參數(shù)資料
型號(hào)： THS8083CPZP
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： POWER, THERMALLY ENHANCED, PLASTIC, TQFP-100
文件頁數(shù)： 3/61頁
文件大?。?/td> 266K
代理商： THS8083CPZP
1–5
1.5
Abbreviations Used in This Document
PGA
Programmable gain amplifier
PLL
Phase-locked loop
I2C
Inter-IC interface
EMI
Electro-magnetic interference
NTSC
National Television Systems Committee
PAL
Phase alternating line
DTV
Digital TV
VBI
Vertical blanking interval
CS
Composite sync
1.6
Conventions
Throughout this document, the term YUV refers to a video/graphics signal, consisting of three components, of which
one component (Y) has its blanking level corresponding to the bottom level of the video signal range. The other two
components (U&V) have their blanking level at the mid-scale of the video signal range (since U&V are color difference
signals and thus, can go positive or negative with respect to blanking).
YUV, therefore should not be restricted to NTSC/PAL component formats, but also includes baseband component
video formats used in DTV that should in a strict sense be denoted as analog YCbCr or YPbPr.
The term RGB refers to a video/graphics signal, consisting of three components, of which all components have their
blanking level corresponding to the bottom level of the video signal range. Therefore, it relates to both RGB PC
formats as well as red-green-blue video component signals, sometimes denoted as GBR instead of RGB in video
broadcast environments.
1.7
THS8083 Terminal Functions Order
TERMINAL
I/O/B
TYPE
DESCRIPTION
NAME
NO.
I/O/B
TYPE
DESCRIPTION
POWER SUPPLIES
AVSS_PLL
24
I
A
Analog ground for PLL (XTL oscillator and analog PLL)
AVDD_PLL
25
I
A
Analog supply (3.3 V) for analog PLL
DVSS_PLL
21
I
A
Digital ground for digital PLL
DVDD_PLL
23
I
A
Digital supply (3.3 V) for digital PLL
AVSS_CH1
84
I
A
Analog ground for A/D channel 1
AVDD_CH1
85
I
A
Analog supply (3.3 V) for A/D channel 1
AVSS_CH2_3
91
I
A
Analog ground for A/D channel 2 and channel 3
AVDD_CH2_3
92
I
A
Analog supply (3.3 V) for A/D channel 2 and channel 3
DVDD
18, 50, 57
I
A
Digital supply for all logic, except digital PLL
DVSS
19, 58
I
A
Digital ground for all logic, except digital PLL
VSS
51
I
A
Substrate ground
AVDD_REF
75
I
A
Analog supply (3.3 V) for voltage and current reference generator
AVSS_REF
74
I
A
Analog ground (3.3 V) for voltage and current reference generator
I = input to device: O = output from device B = bidirectional
A = analog pin: D = digital pin
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