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參數(shù)資料
| 型號(hào)： | SAA4981T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Monolithic integrated 16 : 9 compressor |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AD, SOT-137-1, SOP-24 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 131K |
| 代理商： | SAA4981T |
1995 Oct 05
9
Philips Semiconductors
Preliminary specification
Monolithic integrated 16 : 9 compressor
SAA4981
CHARACTERISTICS
V
CCA
= V
CCD
= 5 V; T
amb
= 25
°
C; f
HREF
= 15.625 kHz; substrate connected to V
EED
; YSIDE, BYSIDE and RYSIDE are
connected to CLAOUT; all voltages are referenced to V
EEA
= 0 V; input signal EBU colour bar 100/0/75/0
(CCIR recommended 471-1), Y = 0.32 V (p-p), (B
Y) = 1.33 V (p-p), (R
Y) = 1.05 V (p-p); source impedance
Z
is
= 300
; coupling capacitor C
k
= 2.2 nF; output loads connected to ground R
L
= 1 M
, C
L
= 20 pF; measured in
Fig.5; test input pin 12 has to be connected to V
EED
; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply (pins 20, 19, 8, 7 and 4);
note 1
V
CCA
I
CCA
V
CCD
I
CCD
analog supply voltage
analog supply current
digital supply voltage
digital supply current
4.75
35
4.75
1
5.0
50
5
9
5.5
65
5.5
14
V
mA
V
mA
Video inputs (pins 23, 22 and 21)
Y
V
iY(p-p)
C
I(Y)
I
LI(Y)
R
iY(cl)
(B
Y)
V
i(B-Y)(p-p)
C
I(B-Y)
I
LI(B-Y)
R
I(B-Y)(cl)
(R
Y)
V
i(R
Y)(p-p)
C
I(R
Y)
I
LI(R
Y)(cl)
R
I(R
Y)(cl)
HREF input (pin 6)
input voltage (peak-to-peak value)
input capacitance
input leakage current between clamping
input resistance during clamping
active video
0.32
2
0.45
10
0.1
5
V
pF
μ
A
k
input voltage (peak-to-peak value)
input capacitance
input leakage current between clamping
input resistance during clamping
active video
1.33
2
1.9
10
0.1
5
V
pF
μ
A
k
input voltage (peak-to-peak value)
input capacitance
input leakage current between clamping
input resistance during clamping
active video
1.05
2
1.5
0.1
5
V
pF
μ
A
k
V
i(top)
I
LI(HREF)
C
I(HREF)
V
slice
f
i
t
W
S
HREF
input voltage of the top pulse
input leakage current
input capacitance
slicing level below top pulse
input frequency
pulse width
steepness
3.0
0.5
14.0
1
400
0.75
15.6
6.5
10
10
1.0
17.2
V
μ
A
pF
V
kHz
μ
s
mV/ns
0.5 V under top
Side panel inputs (pins 15, 14 and 13)
V
i(side)
C
I(side)
I
LI(side)
input voltage
input capacitance
input leakage current
0.5
2.5
10
0.1
V
pF
μ
A
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