Rainbow Electronics MAX159 - Manual (Page 5)

MAX157/MAX159
+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX
_______________________________________________________________________________________ 5
500
700
900
1100
1300
1500
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX157/159 toc01
V DD (V)
SUPPLY CURRENT (
µ
A)
V REF = V DD
R L = ∞
C L = 50pF
CODE = 1010101000
500
750
1000
1250
1500
-60 -20 0 -40 20 40 60 80 100 120 140
SUPPLY CURRENT
vs. TEMPERATURE
MAX157/159 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (
µ A)
V REF = V DD
R L = ∞
C L = 50pF
CODE = 1010101000
10,000
0.1
0.1 1 100 1k 10k 10 100k
SUPPLY CURRENT
vs. SAMPLING RATE
1
MAX157/159 toc03
SAMPLING RATE (sps)
SUPPLY CURRENT (
µ A)
100
10
1000
V
REF
= V
DD
CODE = 1010101000
C
L = 50pF
0
400
200
600
800
1000
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX157/159 toc04
V DD (V)
SHUTDOWN CURRENT (nA)
V REF = V DD
0
0.05
0.10
0.15
0.20
-60 -10 40 90 -35 15 65 140 115
OFFSET ERROR vs. TEMPERATURE
MAX157/159 toc07
TEMPERATURE (°C)
OFFSET ERROR (LSB)
0
200
400
600
800
1000
-60 20 40 -20 0 -40 60 80 100 120 140
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX157/159 toc05
TEMPERATURE (°C)
SHUTDOWN CURRENT (nA)
V REF = V DD
0
0.05
0.10
0.15
0.20
2.5 3.0 3.5 4.0 4.5 5.0 5.5
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX157/159 toc06
V DD (V)
OFFSET ERROR (LSB)
Typical Operating Characteristics
(V DD = +3.0V, V REF = 2.5V, 0.1µF capacitor at REF, f SCLK = 2.17MHz, 16 clocks/conversion cycle (108ksps); CH- = GND for
MAX159; T A = +25°C, unless otherwise noted.)