ADC16DX370 Datasheet, PDF (14/77 Pages) Texas Instruments – ADC16DX370 Dual 16-Bit 370 MSPS ADC

ADC16DX370
SNVSA18C – APRIL 2014 – REVISED AUGUST 2014
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6.9 Serial Data Output Interface Electrical Characteristics
Unless otherwise noted, these specifications apply for V_A3.0 = 3 V; V_A1.8 = 1.8 V; V_A1.2 = V_D1.2 = 1.2 V; F_CLKIN = F_S = 370
MSPS. Typical values are at T_A = 25°C.
PARAMETER
DESCRIPTION AND TEST CONDITIONS
MIN
TYP
MAX UNIT
SERIAL LANE OUTPUT CHARACTERISTICS (SA0, SA1, SB0, SB1)
V_OD
Zddiff
Output differential voltage⁽¹⁾
Differential peak-peak values. Assumes ideal 100-Ω load. De-
emphasis disabled.
Configurable via SPI
Differential output impedance at DC⁽²⁾
580
680
760
860
960
mV
1060
1140
1240
100
Ω
RLddiff
Differential output return loss magnitude
Relative to 100 Ω; For frequencies up to 5.5 GHz
–11
dB
Rdeemp
Transmitter de-emphasis values
V_OD configured to default value.
0
0.4
1.2
2.1
2.8
dB
3.8
4.8
6.8
(1) Specification applies to the electrical level diagram of Figure 3
(2) Specification applies to the electrical circuit diagram of Figure 4
½ V_OD
V_O+
V_O-
V_OS
GND
V_O+ and V_O- referenced to GND
V_OD = 2*|V_O+ ± V_O-|
V_OS = |V_O+ + V_O-| / 2
Figure 3. Electrical Level Diagram for Differential Output Signals
Ztt
+
-
VOS
Zrdiff / 2
V_O+
V_O-
Zrdiff / 2
Figure 4. Electrical Circuit Diagram for Differential Output Signals
14
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