DAC7552 Datasheet, PDF (9/22 Pages) Texas Instruments – 12-BIT, DUAL, 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
V_DD = 5.5 V,
V_REF = 4.096 V
DAC Loaded with 000h
0
0
5
10
15
I_SINK − Sink Current − mA
Figure 10.
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 12.
DAC7552
SLAS442B – JANUARY 2005 – REVISED JUNE 2005
SOURCE CURRENT AT POSITIVE RAIL
5.50
Typical for All Channels
5.40
V_DD = V_REF = 5.5 V
5.30
DAC Loaded with FFFh
5.20
0
5
10
15
I_SOURCE − Source Current − mA
Figure 11.
SUPPLY CURRENT
vs
DIGITAL INPUT CODE
400
350
V_DD = 5.5 V,
V_REF = 4.096 V
300
250
V_DD = 2.7 V,
V_REF = 2.5 V
200
150
100
50
All Channels Powered, No Load
0
0 512 1024 1536 2048 2560 3072 3584 4096
Digital Input Code
Figure 13.
9