Datasheet

3.2
3
2.8
2.6
2.4
2.2
2
2.7
5.7
AVDD,AnalogSupplyVoltage(V)
SupplyCurrent(mA)
3.2 4.74.23.7 5.2
2.4
2.38
2.36
2.34
2.32
2.3
-40
125
Free-AirTemperature( C)°
SupplyCurrent(mA)
-25 20
AVDD=3V
5-10 35
50 65 80 95 110
1.9
1.88
1.86
1.84
1.82
1.8
1.78
1.76
1.74
1.72
1.7
2.7
5.7
AVDD,AnalogSupplyVoltage(V)
StaticCurrent(mA)
3.2 4.74.23.7 5.2
1.77
1.765
1.76
1.755
1.75
1.745
1.74
1.735
1.73
-40
125
Free-AirTemperature( C)°
StaticCurrent(mA)
-25 20
AVDD=3V
5-10 35 50 65 80 95 110
2.5
2
1.5
1
0.5
0
0
700
Throughput(kSPS)
SupplyCurrent(mA)
100 300200 600500400
AVDD=3V
AVDD=5V
PDENPinHigh
ADS7947
ADS7948
ADS7949
www.ti.com SLAS708 –SEPTEMBER 2010
TYPICAL CHARACTERISTICS: ADS7947, ADS7948, ADS7949
At T
A
= +25°C, DVDD = 1.8V, V
REF
= 2.5V, and f
SAMPLE
= 2MSPS, unless otherwise noted.
SUPPLY CURRENT vs ANALOG SUPPLY VOLTAGE SUPPLY CURRENT vs TEMPERATURE
Figure 1. Figure 2.
STATIC CURRENT vs ANALOG SUPPLY VOLTAGE STATIC CURRENT vs FREE-AIR TEMPERATURE
Figure 3. Figure 4.
SUPPLY CURRENT vs THROUGHPUT
Figure 5.
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