MAX1438 Datasheet, PDF (4/22 Pages) Maxim Integrated Products – Octal, 12-Bit, 65Msps, 1.8V ADC with Serial LVDS Outputs Serial LVDS Outputs

Octal, 12-Bit, 65Msps, 1.8V ADC
with Serial LVDS Outputs
ELECTRICAL CHARACTERISTICS (continued)
(V_AVDD = 1.8V, V_OVDD = 1.8V, V_CVDD = 3.3V, V_GND = 0V, external V_REFIO = 1.24V, C_REFIO = 0.1µF, C_REFP = 10µF, C_REFN = 10µF,
f_CLK = 65MHz (50% duty cycle), V_DT = 0V, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.) (Notes 2, 3)
PARAMETER
SYMBOL
CONDITIONS
Input Leakage Current
Input at GND
DI_{IN Input at AVDD}
Input Capacitance
DC_IN
DIGITAL INPUTS (PLL_, LVDSTEST, DT, SLVS, PD, T/B)
Input Logic-High Voltage
V_IH
MIN
TYP
5
0.8 x
V_AVDD
Input Logic-Low Voltage
V_IL
Input Leakage Current
Input at GND
DI_{IN Input at AVDD}
Input Capacitance
DC_IN
5
LVDS OUTPUTS (OUT_P, OUT_N), SLVS/LVDS = 0
Differential Output Voltage
V_OHDIFF R_TERM = 100Ω
250
Output Common-Mode Voltage
Rise Time (20% to 80%)
V_OCM
t_RL
R_TERM = 100Ω
R_TERM = 100Ω, C_LOAD = 5pF
1.125
350
Fall Time (80% to 20%)
t_FL
R_TERM = 100Ω, C_LOAD = 5pF
350
SLVS OUTPUTS (OUT_P, OUT_N, CLKOUTP, CLKOUTN, FRAMEP, FRAMEN), SLVS/LVDS = 1, DT = 1
Differential Output Voltage
V_OHDIFF R_TERM = 100Ω
205
Output Common-Mode Voltage
V_OCM R_TERM = 100Ω
220
Rise Time (20% to 80%)
t_RS
R_TERM = 100Ω, C_LOAD = 5pF
320
Fall Time (80% to 20%)
t_FS
R_TERM = 100Ω, C_LOAD = 5pF
320
POWER-DOWN
PD Fall to Output Enable
t_ENABLE (Note 7)
100
PD Rise to Output Disable
t_DISABLE
20
POWER REQUIREMENTS
AVDD Supply Voltage Range
V_AVDD
1.7
1.8
OVDD Supply Voltage Range
V_OVDD
1.7
1.8
CVDD Supply Voltage Range
V_CVDD
1.7
1.8
PD = 0
422
AVDD Supply Current
I_AVDD
f_IN = 19.3MHz ^{PD = 0, DT = 1}
at -0.5dBFS _{PD = 1, power-down,}
422
no clock input
1.16
PD = 0
85
OVDD Supply Current
I_OVDD
f_IN = 19.3MHz ^{PD = 0, DT = 1}
at -0.5dBFS _{PD = 1, power-down,}
no clock input
85
960
CVDD Supply Current
I_CVDD
CVDD is used only to bias ESD-protection
diodes on CLK input, Figure 2
0
Power Dissipation
P_DISS f_IN = 19.3MHz at -0.5dBFS
913
MAX
5
80
UNITS
µA
pF
V
0.2 x
V_AVDD
V
5
µA
80
pF
450
mV
1.375
V
ps
ps
mV
mV
ps
ps
ms
ns
1.9
V
1.9
V
3.6
V
465
mA
mA
110
mA
µA
mA
1035
mW
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