AMC7823_15 Datasheet, PDF (17/55 Pages) Texas Instruments – ANALOG MONITORING AND CONTROL CIRCUIT

AMC7823
www.ti.com
SLAS453F – APRIL 2005 – REVISED MARCH 2012
TYPICAL CHARACTERISTICS: DIGITAL-TO-ANALOG CONVERTER (DAC) (continued)
At +25°C, AV_DD = DV_DD = 5V, unless otherwise noted.
V_OUT vs
SOURCING AND SINKING CURRENT
V_OUT vs
SOURCING AND SINKING CURRENT
6.0
3.0
5.0
2.5
4.0
Sourcing Current
3.0
2.0
Sourcing Current
1.5
2.0
1.0
Sinking Current
AV_DD = 5V
V_REF = 2.5V
Gain = +2
0
0 2 4 6 8 10 12 14 16 18 20
Sourcing or Sinking Current (mA)
Figure 29.
1.0
Sinking Current
0.5
AV_DD = 2.7V
V_REF = 1.25V
Gain = +2
0
0 2 4 6 8 10 12 14 16 18 20
Sourcing or Sinking Current (mA)
Figure 30.
DAC SETTLING TIME
(GAIN = +2)
Input
Code 3932
C_L = 10pF
R_L= 10kΩ
V_REF = 2.5V
Code 256
Settling
Detail
DAC SETTLING TIME
(GAIN = +1)
Input
Code 4095
C_L = 10pF
R_L= 10kΩ
V_REF = 2.5V
Code 512
Settling
Detail
Time (1µs/div)
Figure 31.
DAC POWER-ON RESET
TO 0V
5V
AVDD, DVDD,
BVDD, RESET
Time (1µs/div)
Figure 32.
0V
0V
DAC Output
Time (100µs/div)
Figure 33.
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