DAC7554IDGSRG4 Datasheet, PDF (9/24 Pages) Texas Instruments – 12-BIT, QUAD, ULTRALOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER

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TYPICAL CHARACTERISTICS (continued)
SINK CURRENT AT NEGATIVE RAIL
0.2
Typical for All Channels
0.15
V_DD = 2.7 V,
V_ref = 2.5 V
0.1
0.05
0
0
V_DD = 5.5 V,
V_ref = 4.096 V
DAC Loaded with 000h
5
10
15
I_SINK − Sink Current − mA
Figure 14.
SOURCE CURRENT AT POSITIVE RAIL
2.7
Typical for All Channels
2.6
V_DD = V_ref = 2.7 V
2.5
DAC Loaded with FFFh
2.4
0
5
10
15
I_SOURCE − Source Current − mA
Figure 16.
DAC7554
SLAS399A – OCTOBER 2004 – REVISED NOVEMBER 2004
SOURCE CURRENT AT POSITIVE RAIL
5.50
Typical for All Channels
5.40
V_DD = V_ref = 5.5 V
5.30
5.20
0
700
600
500
400
DAC Loaded with FFFh
5
10
15
I_SOURCE − Source Current − mA
Figure 15.
SUPPLY CURRENT
vs
DIGITAL INPUT CODE
V_DD = 5.5 V,
V_ref = 4.096 V
V_DD = 2.7 V,
V_ref = 2.5 V
300
200
100
All Channels Powered, No Load
0
0 512 1024 1536 2048 2560 3072 3584 4096
Digital Input Code
Figure 17.
9