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| MAX1437B Datasheet, PDF (4/22 Pages) Maxim Integrated Products – Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs | |||
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Octal, 12-Bit, 50Msps, 1.8V ADC
with Serial LVDS Outputs
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = 1.8V, VOVDD = 1.8V, VCVDD = 3.3V, VGND = 0, external VREFIO = 1.24V, CREFIO to GND = 0.1µF || 1.0µF, CREFP to GND =
10µF, CREFN to GND = 10µF, fCLK = 50MHz (50% duty cycle), VDT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values
are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
DIGITAL INPUTS (PLL_, LVDSTEST, DT, SLVS, STBY)
Input High Threshold
VIH
CONDITIONS
MIN
TYP
0.8 x
VAVDD
Input Low Threshold
VIL
Input Leakage
Input at GND
DIIN
Input at VAVDD
Input Capacitance
DCIN
5
LVDS OUTPUTS (OUT_P, OUT_N), SLVS/LVDS = 0
Differential Output Voltage
VOHDIFF RTERM = 100Ω
250
Output Common-Mode Voltage
VOCM RTERM = 100Ω
1.125
Rise Time (20% to 80%)
tRL
RTERM = 100Ω, CLOAD = 5pF
350
Fall Time (80% to 20%)
tFL
RTERM = 100Ω, CLOAD = 5pF
350
SLVS OUTPUTS (OUT_P, OUT_N, CLKOUTP, CLKOUTN, FRAMEP, FRAMEN), VSLVS/LVDS = 1V, VDT = 1V
Differential Output Voltage
VOHDIFF RTERM = 100Ω
205
Output Common-Mode Voltage
VOCM RTERM = 100Ω
220
Rise Time (20% to 80%)
tRS RTERM = 100Ω, CLOAD = 5pF
320
Fall Time (80% to 20%)
tFS
RTERM = 100Ω, CLOAD = 5pF
320
STANDBY MODE (STBY)
STBY Fall to Output Enable
tENABLE
200
STBY Rise to Output Disable
tDISABLE
60
POWER REQUIREMENTS
AVDD Supply Voltage Range
OVDD Supply Voltage Range
CVDD Supply Voltage Range
AVDD Supply Current
OVDD Supply Current
VAVDD
1.7
1.8
VOVDD
1.7
1.8
VCVDD
1.7
1.8
VSTBY = 0, VDT = 0
348
IAVDD
fIN = 20MHz
at -0.5dBFS
VSTBY = 0, VDT = 1V
348
VSTBY = 1V, no clock input
37
VSTBY = 0
74
IOVDD
fIN = 20MHz
at -0.5dBFS
VSTBY = 0, VDT = 1V
103
VSTBY = 1V, no clock input
16
CVDD Supply Current
ICVDD
CVDD is used only to bias ESD-protection
diodes on CLK input, Figure 2
0
Power Dissipation
PDISS fIN = 20MHz at -0.5dBFS
759
MAX
0.2 x
VAVDD
5
80
450
1.375
1.9
1.9
3.5
390
100
882
UNITS
V
V
µA
pF
mV
V
ps
ps
mV
mV
ps
ps
µs
ns
V
V
V
mA
mA
mA
µA
mA
mW
4 _______________________________________________________________________________________
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