Datasheet

DAC7731
8
SBAS249B
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
T
A
= +25°C (unless otherwise noted).
900
800
700
600
500
400
300
200
100
0
Output Noise (nV/Hz)
0.01K 0.1K 1K 10K 100K 1M 10M
OUTPUT NOISE vs FREQUENCY
Frequency (Hz)
Unipolar Configuration, Internal Reference Enabled
Code FFFF
H
Code 0000
H
800
700
600
500
400
300
200
100
0
Output Noise (nV/rtHz)
0.01K 0.1K 1K 10K 100K 1M 10M
OUTPUT NOISE vs FREQUENCY
Frequency (Hz)
Bipolar Configuration: ±10V, Internal Reference Enabled
Code 0000
H
Code FFFF
H
Code 8000
H
BROADBAND NOISE
V
OUT
(V, 50µV/div)
Time (100µs/div)
Internal Reference Enabled
Filtered with 1.6Hz Low-Pass
Code FFFF
H
, Bipolar ±10V Configuration
10kHz Measurement BW
Unipolar Configuration: V
OUT
= 0 to +10V
Zero-Scale to +Full-Scale Change
5kΩ, 200pF Load
Large-Signal Output (5V/div)
UNIPOLAR FULL-SCALE SETTLING TIME
Time (2µs/div)
Small-Signal Error (150µV/div)
Bipolar Configuration: V
OUT
= –10 to +10V
–Full-Scale to +Full-Scale
5kΩ, 200pF Load
Large-Signal Output (5V/div)
BIPOLAR FULL-SCALE SETTLING TIME
Time (2µs/div)
Small-Signal Error (300µV/div)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
PSRR (dB)
1 10 100 1K 10K 100K 1M 10M
POWER-SUPPY REJECTION RATIO vs FREQUENCY
(Measured at REF
OUT
)
Frequency (Hz)
V
SS
V
CC
V
DD
Internal Reference Enabled
–V
SS
, V
CC
= 15V + 1Vp-p,
V
DD
= 5V + 0.5Vp-p