MAX1332 Datasheet, PDF (6/25 Pages) Maxim Integrated Products – 3Msps/2Msps, 5V/3V, 2-Channel, True-Differential 12-Bit ADCs

3Msps/2Msps, 5V/3V, 2-Channel, True-
Differential 12-Bit ADCs
ELECTRICAL CHARACTERISTICS (MAX1333) (continued)
(AV_DD = +2.7V to +3.6V, DV_DD = +2.7V to AV_DD, f_SCLK = 32MHz, V_REF = 2.5V, T_A = T_MIN to T_MAX, unless otherwise noted. Typical
values are at T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input Capacitance
C_IN
REFERENCE INPUT (REF)
14
pF
REF Input Voltage
V_REF
AV_DD
1.0
+
V
50mV
REF Input Capacitance
C_REF
REF DC Leakage Current
I_REF
DIGITAL INPUTS (SCLK, CNVST, SHDN, CHSEL, BIP/UNI)
14
pF
±10
µA
Input-Voltage Low
V_IL
0.3 x
DV_DD
V
Input-Voltage High
Input Hysteresis
Input Leakage Current
Input Capacitance
DIGITAL OUTPUT (DOUT)
Output-Voltage Low
Output-Voltage High
Tri-State Leakage Current
Tri-State Output Capacitance
POWER REQUIREMENTS
Analog Supply Voltage
Digital Supply Voltage
Analog Supply Current
V_IH
I_ILKG
C_IN
0.7 x
V
DV_DD
100
mV
±0.2
±5
µA
15
pF
V_OL
V_OH
I_LKGT
C_OUT
I_SINK = 5mA
I_SOURCE = 1mA
Between conversions, CNVST = DV_DD
Between conversions, CNVST = DV_DD
0.4
V
DV_DD -
V
0.5
±1
µA
15
pF
AV_DD
2.7
3.6
V
DV_DD
2.7
AV_DD
V
I_AVDD
Normal mode; average current (f_SAMPLE =
2MHz, f_SCLK = 32MHz)
Partial power-down mode
9.5 11.5
mA
3.3
4
Full power-down mode
0.1
2
µA
Average current (f_SAMPLE = 2MHz, f_SCLK =
32MHz, zero-scale input)
3
5.4
mA
Digital Supply Current
Positive Supply Rejection
I_DVDD
PSR
Power-down (f_SCLK = 32MHz, CNVST =
DV_DD)
Static; all digital inputs are connected to
DV_DD or DGND
AV_DD = 2.7V to 3.6V, full-scale input
10
20
µA
0.2
2
±3
mV
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