Rainbow Electronics MAX109 - Manual (Page 4)

MAX109
8-Bit, 2.2Gsps ADC with Track/Hold Amplifier
and 1:4 Demultiplexed LVDS Outputs
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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
REFERENCE INPUT AND OUTPUT (REFIN, REFOUT)
Reference Output Voltage REFOUT 2.460 2.500 2.525 V
Reference Output Load
Regulation
∆REFOUT 0 < I
SOURCE < 2.5mA < 7.5 mV
Reference Input Voltage REFIN
2.500
± 0.25
V
Reference Input Resistance R REFIN 4 5 k Ω
CLOCK INPUTS (CLKP, CLKN)
Clock Input Amplitude Peak-to-peak differential (Figure 13b)
200 to
2000
mV
Clock Input Common-Mode
Range
Signal and offset referenced to CLKCOM -2 to +2 V
Clock Input Resistance R CLK CLKP and CLKN to CLKCOM 45 50 55 Ω
Input Resistance Temperature
Coefficient
TC
R
150 ppm/°C
CMOS CONTROL INPUTS (DDR, QDR, PRN, DELGATE0, DELGATE1)
High-Level Input Voltage V IH Threshold voltage = 1.2V 1.4 3.3 V
Low-Level Input Voltage V IL Threshold voltage = 1.2V 0.8 V
High-Level Input Current I IH V IH = 3.3V 50 µA
Low-Level Input Current I
IL
V
IL
= 0V -50 µA
LVDS INPUTS (RSTINP, RSTINN)
Differential Input High Voltage 0.2 V
Differential Input Low Voltage -0.2 V
Minimum Common-Mode Input
Voltage
1 V
Maximum Common-Mode Input
Voltage V C C O -
0.15
V
TEMPERATURE MEASUREMENT OUTPUT (TEMPMON)
Temperature Measurement
Accuracy T (°C) = [(V TEMPMON - V GNDI ) x 1303.5] -
371
±7 °C
Output Resistance Measured between TEMPMON and GNDI 0.725 k Ω
LVDS OUTPUTS (PortA, PortB, PortC, PortD, DORP, DORN, DCOP, DCON, RSTOUTP, RSTOUTN) (Note 9)
Differential Output Voltage V OD R LOAD = 100 Ω 250 400 mV
Output Offset Voltage V OS R LOAD = 100 Ω 1.10 1.28 V
DC ELECTRICAL CHARACTERISTICS (continued)
(V CC A = V CC I = V CC D = 5V, V CC O = 3.3V, V EE = -5V, GNDA = GNDI = GNDO = GNDD = GNDR = 0V, VOSADJ = SAMPADJ =
open, digital output pins differential R L = 100Ω. Specifications ≥ +25°C guaranteed by production test, < +25°C guaranteed by
design and characterization. Typical values are at T A = +25°C, unless otherwise noted.)