
MAX11600–MAX11605
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/8-/12-Channel 2-Wire Serial 8-Bit ADCs
6
_______________________________________________________________________________________
Typical Operating Characteristics
(VDD = 3.3V (MAX11601/MAX11603/MAX11605), VDD = 5V (MAX11600/MAX11602/MAX11604), fSCL = 1.7MHz, external clock (33% duty
cycle), fSAMPLE = 188ksps, single ended, unipolar, TA = +25°C, unless otherwise noted.)
150
250
200
350
300
400
450
SUPPLY CURRENT
vs. VOLTAGE
MAX11600
toc01
VDD (V)
I DD
(
A)
2.5
3.5
4.0
3.0
4.5
5.0
5.5
A) INTERNAL 4.096VREF
B) INTERNAL 2.048VREF
C) EXTERNAL 4.096VREF
D) EXTERNAL 2.048VREF
A
C
B
D
150
250
200
350
300
400
450
-40
85
SUPPLY CURRENT
vs. TEMPERATURE
MAX11600
toc02
TEMPERATURE (
°C)
I DD
(
A)
10
-15
35
60
INTERNAL 4.096VREF
INTERNAL 2.048VREF
EXTERNAL 4.096VREF
EXTERNAL 2.048VREF
0
1
3
2
4
5
2.5
3.5
3.0
4.0
4.5
5.0
5.5
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX11600
toc03
VDD (V)
I DD
(
A)
SDA = SCL = VDD
0
1
3
2
4
5
-40
10
-15
35
60
85
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX11600
toc04
TEMPERATURE (
°C)
I DD
(
A)
SDA = SCL = VDD
VDD = 5V
VDD = 3.3V
0
100
50
200
150
300
250
350
020
30
10
40
50
60
AVERAGE SUPPLY CURRENT vs.
CONVERSION RATE (INTERNAL CLOCK)
MAX11600
toc05
CONVERSION RATE (ksps)
AVERAGE
I
DD
(
A)
A) INTERNAL REF ALWAYS ON
B) INTERNAL REF AUTOSHUTDOWN
C) EXTERNAL REF
A
C
B
INTERNAL CLOCK MODE
fSCL = 1.7MHz
0
150
100
50
300
250
200
450
400
350
500
0100
50
150
200
AVERAGE SUPPLY CURRENT VS.
CONVERSION RATE (EXTERNAL CLOCK)
MAX11600
toc06
CONVERSION RATE (ksps)
AVERAGE
I
DD
(
A)
A
C
B
A) INTERNAL REF ALWAYS ON
B) INTERNAL REF AUTOSHUTDOWN
C) EXTERNAL REF
EXTERNAL CLOCK MODE
fSCL = 1.7MHz
0.9900
0.9925
0.9950
0.9975
1.0000
1.0025
1.0050
1.0075
1.0100
4.00
4.50
4.25
4.75
5.00
5.25
5.50
NORMALIZED 4.096V REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11600
toc7
VDD (V)
V
REF
NORMALIZED
0.980
0.985
0.990
0.995
1.000
1.005
1.010
1.015
1.020
-40
-15
10
35
60
85
INTERNAL 4.096V REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11600
toc08
TEMPERATURE (
°C)
V
REF
NORMALIZED
0.9900
0.9925
0.9950
0.9975
1.0000
1.0025
1.0050
1.0075
1.0100
2.5
3.5
3.0
4.0
4.5
5.0
5.5
INTERNAL 2.048V REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11600
toc09
VDD (V)
V
REF
NORMALIZED