參數資料
型號: TMDS261BPAGR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數: 15/49頁
文件大?。?/td> 11321K
代理商: TMDS261BPAGR
Data+
Data–
Clk+
Clk–
Coax
SMA
AVCC
(4)
RT
AVCC
RT
TTP4
TTP2
TTP1
HDMI Cable
(1)
SMA
TTP3
Coax
SMA
Coax
SMA
Coax
SMA
Coax
Parallel
BERT
800-mVpp,
1000-mVpp,
1200-mVpp
Differential
Signal
With
Preemphasis
(3-dB, 120-ps
Duration
RT
(5)
RT
Eye Test
Instrument
(2, 3)
nnn
B0331-10
<2-inch
50-
Transmission Line
(6)
W
<2-inch
50-
Transmission Line
W
(6)
<2-inch
50-
Transmission Line
W
(6)
<2-inch
50-
Transmission Line
W
(6)
TMDS261B
OUT
RX
+EQ
RX
+EQ
Eye Test
Instrument
(2, 3)
nnn
SLLS987 – SEPTEMBER 2009 .......................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
AVCC = 3.3 V, RT = 50
(1)
The HDMI cable between TTP1 and TTP2 is 0 m (no loss) case. See Figure 15 for the loss profile of the cable.
(2)
Eye data is measured using an 8-GHz bandwith oscilloscope (Agilent).
(3)
Eye data is taken at TTP4.
(4)
AVCC = 3.3 V; VSadj = 4.02 k
.
(5)
RT = 50 .
(6)
2 inches = 5,08 cm.
NOTES: Output edge rate default (fastest): input edge rate from the video pattern generator greater than 75 ps (20%–80%).
The input signal from the parallel BERT has pre-emphasis. See Figure 26 for acceptable input pre-emphasis duration
and amplitude.
Pass/fail criterion: output eye at TTP4 should comply with output eye mask (See Figure 25). The input TMDS clock
frequencies tested: 25 MHz, 30.24 MHz, 36 MHz, 54 MHz, 65 MHz, 74.25 MHz, 84.75 MHz, 108 MHz, 135 MHz,
148.5 MHz, 185.625 MHz, 222.75 MHz, 297 MHz.
Figure 24. Input Pre-Emphasis Tolerance-Measurement Setup
22
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s) :TMDS261B
相關PDF資料
PDF描述
TMDS261BPAG SPECIALTY CONSUMER CIRCUIT, PQFP64
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TMDS261PAG SPECIALTY CONSUMER CIRCUIT, PQFP64
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