AMC7891_14 Datasheet, PDF (11/42 Pages) Texas Instruments – Analog Monitor and Control Circuit with 10-Bit, Multi-Channel ADC and Four DACs, Temperature Sensor, and 12 GPIOs

AMC7891
www.ti.com
SBAS518A – AUGUST 2011 – REVISED DECEMBER 2011
TYPICAL CHARACTERISTICS: DAC (continued)
AV_DD = 5 V, GPIOV_DD = 5 V, SPIV_DD = 5 V, AGND = DGND = 0 V, External ADC reference = AV_DD
(unless otherwise noted)
2.502
5.000
2.501
4.950
4.900
2.500
4.850
2.499
Code = 0x200
2.498
−10 −8 −6 −4 −2 0 2 4 6 8 10
Load Current (mA)
G007
Figure 9. DAC OUTPUT VOLTAGE vs. LOAD CURRENT
0.300
4.800
4.750
4.700
0
Code = 0x3FF
1 2 3 4 5 6 7 8 9 10
Source Current (mA)
G008
Figure 10. DAC SOURCE CURRENT
0.250
0.200
0.150
0.100
0.050
0.000
0
Code = 0x000
12345678
Sink Current (mA)
Figure 11. DAC SINK CURRENT
9 10
G009
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