BA5152F Rohm, BA5152F Datasheet

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BA5152F

Manufacturer Part Number
BA5152F
Description
Dual power amplifier (1,5V/15mW)
Manufacturer
Rohm
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BA5152F-E2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
The BA5152F is a dual-channel power amplifier designed for 1.5V headphone stereos. The circuit consists of a power
supply circuit, mute circuit, bias circuit, and two amplifier circuits. To simplify assembly, the gain is fixed, so external nega-
tive-feedback components are not required.
FApplications
1.5V headphone Hi-Fi stereos
FFeatures
1) High output. P
2) Small “pop” noise.
3) Mute circuit terminal provided.
4) Terminals provided for radiation countermeasures.
FBlock diagram
FAbsolute maximum ratings (Ta = 25_C)
1.5V / 15mW dual power amplifier
BA5152F
Audio ICs
OUT
= 15mW (R
L
= 16 ).
5) Good ripple rejection ratio.
6) Few external components required.
7) Good low-voltage characteristics.
8) Built-in power switch circuit.
367

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BA5152F Summary of contents

Page 1

... BA5152F The BA5152F is a dual-channel power amplifier designed for 1.5V headphone stereos. The circuit consists of a power supply circuit, mute circuit, bias circuit, and two amplifier circuits. To simplify assembly, the gain is fixed, so external nega- tive-feedback components are not required. ...

Page 2

... Audio ICs FRecommended operating conditions (Ta = 25_C) FElectrical characteristics (unless otherwise noted 25_C, V FMeasurement circuit 368 = 1.5V, f= 1kHz and BA5152F ...

Page 3

... Audio ICs FApplication example FApplication board patterns FApplication board component layout BA5152F 369 ...

Page 4

... FComplete application example circuit FCircuit description (1) Power supply block The BA5152F has an internal power switch, so the V terminal (pin 9) connects directly to the power source. Pin 13 is the power switch, and left open, no bias current flows in the circuit and the IC will not operate. ...

Page 5

... Connect bypass ODC capacitors to the output pin to prevent oscillation. When the IC is used in sets containing an AM radio possible to reduce unnecessary radiation from the power amplifi- ers by connecting CR circuits to pins 6 and 11. BA5152F = 21dB. The V 371 ...

Page 6

... Audio ICs FExternal dimensions (Units: mm) 372 BA5152F ...

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