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MAX157 Datasheet, PDF (5/16 Pages) Maxim Integrated Products – Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching Networks
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+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX
Typical Operating Characteristics
(VDD = +3.0V, VREF = 2.5V, 0.1µF capacitor at REF, fSCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps); CH- = GND for
MAX159; TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1500
VREF = VDD
RL = ∞
1300 CL = 50pF
CODE = 1010101000
1100
900
SUPPLY CURRENT
vs. TEMPERATURE
1500
VREF = VDD
RL = ∞
1250
CL = 50pF
CODE = 1010101000
1000
10,000
1000
SUPPLY CURRENT
vs. SAMPLING RATE
VREF = VDD
CODE = 1010101000
CL = 50pF
100
10
750
700
1
500
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
500
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
0.1
0.1 1
10 100 1k 10k 100k
SAMPLING RATE (sps)
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
1000
VREF = VDD
800
SHUTDOWN CURRENT
vs. TEMPERATURE
1000
VREF = VDD
800
600
600
400
400
200
200
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
OFFSET ERROR vs. SUPPLY VOLTAGE
0.20
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
OFFSET ERROR vs. TEMPERATURE
0.20
0.15
0.15
0.10
0.10
0.05
0.05
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
0
-60 -35 -10 15 40 65 90 115 140
TEMPERATURE (°C)
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