6

DAC8812

SBAS349D – AUGUST 2005 – REVISED JANUARY 2016

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Copyright © 2005–2016, Texas Instruments Incorporated

Electrical Characteristics (continued)

otherwise noted.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

(3)

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

SUPPLY CHARACTERISTICS

Power supply range

2.7

5.5

V

Positive supply current

2

5

μA

1

2.5

μA

Power dissipation

Logic inputs = 0 V

0.0275

mW

Power supply sensitivity

0.006%

Output voltage settling time

To ±0.1% of full-scale,

Data = 0000h to FFFFh to 0000h

0.3

µs

To ±0.0015% of full-scale,

Data = 0000h to FFFFh to 0000h

0.5

DAC glitch impulse

5

nV-s

BW –3 dB

Reference multiplying BW

10

MHz

Feedthrough error

f = 100 kHz

–70

dB

Crosstalk error

Adjacent channel, f = 100 kHz

–100

dB

Digital feedthrough

1

nV-s

THD

Total harmonic distortion

–105

dB

Output spot noise voltage

f = 1 kHz, BW = 1 Hz

12

nV/

√Hz

(1)

7.6 Timing Requirements

See Figure 1

MIN

NOM

MAX

UNIT

Clock duration, high

10

ns

Clock duration, low

10

ns

CS to clock setup

0

ns

Clock to CS hold

10

ns

Load DAC pulse duration

20

ns

Data setup

10

ns

Data hold

10

ns

Load setup

5

ns

Load hold

25

ns

7.7 Switching Characteristics

over operating ambient temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INTERFACE TIMING

Clock to SDO propagation delay

2

20

ns