±10 V
- 0.5 µs Settling Time
- Midscale or Zero-Scale Reset
- Separate 4Q Multiplying Reference Inputs
- Reference Bandwidth: 10 MHz
- Reference Dynamics: -105 dB THD
- SPI™-Compatible 3-Wire Interface: 50 MHz
- Double Buffered Registers to Enable Simultaneous Multichannel Update
- Internal Power-On Reset
- Industry-Standard Pin Configuration
- APPLICATIONS
- Automatic Test Equipment
- Instrumentation
- Digitally Controlled Calibration
SPI is a trademark of Motorola, Inc.
All other trademarks are the property of their respective owners.
The DAC8802 is a dual, 14-bit, current-output digital-to-analog converter (DAC) designed to operate from a single 2.7 V to 5.5 V supply.
The applied external reference input voltage VREF determines the full-scale output current. An internal feedback resistor (RFB) provides temperature tracking for the full-scale output when combined with an external I-to-V precision amplifier.
A doubled-buffered, serial data interface offers high-speed, 3-wire, SPI and microcontroller compatible inputs using serial data in (SDI), clock (CLK), and a chip-select (CS). A common level-sensitive load DAC strobe (LDAC) input allows simultaneous update of all DAC outputs from previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to zero at system turn-on. An MSB pin allows system reset assertion (RS) to force all registers to zero code when MSB = 0, or to half-scale code when MSB = 1.
The DAC8802 is available in an TSSOP-16 package.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | Dual, Serial Input 14-Bit Multiplying Digital-to-Analog Converter datasheet (Rev. B) | 19 Feb 2007 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
ANALOG-ENGINEER-CALC — Analog engineer's calculator
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
TIDA-01427 — 2.3 nV/√Hz, Differential, Time Gain Control (TGC) DAC Reference Design for Ultrasound
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
TSSOP (PW) | 16 | Ultra Librarian |
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