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MAX1132 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX1132
Description  16-Bit ADC, 200ksps, 5V Single-Supply with Reference
Download  19 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1132 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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16-Bit ADC, 200ksps, 5V Single-Supply
with Reference
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +5V ±5%, fSCLK = 4.8MHz, external clock (50% duty cycle), 24 clocks/conversion (200ksps), bipolar input, external
VREF = +4.096V, VREFADJ = AVDD, CREF = 2.2µF, CCREF = 1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Capacitive Bypass at REF
0.47
10
µF
Maximum Capacitive Bypass at
REFADJ
10
µF
REFADJ Output Voltage
4.096
V
REFADJ Input Range
For small adjustments from 4.096V
±100
mV
REFADJ Buffer Disable
Threshold
To power-down the internal reference
AVDD -
0.5V
AVDD -
0.1V
V
Buffer Voltage Gain
1
V/V
EXTERNAL REFERENCE (Reference buffer disabled. Reference applied to REF)
Input Range (Notes 5 and 6)
3.0
4.096
4.2
V
VREF = 4.096V, fSCLK = 4.8MHz
250
VREF = 4.096V, fSCLK = 0
230
Input Current
In power-down, fSCLK = 0
0.1
µA
DIGITAL INPUTS
Input High Voltage
VIH
2.4
V
Input Low Voltage
VIL
0.8
V
Input Leakage
IIN
VIN = 0 or DVDD
±1
µA
Input Hysteresis
VHYST
0.2
V
Input Capacitance
CIN
10
pF
DIGITAL OUTPUTS
Output High Voltage
VOH
ISOURCE = 0.5mA
DVDD -
0.5
V
ISINK = 5mA
0.4
Output Low Voltage
VOL
ISINK = 16mA
0.8
V
Three-State Leakage Current
IL
CS = DVDD
±10
µA
Three-State Output
Capacitance
CS = DVDD
10
pF
POWER SUPPLIES
Analog Supply (Note 7)
AVDD
4.75
5
5.25
V
Digital Supply (Note 7)
DVDD
4.75
5
5.25
V
Unipolar mode
5
8
Bipolar mode
8.5
11
mA
Analog Supply Current
IANALOG
SHDN = 0, or software power-down mode
0.3
10
µA
Unipolar or bipolar mode
2.5
3.5
mA
Digital Supply Current
IDIGITAL
SHDN = 0, or software power-down mode
2.2
10
µA
Power-Supply Rejection Ratio
(Note 8)
PSRR
AVDD = DVDD = 4.75V to 5.25V
72
dB


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