MAX1211(2003) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1211 Datasheet PDF : 29 Pages
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65Msps, 12-Bit, IF Sampling ADC
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), CREFOUT = 0.1µF, CL ≈ 5pF at digital outputs, VIN =
-0.2dBFS, CLKTYP = high, PD = low, G/T = low, fCLK = 65MHz (50% duty cycle), CREFP = CREFN = 0.1µF to GND, 10µF between
REFP and REFN, CCOM = 0.1µF in parallel with 2.2µF to GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
UNBUFFERED EXTERNAL REFERENCE (REFIN = GND, VREFP, VREFN, and VCOM are applied externally)
COM Input Voltage
VCOM
VDD / 2
REFP Input Voltage
VREFP - VCOM
0.512
REFN Input Voltage
VREFN - VCOM
-0.512
Differential Reference Input
Voltage
VREF
VREF = VREFP - VREFN
1.024
REFP Sink Current
IREFP VREFP = 2.162V
1.1
REFN Source Resistance
IREFN VREFP = 1.138V
1.1
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
0.7
Differential Input Common-Mode
Voltage
CLKTYP = high
VDD / 2
Clock Duty Cycle
50
Clock Duty-Cycle Tolerance
±30
Input Capacitance
CIN
2
DIGITAL INPUTS (CLKTYP, G/T, PD)
Input High Threshold
VIH
0.8 x
OVDD
Input Low Threshold
VIL
Input Leakage Current
Input Capacitance
CIN
DIGITAL OUTPUTS (D0–D11, DAV, DOR)
Output-Voltage Low
VOL
Output-Voltage High
Tri-State Leakage Current
VOH
ILEAK
VIH = OVDD
VIL = 0
D0–D11, DOR, ISINK = 200µA
DAV, ISINK = 600µA
D0–D11, DOR, ISOURCE = 200µA
DAV, ISOURCE = 600µA
(Note 2)
2
OVDD
- 0.2
0.1
OVDD
- 0.1
<±5
MAX
0.2 x
VDD
0.2 x
OVDD
±5
±5
0.2
UNITS
V
V
V
V
mA
mA
pF
pF
V
V
V
V
%
%
pF
V
V
µA
pF
V
V
µA
4 _______________________________________________________________________________________
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