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MAX1196 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX1196
Description  Dual 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1196 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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Dual 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = OVDD = 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10k
resistor, VIN = 2VP-P (differential with respect to COM), CL = 10pF at digital outputs (Note 5), fCLK = 40MHz, TA = TMIN to TMAX,
unless otherwise noted.
≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization. Typical values
are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
BUFFERED EXTERNAL REFERENCE (VREFIN = 2.048V)
Positive Reference Output
Voltage
VREFP
(Note 5)
2.012
V
Negative Reference Output
Voltage
VREFN
(Note 5)
0.988
V
Common-Mode Level
VCOM
(Note 5)
VDD / 2
±0.1
V
Differential Reference Output
Voltage Range
∆VREF
∆VREF = VREFP - VREFN
1.024
±2%
V
REFIN Resistance
RREFIN
>50
M
Maximum REFP, COM Source
Current
ISOURCE
5mA
Maximum REFP, COM Sink Current
ISINK
-250
µA
Maximum REFN Source Current
ISOURCE
250
µA
Maximum REFN Sink Current
ISINK
-5
mA
UNBUFFERED EXTERNAL REFERENCE (VREFIN = AGND, reference voltage applied to REFP, REFN, and COM)
REFP, REFN Input Resistance
RREFP,
RREFN
Measured between REFP and REFN
4
k
REFP, REFN, COM Input
Capacitance
CIN
15
pF
Differential Reference Input
Voltage Range
∆VREF
∆VREF = VREFP - VREFN
1.024
±10%
V
COM Input Voltage Range
VCOM
VDD / 2
±5%
V
REFP Input Voltage
VREFP
VCOM +
∆VREF / 2
V
REFN Input Voltage
VREFN
VCOM -
∆VREF / 2
V
DIGITAL INPUTS (CLK, PD, OE, SLEEP, T/B)
CLK
0.8
×
VDD
Input High Threshold
VIH
PD, OE, SLEEP, T/B
0.8
×
OVDD
V
CLK
0.2
×
VDD
Input Low Threshold
VIL
PD, OE, SLEEP, T/B
0.2
×
OVDD
V


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