PANASONIC AN7086S

ICs for Cassette, Cassette Deck
AN7086S
Recording/Playback Pre-/Power Amplifier IC for 3V Microcassette
■ Overview
Unit : mm
0.3
15.3±0.3
24
23
22
21
20
19
18
17
16
15
14
13
7.2±0.3
9.4±0.3
2.0±0.2
circuit
switch
1
2
3
4
5
6
7
8
9
10
11
12
0.15
0.925
0.4±0.25
0.1±0.1
1.27
■ Features
• Rec. playback pre-/power amp. IC
• VAS function built-in
• Earphone monitor at recording is possible
• 350mW BTL, OCL power amp. built-in
• Mic. amp built-in
• ALC function built-in
• Rec./Play switching is possible with a single
0.45
The AN7086S is an integrated circuit developed for
recording playback pre-/power amp., built-in VAS (Voice
Activated System) function especially.
24-Lead SOP Package (SOP024-P-0375)
■ Block Diagram
NC
GND
24
23
22
21
20
+
55dB
–
–
+
Open
Loop
Gain
74dB
1
ALC
R/P
Cont.
3
17
16
15
14
13
10
11
12
Power
GND
Power
VCC
Ripple
Rej.
+
14dB
–
+
14dB
–
+
24dB
–
2
18
+
20dB
–
120kΩ
VCC
1/2 VCC
19
4
VAS
Det.
5
Power
Mute
6
7
8
9
ICs for Cassette, Cassette Deck
AN7086S
■ Absolute Maximum Ratings (Ta=25˚C)
Symbol
Rating
Supply Voltage
Parameter
VCC
6
Unit
Supply Current
ICC
1000
mA
mW
V
Power Dissipation
PD
520
Operating Ambient Temperature
Topr
–20 ~ + 75
˚C
Storage Temperature
Tstg
–55 ~ + 125
˚C
■ Recommended Operating Range (Ta= 25˚C)
Parameter
Symbol
Range
Operating Supply Voltage Range
VCC
1.8V ~ 4.5V
■ Electrical Characteristics (VCC=3V, f=1kHz, Ta=25˚C)
Parameter
Quiescent Circuit Current
Symbol
Itot
Condition
min.
At No Input/Playback
10
65
typ.
max.
20
35
Unit
mA
<Pre-Amp.>
GV1
Vin= – 85dBV, Rg= 1kΩ
Total Harmonic Distortion
THD1
Vin= 3mVrms, Rg= 1kΩ
Maximum Output Voltage
VO1
THD= 1%, Rg= 1kΩ
Vni
Rg= 1kΩ,
DIN/AUDIO Filter
Open Circuit Gain
Noise Voltage Referred to Input
0.3
dB
74
0.1
1
%
Vrms
0.6
1
1.8
µVrms
72.5
75.5
dB
1.3
3
<Recording Amp.>
GV2
Vin= – 80dBV
Total Harmonic Distortion
THDR
Vin= – 80dBV
Maximum Output Voltage
VoR
Output Noise Voltage
VnR
Close Circuit Gain
THD = 5%
Rg= 2.2kΩ,
DIN/AUDIO Filter
69.5
0.8
%
Vrms
1.08
–46
–42
dBV
41
43.5
dB
0.11
1
<Power Amp.>
Closed Circuit Gain
GV – PO
Vin= 5mVrms, RL= 8Ω
Total Harmonic Distortion
THD – PO
Vin= 5mVrms, RL= 8Ω
Maximum Output Voltage
VO – PO
300
Output Noise Voltage
Vn – PO
THD = 10%, RL= 8Ω
Rg= 0Ω, RL= 8Ω,
DIN/AUDIO Filter
Output Offset Voltage
VDC
Rg= 0Ω, RL= 8Ω,
VAS
Mic. input level at Piny
Voltage= 0.2V
Effective Voltage
VALC
Vin= – 60dBV, Rg= 1.5kΩ
Effective width
WALC
Vin= – 30dBV, Rg= 1.5kΩ
38.5
%
mW
350
–74
–65
dBV
–50
0
50
mV
8
14
18
µVrms
–6.6
–4.5
–2.5
dBV
1.5
3
%
–70
–50
dBV
–40
–30
dBV
<VAS>
VAS Operation Input Voltage
<ALC>
<Ripple Rejection>
Playback System Ripple Rejection
RRP
Recording System Ripple Rejection
RRR
fr = 270Hz, Vr = 30mVrms,
Rg= 1kΩ
fr = 270Hz, Vr = 30mVrms,
Rg= 2.2kΩ
Rec./Playback Switching Pin
VPB
Playback mode
0.1
0.3
V
Rec./Playback Switching Pin
VREC
Recording mode
1.6
2.3
V
<Switching Pin>
ICs for Cassette, Cassette Deck
AN7086S
■ Characteristics Curve
Power Amp.
10
30
3
10
0.5
0.3
3
VO
0.1
1
0.05
0.3
THD
0.01
0.1
0.3 0.5
1
3
5
0.3
0.1
THD
0.03
1
3
10
0.3
3
2
1
THD
300
1k
3k
10k
30k
0
100k
Maximum Output Voltage VO max. (Vrms)
30
Total Harmonic Distortion THD (%)
Voltage Gain GV (dB)
GV
3
Vout
THD
0.1
1
0.01
0.003
0.3
0.01
0.03
0.1
0.3
1
Input Voltage Vin (mVrms)
1.2
freq.=1kHz
RL=50kΩ
THD=1%
1.0
0.8
0.6
0.4
0.2
0
0
1
2
3
4
5
6
Supply Voltage VCC (V)
Frequency f (Hz)
Pre. Amp.
