Datasheet

(V
DD
= +5V ±5%, V
L
= 2.7V to 3.6V; V
SS
= 0V or -5V ±5%; f
SCLK
= 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion
cycle (133ksps); MAX1202—4.7μF capacitor at REF pin; MAX1203—external reference, V
REF
= 4.096V applied to REF pin; T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DIGITAL INPUTS—DIN, SCLK, CS, SHDN
DIN, SCLK, CS Input High Voltage V
IH
2.0 V
DIN, SCLK, CS Input Low Voltage V
IL
0.8 V
DIN, SCLK, CS Input Hysteresis V
HYST
0.15 V
DIN, SCLK, CS Input Leakage I
IN
V
IN
= 0V or V
DD
±1 µA
DIN, SCLK, CS Input Capacitance C
IN
(Note 6) 15 pF
SHDN Input High Voltage V
SH
V
DD
- 0.5 V
SHDN Input Mid Voltage V
SM
1.5 V
DD
- 1.5 V
SHDN Voltage, Unconnected V
FLT
SHDN = open 2.75 V
SHDN Input Low Voltage V
SL
0.5 V
SHDN Input Current, High I
SH
SHDN = V
DD
4.0 µA
SHDN Input Current, Low I
SL
V
SHDN
= 0V -4.0 µA
SHDN Maximum Allowed Leakage,
Mid-Input
SHDN = open -100 +100 nA
DIGITAL OUTPUTS—DOUT, SSTR (V
L
= 2.7V to 3.6V)
Output Voltage Low V
OL
I
SINK
= 3mA 0.4
V
I
SINK
= 6mA 0.3
Output Voltage High V
OH
I
SOURCE
= 1mA V
L
- 0.5 V
Three-State Leakage Current I
LEAK
CS = V
L
±10 µA
Three-State Output Capacitance C
OUT
CS = V
L
(Note 6) 15 pF
DIGITAL OUTPUTS—DOUT, SSTR (V
L
= 4.75V to 5.25V)
Output Voltage Low V
OL
I
SINK
= 5mA 0.4
V
I
SINK
= 8mA 0.3
Output Voltage High V
OH
I
SOURCE
= 1mA 4 V
Three-State Leakage Current I
LEAK
V
CS
= 5V ±10 µA
Three-State Output Capacitance C
OUT
V
CS
= 5V (Note 6) 15 pF
MAX1202/MAX1203 5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
www.maximintegrated.com
Maxim Integrated │ 5
Electrical Characteristics (continued)