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參數(shù)資料
型號(hào)： TS8388BCFB/Q
廠商： E2V TECHNOLOGIES PLC
元件分類： ADC
英文描述： 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
封裝： CERAMIC, QFP-68
文件頁(yè)數(shù)： 20/47頁(yè)
文件大小： 1230K
代理商： TS8388BCFB/Q
27
TS8388BF
2144A–BDC–04/02
This is true so long as the inverted phase clock input pin is 50
terminated very closely to one
of the neighboring shield ground pins, which constitutes the local Ground reference for the
inphase clock input.
Thus the TS8388BF differential clock input buffer will fully reject the local ground noise (and
any capacitively and inductively coupled noise) as common mode effects. Moreover, a very
low phase noise sinewave generator must be used for enhanced jitter performance.
The typical inphase clock input amplitude is 1V peak to peak, centered on 0V (ground) com-
mon mode. This corresponds to a typical clock input power level of 4 dBm into the 50
termination resistor. Do not exceed 10 dBm to avoid saturation of the preamplifier input
transistors.
The inverted phase clock input is grounded through the 50
termination resistor.
Figure 29. Single-ended Clock Input (Ground common mode):
VCLK Common Mode = 0V; VCLKB = 0V; 4 dBm Typical Clock Input Power Level (into 50
termination resistor)
Note:
Do not exceed 10 dBm into the 50
termination resistor for single clock input power level.
Differential ECL Clock
Input
The clock inputs can be driven differentially with nominal -0.8V/-1.8V ECL levels.
In this mode, a low phase noise sinewave generator can be used to drive the clock inputs, fol-
lowed by a power splitter (hybrid junction) in order to obtain 180 degrees out of phase
sinewave signals. Biasing tees can be used for offseting the common mode voltage to ECL
levels.
Note: As the biasing tees propagation times are not matching, a tunable delay line is required
in order to ensure the signals to be 180 degrees out of phase especially at fast clock rates in
the GSPS range.
Figure 30. Differential Clock Inputs (ECL Levels)
50
(external)
1 M
0.4 pF
-0.5V
+0.5V
t
[V]
VCLK
CLK or CLKB double pad (pins 37, 38 or 39, 40)
CLK or CLKB
50
reverse termination
VCLK = 0V
VCLK
50
(external)
1 M
0.4 pF
CLK or CLKB double pad (pins 37, 38 or 39, 40)
CLK or CLKB
-2V
50
reverse termination
-1.8V
-0.8V
[mV]
VCLK
t
VCLKB
Common mode = -1.3V
相關(guān)PDF資料
PDF描述
TS8388BVFSB/Q 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
TS8388BCF 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
TS8388BMFB/Q 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
TS8388BMFB/T 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
TS8388BMFS9NB2 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP68
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS8388BCFS 制造商:e2v technologies 功能描述:ADC 8-BIT 1 GSPS - Trays
TS8388BCG 制造商:未知廠家 制造商全稱:未知廠家 功能描述:A/D CONVERTER
TS8388BCGL 制造商:e2v technologies 功能描述:ADC 8-BIT 1 GSPS - Trays
TS8388BCGL (+LID) 制造商:e2v technologies 功能描述:ADC 8-BIT 1 GSPS - Trays
TS8388BMF 制造商:e2v technologies 功能描述:ADC 8-BIT 1 GSPS - Trays
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