Power Amp.
Supply Voltage Characteristics
VCC – GV, THD
Frequency Characteristics
GV, THD – f
VO= –10dBV
freq.=1kHz
RL=50kΩ
36
3
34
2
32
THD
1
30
3
4
Supply Voltage VCC (V)
5
6
0
Voltage Gain GV (dB)
GV
VCC=3V
RL=8Ω
VO= –10dBV
50
Total Harmonic Distortion THD (%)
38
2
0.3
Maximum Output Voltage
VO max.– VCC
40
1
10
Pre. Amp.
50
0
30
1
Input Voltage Vin (mVrms)
VCC=3V
RL=150kΩ
Vout= –10dBV
40
100
VCC=3V
freq.=1kHz
RL=10kΩ
0.03
0.1
100
30
Frequency Characteristics
GV, THD – f
100
3
1
Pre. Amp.
30
30
3
VO
Input Voltage Vin (mVrms)
10
10
10
0.01
0.3
0.1
10
1
100
VO
40
4
30
3
THD
2
1
10
30
100
300
1k
3k
Frequency f (Hz)
10k
30k
100k
Total Harmonic Distortion THD (%)
0.03
VCC=3V
RL=80Ω
freq.=1kHz
Input/Output Characteristics
Vout, THD-Vin
Output Voltage Vout (Vrms)
1
Voltage Gain GV (dB)
Output Voltage Vout (Vrms)
3
100
Output Voltage Vout (Vrms)
VCC=3V
RL=50kΩ
freq.=1kHz
5
Total Harmonic Distortion THD (%)
10
Input/Output Characteristics
Vout, THD-Vin
Total Harmonic Distortion THD (%)
Input/Output Characteristics
Vout, THD-Vin
Rec. Amp.
Total Harmonic Distortion THD (%)
Pre. Amp.
ICs for Cassette, Cassette Deck
AN7086S
Power Amp.
Power Amp.
Maximum Output Power
PO max.– VCC
Supply Voltage Characteristics
GV, THD – VCC
0.8
0.6
VO=10dBV
freq.=1kHz
RL=8Ω
44
42
GV
40
0.4
0.2
THD
1
0
2
3
4
5
6
0
1
2
Frequency Characteristics
GV, THD – f
60
4
3
THD
50
2
1
1k
0
100k
10k
Maximum Output VO max. (Vrms)
GV
70
100
1.6
1.2
0.8
0.4
0
1
2
3
4
5
Supply Voltage VCC (V)
Supply Voltage Characteristics
GV, THD – VCC
Input/Output Characteristics
Vout, THD – Vin
64
THD
60
2
3
4
Supply Voltage VCC (V)
5
6
5
4
3
2
1
0
Output Voltage Vout (dBV)
68
Total Harmonic Distortion THD (%)
GV
1
6
ALC
72
0
0
Frequency f (Hz)
VO=5dB
freq.=1kΩ
RL=10kΩ
76
6
THD=10%
freq.=1kHz
2.0 R =10kΩ
L
Rec. Amp.
80
5
Maximum Output Voltage
VO max.– VCC
2.4
Total Harmonic Distortion THD (%)
Voltage Gain GV (dB)
VCC=3V
VO=–5dBV
RL=10kΩ
40
10
4
Rec. Amp.
Rec. Amp.
80
3
Supply Voltage VCC (V)
Supply Voltage VCC (V)
0
VCC=3V
freq.=1kHz
–2 R =10kΩ
L
–4
Vout
–6
–8
THD
–80
–60
–40
–20
Input Voltage Vin (dBV)
0
5
4
3
2
1
0
Total Harmonic Distortion THD (%)
0
Voltage Gain GV (dB)
5
4
3
2
1
0
38
Total Harmonic Distortion THD (%)
THD=10%
freq.=1kHz
1.0 R =8Ω
L
Voltage Gain GV (dB)
Maximum Output Power PO max. (W)
1.2
ICs for Cassette, Cassette Deck
AN7086S
0.0056µF
■ Application Circuit
0.01µF
2.2µF
1.5kΩ
PLAY
4.7µF
+
10kΩ
Rec.
14kΩ
33µF
+
1MΩ
+
Mic.
Head
0.0047µF
VCC
220µF
+
0.1µF
220µF
4.7µF
+
23
24
22
220µF
+
21
20
19
18
17
+
16
15
14
13
9
10
11
12
AN7086S
2
40kΩ
3
+
4
6
7
+
4.7µF
0.033µF
4.7kΩ
0.22µF +
5
8
0.22µF
+
1
+
2.2µF
33µF
2.2kΩ
+
0.01µF
82Ω
33µF
+
VAS
OFF
33µF
VCC
PAUSE
+
to Motor
47µF
■ Pin Descriptions
Pin No.
Pin Name
Pin No.
Pin Name
1
Pre-Amp. NF Pin
13
B.S.2
2
Pre-Amp. Output Pin
14
VCC
3
Power Amp. Input Pin
15
Filter Pin
4
Power Amp. NF Pin
16
Center
5
VAS Detection
17
Rec./Play Switching Pin
6
MOTOR Output Pin
18
ALC Detection
7
Power Mute Pin
19
NC
8
Power Output 1 Pin
20
Rec. Amp. Output Pin
9
B.S.1
21
Mic. Amp. NF Pin
10
Power GND
22
Mic. Amp. Input Pin
11
Power VCC
23
Pre. GND
12
Power Output 2-pin
24
Pre. Amp. Input Pin
Speaker
8Ω