Datasheet

AD7877 Data Sheet
Rev. D | Page 12 of 44
03796-037
CH1 200mV CH2 100mV M2.00µs CH1 780mV
1
∆ : 144mV
@: 1.296V
V
DD
= 3V
TEMPERATURE = 25°C
Figure 24. DAC Output Settling Time (Zero Scale to Half Scale)
600
500
400
300
200
100
0
0 25 50 75 100 125 150 175 200 225 250
03796-038
INPUT CODE (Decimal)
DAC SINK CURRENT (µA)
DAC SINK CURRENT
NOTE: MAXIMUM DAC SINK CURRENT IS
SET ACCORDING TO THE EQUATION:
I
MAX
= V
CC
/(R
RNG
× 6)
Figure 25. DAC Sink Current vs. Input Code with R
RNG
= 1 kΩ
–2 –1 0 1 2
03796-050
ERROR (%)
Figure 26. Typical Accuracy for Battery Channel (25°C)