Features: ` Relative Accuracy: 1 LSB Max` Differential Nonlinearity: 1 LSB Max` 2-mA Full-Scale Current ±20%,` with VREF = ±10 V` 0.5 s Settling Time` Midscale or Zero-Scale Reset` Four Separate 4Q Multiplying Reference` Inputs` Reference Bandwidth: 10 MHz` Reference Dynamics: -105 dB THD` SPIT...
DAC8814: Features: ` Relative Accuracy: 1 LSB Max` Differential Nonlinearity: 1 LSB Max` 2-mA Full-Scale Current ±20%,` with VREF = ±10 V` 0.5 s Settling Time` Midscale or Zero-Scale Reset` Four Separate 4Q ...
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DAC8814 |
UNIT | ||
VDD to GND |
-0.3 to +8 |
V | |
VSS to GND |
-0.3 to -7 |
V | |
VREF to GND |
-18 to +18 |
V | |
Logic inputs and output to GND |
-0.3 to + 8 |
V | |
V(IOUT) to GND |
-0.3 to VDD + 0.3 |
V | |
AGNDX to DGND |
-0.3 to +0.3 |
V | |
Input current to any pin except supplies |
±50 |
mA | |
Package power dissipation |
(TJmax - TA)/qJA |
| |
Thermal resistance, qJA |
28-Lead shrink surface-mount (RS-28) |
100 |
°C/W |
Maximum junction temperature (TJmax) |
150 |
°C | |
Operating temperature range, Model A |
-40 to +85 |
°C | |
Storage temperature range |
-65 to + 150 |
°C | |
Lead temperature |
RS-28 (Vapor phase 60s) |
215 |
°C |
RS-28 (Infrared 15s) |
220 |
°C |
The DAC8814 is a quad, 16-bit, current-output digi- tal-to-analog converter (DAC) designed to operate from a single +2.7 V to 5.0 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). In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple pack- ages are used. 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 DAC8814 is available in an SSOP package.