14

®

DAC7644

TYPICAL PERFORMANCE CURVES: VSS = –5V (CONT)

At TA = +25°C, VDD = VCC = +5V, VSS = –5V, VREFH = +2.5V, VREFL = –2.5V, representative unit, unless otherwise specified.

5

4

3

2

1

0

–1

–2

–3

–4

–5

R

LOAD (kΩ)

0.01

0.1

1

10

100

V

OUT vs RLOAD

Source

Sink

Time (2

µs/div)

OUTPUT VOLTAGE vs SETTLING TIME

(–2.5V to +2.5V)

+5V

LDAC

0

Large-Signal Settling Time: 1V/div

Small-Signal Settling Time: 2LSB/div

Time (2

µs/div)

OUTPUT VOLTAGE vs SETTLING TIME

(+2.5V to –2.5V)

Large-Signal Settling Time: 1V/div

Small-Signal Settling Time:

2LSB/div

+5V

LDAC

0

2

1.5

1

0.5

0

POSITIVE SUPPLY CURRENT

vs DIGITAL INPUT CODE

Digital Input Code

0000

H 0200H 0400H 0800H 1000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH

No Load

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