Datasheet

4Maxim Integrated
MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
ELECTRICAL CHARACTERISTICS (MAX11131/MAX11132) (continued)
(V
DD
= 2.35V to 3.6V, V
OVDD
= 1.5V to 3.6V, f
SAMPLE
= 3Msps, f
SCLK
= 48MHz, 50% duty cycle, V
REF+
= V
DD
, T
A
= -40NC to +125NC,
unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DIGITAL INPUTS (SCLK, DIN, CS, CNVST)
Input Voltage Low V
IL
V
OVDD
O
0.25
V
Input Voltage High V
IH
V
OVDD
O
0.75
V
Input Hysteresis V
HYST
V
OVDD
O
0.15
mV
Input Leakage Current I
IN
V
AIN_
= 0V or V
DD
±0.09 ±1.0
FA
Input Capacitance C
IN
3 pF
DIGITAL OUTPUTS (DOUT, EOC)
Output Voltage Low V
OL
I
SINK
= 200FA
V
OVDD
O
0.15
V
Output Voltage High V
OH
I
SOURCE
= 200FA
V
OVDD
O
0.85
V
Three-State Leakage Current I
L
CS = V
DD
-0.3 ±1.5
FA
Three-State Output Capacitance C
OUT
CS = V
DD
4 pF
POWER REQUIREMENTS
Positive Supply Voltage V
DD
2.35 3.0 3.6 V
Digital I/O Supply Voltage V
OVDD
1.5 3.0 3.6 V
Positive Supply Current I
DD
f
SAMPLE
= 3Msps 5.1 6.5
mAf
SAMPLE
= 0 (3Msps devices) 2.5
Full shutdown 0.0013 0.006
Power Dissipation
Normal mode
(external
reference)
V
DD
= 3V,
f
SAMPLE
= 3Msps
15.2
mW
V
DD
= 2.35V,
f
SAMPLE
= 3Msps
10.3
AutoStandby
V
DD
= 3V,
f
SAMPLE
= 3Msps
7.3
V
DD
= 2.35V,
f
SAMPLE
= 3Msps
4.35
Full/
AutoShutdown
V
DD
= 3V 3.9
FW
V
DD
= 2.35V 1.7