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MAX1332 Datasheet, PDF (3/25 Pages) Maxim Integrated Products – 3Msps/2Msps, 5V/3V, 2-Channel, True-Differential 12-Bit ADCs
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3Msps/2Msps, 5V/3V, 2-Channel, True-
Differential 12-Bit ADCs
ELECTRICAL CHARACTERISTICS (MAX1332) (continued)
(AVDD = +4.75V to +5.25V, DVDD = +2.7V to +3.6V, fSCLK = 48MHz, VREF = 4.096V, TA = TMIN to TMAX, unless otherwise noted.
Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Aperture Delay
tAD
Figure 21
Aperture Jitter
tAJ
Figure 21
DIFFERENTIAL ANALOG INPUTS (AIN0P, AIN0N, AIN1P, AIN1N)
Differential Input Voltage Range
(VAIN_P - VAIN_N)
BIP/UNI = DGND
VIN
BIP/UNI = DVDD
Absolute Input Voltage Range
<10
ns
<10
ps
0
-VREF / 2
AGND
- 50mV
VREF
V
+VREF / 2
AVDD
+
V
50mV
DC Leakage Current
Input Capacitance
REFERENCE INPUT (REF)
ILKG
CIN
±1
µA
14
pF
REF Input Voltage Range
VREF
AVDD
1.0
+
V
50mV
REF Input Capacitance
CREF
REF DC Leakage Current
IREF
DIGITAL INPUTS (SCLK, CNVST, SHDN, CHSEL, BIP/UNI)
14
pF
±10
µA
Input-Voltage Low
VIL
0.3 x
V
DVDD
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
VIH
IILKG
CIN
0.7 x
DVDD
V
100
mV
±0.2
±5
µA
15
pF
VOL
VOH
ILKGT
COUT
ISINK = 5mA
ISOURCE = 1mA
Between conversions, CNVST = DVDD
Between conversions, CNVST = DVDD
0.4
V
DVDD -
V
0.5
±1
µA
15
pF
AVDD
4.75
5.25
V
DVDD
2.7
3.6
V
IAVDD
Normal mode; average current (fSAMPLE =
3MHz, fSCLK = 48MHz)
Partial power-down mode
11
12
mA
3.5
6
Full power-down mode
0.1
2
µA
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