MAX12553ETL データシートの表示（PDF） - Maxim Integrated
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MAX12553ETL Datasheet PDF : 28 Pages
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14-Bit, 65Msps, 3.3V ADC
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), VIN = -0.5dBFS, CLKTYP = high, DCE = high, PD = low,
G/T = low, fCLK = 65MHz (50% duty cycle), TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
INTERNAL REFERENCE (REFIN = REFOUT; VREFP, VREFN, and VCOM are generated internally)
REFOUT Output Voltage
VREFOUT
2.002 2.048 2.066
V
COM Output Voltage
VCOM VDD/2
1.65
V
Differential Reference Output
Voltage
VREF VREF = VREFP - VREFN = VREFIN x 3/4
1.536
V
REFOUT Load Regulation
35
mV/mA
REFOUT Temperature Coefficient
REFOUT Short-Circuit Current
TCREF
Short to VDD—sinking
Short to GND—sourcing
+50
ppm/°C
0.24
mA
2.1
BUFFERED EXTERNAL REFERENCE (REFIN driven externally; VREFIN = 2.048V, VREFP, VREFN, and VCOM are generated internally)
REFIN Input Voltage
VREFIN
2.048
V
REFP Output Voltage
VREFP (VDD/2) + (VREFIN x 3/8)
2.418
V
REFN Output Voltage
VREFN (VDD/2) - (VREFIN x 3/8)
0.882
V
COM Output Voltage
VCOM VDD/2
1.60 1.65 1.70
V
Differential Reference Output
Voltage
VREF VREF = VREFP - VREFN = VREFIN x 3/4
1.463 1.536 1.601
V
Differential Reference
±25
Temperature Coefficient
REFIN Input Resistance
>50
UNBUFFERED EXTERNAL REFERENCE (REFIN = GND; VREFP, VREFN, and VCOM are applied externally)
COM Input Voltage
VCOM VDD/2
1.65
REFP Input Voltage
VREFP - VCOM
0.768
REFN Input Voltage
VREFN - VCOM
-0.768
Differential Reference Input
Voltage
VREF VREF = VREFP - VREFN = VREFIN x 3/4
1.536
REFP Sink Current
IREFP VREFP = 2.418V
1
REFN Source Current
IREFN VREFN = 0.882V
0.7
COM Sink Current
ICOM
0.7
REFP, REFN Capacitance
13
COM Capacitance
6
CLOCK INPUTS (CLKP, CLKN)
Single-Ended Input High
Threshold
VIH
CLKTYP = GND, CLKN = GND
0.8 x
VDD
Single-Ended Input Low
Threshold
VIL
CLKTYP = GND, CLKN = GND
Differential Input Voltage Swing
CLKTYP = high
1.4
Differential Input Common-Mode
Voltage
CLKTYP = high
VDD / 2
0.2 x
VDD
ppm/°C
MΩ
V
V
V
V
mA
mA
mA
pF
pF
V
V
VP-P
V
4 _______________________________________________________________________________________
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