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5962-88766013A Datasheet, PDF (7/16 Pages) Analog Devices – LC2MOS 12-Bit DACPORTs | |||
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Typical Performance Characteristicsâ AD7245A/AD7248A
7
IDD (VSS = â15V, VIN = V INL OR V INH)
VDD = +15V
6
IDD (VSS = â15V, VIN = 0V OR V DD)
5
4
IDD (VSS = 0V, V IN = 0V OR VDD)
3
2
ISS (VSS = â15V)
1
4.995
5.000
5.005
0
â55
â25
0
25
70 85
125
TEMPERATURE â ØC
TPC 1. Power Supply Current vs. Temperature
5.010
â55
â25
0
25
70 85
125
TEMPERATURE â ØC
TPC 4. Reference Voltage vs. Temperature
500
VDD = 15V
VSS = 0V
TA = 25ØC
200
REFERENCE (NO DECOUPLING)
100
REFERENCE (DECOUPLED*)
50
20
OUTPUT WITH
ALL 0s ON DAC
10
50 100 200
500 1k 2k
5k 10k 20k 50k
FREQUENCY â Hz
*REFERENCE DECOUPLING COMPONENTS AS PER FIGURE 8
TPC 2. Noise Spectral Density vs. Frequency
OUTPUT WITH ALL
0s ON DAC
80
60
OUTPUT WITH ALL
1s ON DAC
40
DECOUPLING*
NO
DECOUPLING
DECOUPLING
NO DECOUPLING
20
VDD = 15V WITH
100mV p-p SIGNAL
0
50
100 200
1k 2k
10k 20k
100k
FREQUENCY â Hz
*POWER SUPPLY DECOUPLING CAPACITORS ARE 10â®F AND 0.1â®F
TPC 5. Power Supply Rejection Ration vs. Frequency
1mV
100
90
1mV
100
90
10
0%
2V
1â®s
TPC 3. Positive-Going Settling Time
(VDD = +15 V, VSS = â15 V)
10
0%
2V
1â®s
TPC 6. Negative Going Settling Time
(VDD = +15 V, VSS = â15 V)
REV. B
â7â
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