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PARAMETER MEASUREMENT INFORMATION

SDI

CLK

CS

LDAC

Input REG. LD

A1

A0

D13 D12 D11 D10

D1

D0

DAC8802

SBAS351A – AUGUST 2005 – REVISED DECEMBER 2005

ELECTRICAL CHARACTERISTICS (continued)

V

otherwise noted.

DAC8802

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY CHARACTERISTICS

Power supply range

2.7

5.5

V

2

5

µA

Positive supply current

1

2.5

µA

Power dissipation

Logic inputs = 0 V

0.0275

mW

Power supply sensitivity

∆V

0.006

%

To

±0.1% of full-scale,

µs

0.3

Data = 0000h to 3FFFh to 0000h

Output voltage settling time

To

±0.006% of full-scale,

µs

0.5

Data = 0000h to 3FFFh to 0000h

Reference multiplying BW

BW –3 dB

10

MHz

DAC glitch impulse

Q

5

nV/s

Feedthrough error

–70

dB

dB

Crosstalk error

–100

Adjacent channel, f = 100 kHz

Digital feedthrough

Q

1

nV/s

Total harmonic distortion

THD

–105

dB

Output spot noise voltage

f = 1 kHz, BW = 1 Hz

12

nV/

√Hz

(5)

All ac characteristic tests are performed in a closed-loop system using an THS4011 I-to-V converter amplifier.

Figure 1. DAC8802 Timing Diagram

4