AMC7832 Datasheet, PDF (18/70 Pages) Texas Instruments – AMC7832 12-Bit Analog Monitor and Control Solution with Multi-Channel ADC, Bipolar DACs, Temperature Sensor and GPIO Ports

AMC7832
SLAS836 – MARCH 2014
Typical Characteristics: DAC (continued)
15
10nF, Rising Edge
10
200pF, Rising Edge
5
0
±5
±10
±15
0
5
10
15
20
25
Time (µs)
C001
T = 25°C, Code 0x400 to 0xC00 to within 1/2 LSB
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15
10nF, Falling Edge
10
200pF, Falling Edge
5
0
±5
±10
±15
0
5
10
15
20
25
Time (µs)
C001
T = 25°C, Code 0xC00 to 0x400 to within 1/2 LSB
Figure 21. Settling Time vs Load Capacitance
5000
4000
3000
2000
1000
0
10
100
1000
10000
Frequency (Hz)
T = 25°C, Input Code 0x800
100000
1000000
C001
Figure 22. Settling Time vs Load Capacitance
20
15
10
5
0
±5
±10
±15
±20
0246
T = 25°C, Input Code 0x800
8 10 12 14 16 18 20
Time (s)
C001
Figure 23. Noise Voltage vs Frequency
15
15.0
10
10.0
5
5.0
0
0.0
±5
±5.0
AVCC
±10
AVSS
±10.0
DVDD/AVDD
±15
DAC output
±15.0
-0.5 0 0.5 1 1.5 2 2.5 3 3.5
Time (ms)
C002
T = 25°C, AV_SS = AV_EE = AGND, AV_CC 0 to 12V, 2 ms ramp
Figure 24. 0.1Hz to 10Hz Noise
15
AVCC
AVSS
10
DVDD/AVDD
DAC output
5
0
±5
±10
±15
±0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
Time (ms)
C002
T = 25°C, AV_SS = AV_EE = -12V, AV_CC 0 to 12V, 2 ms ramp
Figure 25. Power-On Overshoot Single Supply
Figure 26. Power-On Overshoot Dual Supply
18
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