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AN7086

Recording/Playback Pre-/Power Amplifier IC for 3V Microcassette

Panasonic Corporation 

AN7086S

ICs for Cassette, Cassette Deck

s Absolute Maximum Ratings (Ta=25˚C)

Parameter

Symbol

Supply Voltage

VCC

Supply Current

ICC

Power Dissipation

PD

Operating Ambient Temperature

Topr

Storage Temperature

Tstg

s Recommended Operating Range (Ta= 25˚C)

Parameter

Symbol

Operating Supply Voltage Range

VCC

Rating

Unit

6

V

1000

mA

520

mW

–20 ~ + 75

˚C

–55 ~ + 125

˚C

Range

1.8V ~ 4.5V

s Electrical Characteristics (VCC=3V, f=1kHz, Ta=25˚C)

Parameter

Symbol

Condition

Quiescent Circuit Current

<Pre-Amp.>

Itot

At No Input/Playback

Open Circuit Gain

Total Harmonic Distortion

Maximum Output Voltage

Noise Voltage Referred to Input

GV1

THD1

VO1

Vni

Vin= – 85dBV, Rg= 1kΩ

Vin= 3mVrms, Rg= 1kΩ

THD= 1%, Rg= 1kΩ

Rg= 1kΩ,

DIN/AUDIO Filter

<Recording Amp.>

Close Circuit Gain

Total Harmonic Distortion

Maximum Output Voltage

Output Noise Voltage

GV2

THDR

VoR

VnR

Vin= – 80dBV

Vin= – 80dBV

THD = 5%

Rg= 2.2kΩ,

DIN/AUDIO Filter

<Power Amp.>

Closed Circuit Gain

Total Harmonic Distortion

Maximum Output Voltage

Output Noise Voltage

GV – PO

THD – PO

VO – PO

Vn – PO

Vin= 5mVrms, RL= 8Ω

Vin= 5mVrms, RL= 8Ω

THD = 10%, RL= 8Ω

Rg= 0Ω, RL= 8Ω,

DIN/AUDIO Filter

Output Offset Voltage

VDC

Rg= 0Ω, RL= 8Ω,

<VAS>

VAS Operation Input Voltage

VAS

Mic. input level at Piny

Voltage= 0.2V

<ALC>

Effective Voltage

Effective width

<Ripple Rejection>

VALC

WALC

Vin= – 60dBV, Rg= 1.5kΩ

Vin= – 30dBV, Rg= 1.5kΩ

Playback System Ripple Rejection

Recording System Ripple Rejection

<Switching Pin>

RRP

fr = 270Hz, Vr = 30mVrms,

Rg= 1kΩ

RRR

fr = 270Hz, Vr = 30mVrms,

Rg= 2.2kΩ

Rec./Playback Switching Pin

Rec./Playback Switching Pin

VPB

VREC

Playback mode

Recording mode

min.

10

typ. max. Unit

20

35 mA

65

74

0.1

0.3

0.6

dB

1

%

Vrms

1

1.8 µVrms

69.5 72.5 75.5

dB

1.3

3

%

0.8 1.08

Vrms

–46 –42 dBV

38.5

41 43.5

dB

0.11

1

%

300 350

mW

–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

0.1

0.3

V

1.6

2.3

V

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