參數(shù)資料
型號: SN761210
廠商: Texas Instruments, Inc.
英文描述: VIDEO-PROCESSING CIRCUIT
中文描述: 視頻處理電路
文件頁數(shù): 12/14頁
文件大?。?/td> 178K
代理商: SN761210
SN761210
VIDEO-PROCESSING CIRCUIT
SOCS042 – JUNE 1994
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
auto-iris section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Threshold peak-to-peak voltage
IRIS to IRISFIL
CENTER open
0.21
V
VIT
Adjustable threshold voltage
CENTER
0.1
V
No sensitivity width of comparator
(peak-to-peak voltage)
IRIS to IRISFIL
WIDTH open
0.16
V
No sensitivity width adjustment of comparator
WIDTH
VWID = 0.5
VWID = 2
VCC = 4.75 V
VCC = 4.75 V
0.08
V
0.24
VOH
VOL
High-level output voltage
HIB, LOB
4.7
4.9
V
Low-level output voltage
HIB, LOB
0.1
V
output-amplifier section
PARAMETER
TEST CONDITIONS
MIN
1.94
TYP
MAX
2.06
UNIT
VI
Input voltage
YHIN
CLAMP = 5 V
2
V
CHARAIN
1.85
1.9
1.97
VI(PP)
Input signal voltage
YHIN, CHARAIN
0.5
V
VO
VO(PP)
Output voltage
VIDEO
2
V
Output signal voltage
VIDEO
2.1
V
Sync output voltage
VIDEO
SYNCLVL open
0.594
V
VIT
Input voltage threshold
CLAMP, CYSNC,
CBLK
1.9
2
2.1
V
High-clip peak-to-peak voltage
YHIN to VIDEO
HICPLVL open
0.6
V
Low-clip peak-to-peak voltage
YHIN to VIDEO
–0.05
V
VO(PP)
Setup voltage
VIDEO
CSYNC open
0.1
V
II
Input current
YHIN, CHARAIN
CLAMP = 0,
VCC = 5.25 V
–0.2
0.05
0.02
μ
A
CLAMP
–1
1
IIH
High-level input current
CSYNC
VCC = 5.25 V,
VI = 5 V
0
7
μ
A
CBLK
–1
1
CLAMP
–7
0
IIL
Low-level input current
CSYNC
VCC = 5.25 V,
VI = 0
–1
1
μ
A
CBLK
–7
0
IO
Output current
VIDEO
30
60
mA
GP
Gain
YHIN to VIDEO
9
9 5
9.5
10
dB
CHARIN to VIDEO
Crosstalk
SULVL to VIDEO
70
dB
SYNCLVL to VIDEO
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