PT2300L datasheet(9/15 Pages) PTC

Part #	PT2300L

Description	2W x 2 Class AB Audio Power Amplifier

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Manufacturer	PTC [Princeton Technology Corp]

Direct Link	http://www.princeton.com.tw

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Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2300 V1.0

- 9 -

December, 2005

2W x 2 Class AB Audio Power Amplifier

PT2300

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, Vcc=5V, bandwidth=22~22KHz)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Supply Voltage

Vcc

3

5

6

V

SE Mode

6

8

12

BTL Mode

8

10

14

mA

Operating Current

Is

Shutdown=ON

0.2

0.7

1

µA

Two Channels Gain

Error

Gerr

RIN=RF=20KΩ

-1

0

+1

dB

Po=0.2W, RL=4Ω

0.03

0.05

0.07

Po=1W, RL=4Ω

0.06

0.08

0.15

THD+N

THD

Po=50mW, RL= 32Ω

0.03

0.05

0.07

%

THD=1%, RL=8Ω

1.0

1.1

1.2

THD=10%, RL=8Ω

1.2

1.4

1.6

THD=1%, RL=4Ω

1.4

1.6

1.8

THD=10%, RL=4Ω

1.8

2.0

2.1

BTL

THD=1%, RL=4Ω,

VCC=6V

1.9

2.0

2.2

W

THD=1%, RL=32Ω

80

85

90

Power Output

Po

SE

THD=10%, RL=32Ω

100

110

120

mW

Signal-to-Noise Ratio

SNR

A-weighted

85

90

91

dB

Residual Noise

Vno

A-weighted

25

40

50

µV

Output Offset

Voff

DC Vol = 0V, +OUT ~ -OUT

25

50

100

mV

BTL

85

88

91

Channel Separation

CS

SE

F=1KHz

77

80

83

dB

BTL

58

60

63

Power Signal-to-Noise

Repel Rate

PSRR

SE

F=1KHz

52

55

58

dB

DC Vol=5V

F=1KHz

-1

0

+1

Volume Control Range

Vatt

DC Vol=17%Vcc

-44

-45

-46

dB

Volume Control Step

Vstep

Vatt=0 ~ -45dB

1.3

1.5

1.7

dB

Mute

mute

DC Vol=0V

-85

-88

-90

dB

Overheat close

-

120

-

Temperature Protect

TH

Back to work

-

80

-

℃

Shutdown ON

0.5

0.6

-

Shutdown Voltage

VSD

Shutdown OFF

VDD=3 ~ 5V

Shutdown pin

-

0.2

0.3

Vcc

SE

0.8

0.9

-

SE/BTL Voltage

VSB

BTL

VDD= 3 ~ 5V

-

0.1

0.2

Vcc

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