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LA70020 Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part No. LA70020
Description  Recording/Playback Amplifier for VHS VCRs
Download  13 Pages
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Maker  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA70020 Datasheet(HTML) 4 Page - Sanyo Semicon Device

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No. 5711-4/13
LA70020, 70020M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Playback Mode
Current drain
HICCP
Current flowing into pin 36
20
25
30
mA
Voltage gain
CH1
HGVP1VIN = 20 mVp-p, f = 1.5 MHz
72.5
75.5
78.5
dB
CH2
HGVP2
72.5
75.5
78.5
dB
Voltage gain difference
∆HGVP
HGVP1 — HGVP2–2
0
+2
dB
Intermode gain difference
∆HGEP
Voltage gain difference between SP and EP
1.7
2.4
3.1
dB
modes. *1
Ratio of the output from a 1.1-MHz low pass
Converted input noise voltage
CH1
HVNIN1
filter to the output with no input under the
0.8
1.2
µVrms
CH2
HVNIN2
same conditions as those used for measuring
voltage gain.
Frequency characteristic
CH1
∆HVfp1
Ratios of the output for VIN = 20 mVp-p and f =
–3
–1
dB
CH2
∆HVfp2
2 MHz to the voltage gains HGVP1 and HGVP2.
CH1
∆HVHDP1 Ratio of the 3-MHz (secondary) component of
Secondary harmonic distortion
CH2
∆HVHDP2 the output to its 1.5-MHz (primary) component
–50
–40
dB
for VIN = 20 mVp-p and f = 1.5 MHz.
CH1
∆HVOMP1 Output level, for f = 1.5 MHz, at which the
Maximum output level
CH2
∆HVOMP2 ratio of the 4.5 MHz (secondary) component
2
Vp-p
to the 1.5 MHz (primary) component is –30 dB.
VHCR1
Ratio of the output for VIN = 20 mVp-p and
–40
–35
dB
Crosstalk SP
f = 1.5 MHz to HGVP1.
VHCR2
Ratio of the output for VIN = 20 mVp-p and
–40
–35
dB
f = 1.5 MHz to HGVP2.
VHCR3
Ratio of the output for VIN = 20 mVp-p and
–40
–35
dB
Crosstalk EP
f = 1.5 MHz to HGVP1.
VHCR4
Ratio of the output for VIN = 20 mVp-p and
–40
–35
dB
f = 1.5 MHz to HGVP2.
Output DC offset SP mode
∆VODC1 CH1 — CH2
–30
0
+30
mV
Output DC offset EP mode
∆VODC2 CH1 — CH2
–50
0
+50
mV
HA threshold level
HHAP-1
SP
→ EP : *11.7
5.0
V
HHAP-2
EP
→ SP
0.0
1.3
V
SW30 threshold level
HSW30-1
Lch
→ Hch : *11.2
5.0
V
HSW30-2
Hch
→ Lch
0.0
0.8
V
SW-Tr on resistance during playback
HRPON
DC difference for 1 and 2 mA current inputs.
4
6
Recording Mode
Current drain
HICCR
Current input at pin 36.
55
65
75
mA
REC AGC AMP output level
HVOR
Output level for VIN = 180 mVp-p and
270
280
290
mVp-p
f = 1.5 MHz.
∆HVAGC1
Output level divided by HVOR for f = 1.5 MHz
0.2
0.5
dB
REC AGC AMP control characteristic
and VIN = 360 mVp-p.
∆VAGC2
Output level divided by HVOR for f = 1.5 MHz
–0.5
–0.2
dB
and VIN = 90 mVp-p.
REC AGC AMP muting attenuation
∆HVMR
Output level divided by HVOR for f = 4 MHz
–40
dB
and VIN = 180 mVp-p.
REC AGC AMP cross modulation relative
HCMD04
0.4-MHz component for T3A VIN = 90 mVp-p,
–40
dB
level for 0.4-MHz component
f = 1.3 MHz + VIN = 270 mVp-p, f = 1.7 MHz.
REC AGC AMP cross modulation relative
HCMD09
0.9-MHz component for T3A VIN = 90 mVp-p,
–40
dB
level for 0.9-MHz component
f = 1.3 MHz + VIN = 270 mVp-p, f = 1.7 MHz.
REC MUTE threshold level
HMUTE1
MUTE OFF
→ MUTE ON *11.2
2.8
V
HMUTE2
MUTE ON
→ MUTE OFF
3.2
5.0
V
REC PB threshold level
PB-REC
PB
→ REC *11.2
5.0
V
REC-PB
REC
→ PB
0.0
0.8
V
Electrical Characteristics at Ta = 25°C (Hi-Fi Circuits)
Note : These are voltage application points.


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