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参数资料
| 型号： | LA72910V |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO16 |
| 封装： | 0.225 INCH, SSOP-16 |
| 文件页数： | 3/10页 |
| 文件大小： | 163K |
| 代理商： | LA72910V |
LA72910V
No.A0783-2/10
Electrical Characteristics at Ta
= 25°C, VCC = 5V
DC CHARACTERISTICS T6 = 0.4V, T9 = 2.0V, T10 = 0.4V
Ratings
Parameter
Symbol
In
OUT
Conditions
min
typ
max
Unit
Control terminal
(Pin6,9) Low level
CNT6L
CNT9L
T6
T9
Low level of control terminal of ALL mode.
T6 = 0.4V(DEMOD mode),
T9 = 0.4V (Standby mode)
0
0.4
V
Control terminal
(Pin6,9)High level
CNT6H
CNT9H
T6
T9
High level of input terminal of ALL mode
T6 = 2.0V (MOD mode), T9 = 2.0V (Normal mode)
2.0
5.0
V
Input5 Low level
IN5L
T5
Low level of input terminal of MOD mode
T6 = 2.0V, T9 = 2.0V, T10 = 0.4V
0
0.4
V
Input5 High level
IN5H
T5
High level of input terminal of MOD mode
T6 = 2.0V, T9 = 2.0V, T10 = 0.4V
2.0
5.0
V
Input10 Low level
IN10L
T10
Low level of input terminal of MOD mode
T5 = 0.4V, T6 = 2.0V, T9 = 2.0V
0
0.4
V
Input10 High level
IN10H
T10
High level of input terminal of MOD mode
T5 = 0.4V, T6 = 2.0V, T9 = 2.0V
2.0
5.0
V
Output10 terminal
High level
OPH10
T10
DEMOD mode: FM-Signal input
T6 = 0.4V, T9 = 2.0V, Pull-UP:15K
4.7
V
Output10 terminal
Low level
OPL13
OPL18
T10
T10: DEMOD mode: FM No-signal
Measure the sink level of output terminal.
T6 = 0.4V, T9 = 2.0V, Pull-UP:15K
0
0.25
0.4
V
Input12 Low level
IN12L
T12
Voltage of terminal at AGC ON
T6 = 0.4V, T9 = 2.0V
0
3
V
Input12 High level
IN12H
T12
Voltage of terminal at AGC OFF
T6 = 0.4V, T9 = 2.0V
4.5
5.0
V
5pin AC input dynamic
range
ACIN5
T5A
T3
Input amplitude level of FM signal
Freq: 11.5MHz to 13.5MHz
1000
mVp-p
16pin AC input
dynamic range
ACIN16
T16A
T3
Maximum input level of T16A at Video signal
1.5
Vp-p
Video FM Modulation Block (MOD) T6=2.0V,T9=2.0V,T10=0.4V,T15=5V
Ratings
Parameter
Symbol
In
OUT
Conditions
min
typ
max
Unit
Current dissipation
ICCR
measure the currents into pins 2 (MOD mode)
19.5
23.0
26.5
mA
FM modulator output
level
VFM1
T3
Measure the output level on T3 (No signal input)
It is load impedance 200
between T3-GND.
1.8
2.2
Vp-p
FM Mute output level
VFM2
T3
Measure the T3 output level with 2nd call
0
10
20
mVp-p
Carrier frequency
FFM
T3
Measure the output frequency on T3
with no signal input
10.9
11.5
12.1
MHz
FM output Second
harmonic distortion
THD2
T3
Measure the second harmonics distortion
with the above condition
-30
-20
dB
Deviation
DEV
T16A
T3
With T16A 100% White 1Vp-p signal,
Measure the deviation on T3
1.9
2.0
2.1
MHz
FM modulator linearity
(11.5MHz to 13.5MHz)
LMOD
T16A
T3
Let f2.85, f3.35 and f3.85 be the output frequency
when 2.85V, 3.35V and 3.85V is applied to T16A
LMOD=
× 100
-2
0
+2
%
Emphasis gain
GEMP
T16A T12
With VIN a 300mVp-p 10kHz sine wave,
Measure the ratio of the levels on T16A and T12
-7.5
-6.0
-4.5
dB
Main linear emphasis
characteristics(1)
GME1
T16A T12
With VIN a 300mVp-p 500kHz sine wave,
Measure the ratio of the levels on T16A and T12
-1.5
0.0
+1.5
dB
Main linear emphasis
characteristics(2)
GME2
T16A T12
With VIN a 300mVp-p 2MHz sine wave,
Measure the ratio of the levels on T16A and T12
2.5
4.0
5.5
dB
White clipping level
LWC
T16A T12
With VIN a 1.5Vp-p 100% white video signal.
Measure the white clipping level on T12
180
200
220
%
Dark clipping level
LDC
T16A T12
With VIN a 1.5Vp-p 100% white video signal.
Measure the dark clipping level on T12.
-60
-50
-40
%
FM stop beginning
delay time
(VD characteristic 1B)
TC1
T5
T3
C7=0.01
F, Time from fall of T5 signal to doing of
FM carrier of T3 STOP
240
300
360
sec
FM stop time
(VD characteristic2A)
TC2
T5
T3
C8=0.001
F, Stop time of FM carrier of T3
30
40
50
sec
Minimum VD pulse
width
VDT
T5
T3
C7=0.01
F, Minimum VD pulse width to which
TC1B is normally output
63
sec
f3.35 - (f3.85 + f2.85) / 2
f3.85 – f2.85
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