LA72910V Datasheet, PDF (2/10 Pages) Sanyo Semicon Device – Monolithic Linear IC FM Modulator and Demodulator IC

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