DAC8814IBDBR datasheet(4/31 Pages) TI

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DAC8814

SBAS338 – JANUARY 2005

ELECTRICAL CHARACTERISTICS (continued)

DD = 2.7 V to 5.0 V ±10%; VSS = 0 V, IOUTX = Virtual GND, AGNDX = 0 V, VREFA, B, C, D = 10 V, TA = full operating

temperature range, unless otherwise noted.

DAC8814

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY CHARACTERISTICS

Power supply range

VDD RANGE

2.7

5.5

Positive supply current

IDD

Logic inputs = 0 V

µA

IDD

VDD = +4.5 V to +5.5 V

µA

IDD

VDD = +2.7 V to +3.6 V

2.5

µA

Negative supply current

ISS

Logic inputs = 0 V, VSS = -5 V

0.001

µA

Power dissipation

PDISS

Logic inputs = 0 V

0.0275

Power supply sensitivity

PSS

∆V

DD = ±5%

0.006

AC CHARACTERISTICS(5)

Output voltage settling time

±0.1% of full-scale,

µs

0.5

Data = 0000h to FFFFh to 0000h

±0.0051% of full-scale,

µs

Data = 0000h to FFFFh to 0000h

Reference multiplying BW

BW -3 dB VREFX = 100 mVRMS, Data = FFFFH, CFB = 15 pF

MHz

DAC glitch impulse

VREFX = 10 V, Data = 0000h to 8000h to 0000h

nV/s

Feedthrough error

VOUTX/VREFX

Data = 0000h, VREFX = 100 mVRMS, f = 100 kHz

-70

Crosstalk error

VOUTA/VREFB

Data = 0000h, VREFB = 100 mVRMS,

-90

Adjacent channel, f = 100 kHz

Digital feedthrough

CS = 1 and fCLK = 1 MHz

nV/s

Total harmonic distortion

THD

VREF = 5 VPP, Data = FFFFh, f = 1 kHz

-105

Output spot noise voltage

f = 1 kHz, BW = 1 Hz

nV/

√Hz

(5)

All ac characteristic tests are performed in a closed-loop system using an OPA627 I-to-V converter amplifier.

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