參數(shù)資料
型號(hào)： LA7337
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP28
封裝： DIP-28
文件頁(yè)數(shù)： 2/7頁(yè)
文件大?。?/td> 122K
代理商： LA7337
No. 5288-2/7
LA7337
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Record mode current drain
ICCR
V5 = V6 = 0 V, V16 = 0 V, S27 = composite
50
70
90
mA
sync., S15 = color bar signal
4.3-MHz band-pass filter characteristics (1)
VF4C
V6 = 5 V, V16 = 0 V, S27 = composite sync.
145
180
215
mVp-p
S15 = sine wave (200 mVp-p, f = 4.286 MHz)
As above, except S15 = sine wave
4.3-MHz band-pass filter characteristics (2)
GF4L1
(200 mVp-p, f = 1.1 MHz), taking VF4C as the
–30
–20
dB
reference (0 dB)
As above, except S15 = sine wave
4.3-MHz band-pass filter characteristics (3)
GF4L2
(200 mVp-p, f = 2.2 MHz), taking VF4C as the
–10
–5
dB
reference (0 dB)
As above, except S15 = sine wave
4.3-MHz band-pass filter characteristics (4)
GF4H
(200 mVp-p, f = 7.5 MHz), taking VF4C as the
–30
–20
dB
reference (0 dB)
V5 = V6 = 0 V, V16 = 0 V, SW21B = on,
Record mode bell filter center frequency (1)
FBLR1
S15 = sine wave (200 mVp-p, f = 4 to 5 MHz),
4.243
4.286
4.329
MHz
S27 = composite sync.
Record mode bell filter center frequency (2)
FBLR2
As above, except V5 = 4 V.
4.493
4.536
4.579
MHz
V5 = V6 = 0 V, V16 = 0 V, SW21B = on,
Record mode bell filter characteristics (1)
VBLRC
S15 = sine wave (200 mVp-p, f = FBLR1),
200
250
300
mVp-p
S27 = composite sync.
As above, except S15 = sine wave
Record mode bell filter characteristics (2)
GBLRL
(200 mVp-p, f = 3.8 MHz), taking VBLRC as
–14
–11
–8
dB
the reference (0 dB)
As above, except S15 = sine wave
Record mode bell filter characteristics (3)
GBLRH
(200 mVp-p, f = 4.8 MHz), taking VBLRC as
–14
–11
–8
dB
the reference (0 dB)
V5 = V6 = 0 V, S15 = a SECAM color bar
Record mode killer operating level
GKLR
signal (variable level), V16 = 0 V, SW21B = on,
–28
–23
–18
dB
V23 = 3.4 V, V24 = 3.7 V, S27 = composite sync.
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 0 V,
Record equalization center frequency (1)
FEQR1
S21 = sine wave (200 mVp-p, f = 4 to 5 MHz),
1.0608
1.0715
1.0822
MHz
SW21A = SW21B = on, S27 = composite sync.
Record equalization center frequency (2)
FEQR2
As above, except V6 = 4 V
1.0788
1.0895
1.1002
MHz
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 0 V,
Record equalization characteristics (1)
VEQRC
S21 = sine wave (200 mVp-p, f = FEQR1
× 4),
65
85
105
mVp-p
SW21A = SW21B = on, S27 = composite sync.
Record equalization characteristics (2)
GEQRL
As above, except S21 = sine wave (200 mVp-p,
8
11
14
dB
f = 3.8 MHz), taking VEQRC as the reference (0 dB)
Record equalization characteristics (3)
GEQRH
As above, except S21 = sine wave (200 mVp-p,
8
11
14
dB
f = 4.8 MHz), taking VEQRC as the reference (0 dB)
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 0 V,
Record chrominance signal output level
VOR
S15 = sine wave (200 mVp-p, f = 4.4 MHz),
80
110
140
mVp-p
SW21B = on, S27 = composite sync.
Record chrominance signal output unnecessary
As above, except measure the 2.2 MHz
spectrum (1)
GSR1
component in the T11 signal. Taking VOR as
–30
–20
dB
the reference (0 dB).
Record chrominance signal output unnecessary
As above, except measure the 3.3 MHz
spectrum (2)
GSR2
component in the T11 signal. Taking VOR as
–30
–20
dB
the reference (0 dB).
V5 = V6 = 0 V, V16 = 5 V, S27 = composite
Playback mode current drain
ICCP
sync., S13 = sine wave
60
80
100
mA
(50 mVp-p, f = 1.0715 MHz)
V6 = 5 V, SW8B = on, V16 = 5 V,
AGC control characteristics (1)
VAGC
S27 = composite sync., S13 = sine wave
90
120
150
mVp-p
(50 mVp-p, f = 1.0715 MHz)
As above, except S13 = sine wave
AGC control characteristics (2)
GAGC1
(100 mVp-p, f = 1.0715 MHz)
–1
0
+1
dB
Taking VAGC as the reference (0 dB).
As above, except S13 = sine wave
AGC control characteristics (3)
GAGC2
(25 mVp-p, f = 1.0715 MHz)
–1
0
+1
dB
Taking VAGC as the reference (0 dB).
V6 = 5 V, SW14 = on, V14 = V14R,
1.1-MHz band-pass filter characteristics (1)
GF1L
S13 = sine wave (50 mVp-p, f = 500 kHz),
–3
0
+3
dB
V16 = 5 V, S27 = composite sync., taking
VAGC as the reference (0 dB).
As above, except S13 = sine wave
1.1-MHz band-pass filter characteristics (2)
GF1H1
(50 mVp-p, f = 2.2 MHz)
–30
–20
dB
Taking VAGC as the reference (0 dB).
As above, except S13 = sine wave
1.1-MHz band-pass filter characteristics (3)
GF1H2
(50 mVp-p, f = 3.3 MHz)
–35
–25
dB
Taking VAGC as the reference (0 dB).
Operating Characteristics at Ta = 25°C, VCC = 5 V
Continued on next page.
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