Datasheet

MAX1032/MAX1033
8- and 4-Channel, ±3 x V
REF
Multirange Inputs, Serial 14-Bit ADCs
7
Maxim Integrated
DIGITAL I/O SUPPLY CURRENT
vs. DIGITAL I/O SUPPLY VOLTAGE
MAX1032 toc04
V
DVDDO
(V)
I
DVDDO
(µA)
5.155.054.954.85
17
18
19
20
21
16
4.75 5.25
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
EXTERNAL CLOCK MODE
DATA RATE = 115ksps
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1032 toc05
V
AVDD1
(V)
I
AVDD1
(mA)
5.155.054.954.85
0.41
0.42
0.43
0.44
0.45
0.46
0.40
4.75 5.25
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
PARTIAL POWER-DOWN MODE
Typical Operating Characteristics (continued)
(V
AVDD1
= V
AVDD2
= V
DVDD
= V
DVDD0
= 5V, V
AGND1
= V
DGND
= V
DGNDO
= V
AGND2
= V
AGND3
= 0V, f
CLK
= 3.5MHz (50% duty
cycle), external clock mode, V
REF
= 4.096V (external reference operation), REFCAP = AVDD1, maximum single-ended bipolar input
range (±3 x V
REF
), C
DOUT
= 50pF, C
SSTRB
= 50pF; unless otherwise noted.)
PREAMPLIFIER SUPPLY CURRENT
vs. PREAMPLIFIER SUPPLY VOLTAGE
MAX1032 toc06
V
AVDD2
(V)
I
AVDD2
(mA)
5.155.054.954.85
0.12
0.14
0.16
0.18
0.20
0.10
4.75 5.25
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
PARTIAL POWER-DOWN MODE
AIN1 – AIN7 = AGND2
AIN0 = +FS
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX1032 toc07
V
DVDD
(V)
I
DVDD
(mA)
5.155.054.954.85
0.111
0.112
0.113
0.114
0.115
0.110
4.75 5.25
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
PARTIAL POWER-DOWN MODE