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ANGUS ELECTRONICS
ANGUS ELECTRONICS

PT2301 Datasheet Preview

PT2301 Datasheet

1 Watt Audio Power Amplifier

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PT2301 pdf
ANGUS ELECTRONICS CO., LTD
Tel: (852) 2345 0540 Fax: (852) 2345 9948
Web Site: www.angus.com.hk
1 Watt Audio Power Amplifier
PT2301
DESCRIPTION
The PT2301 is an integration audio power amplifier IC utilizing advanced CMOS technology.
Supports 2 mono MIC input and 2 stereo line input, input gain of each amp can be set individually to
meet customers’ needs. Built-in digital controlled volumes have 49 steps from +15dB ~ -90dB and all
the functions can be controlled via I2C bus. In the output section, the PT2301 is equipped with both
stereo headphone driver and mono speaker amp maximum output up to 1 watt.
The PT2301 also equipped “Energy Save” power management systems; user can turn off the unused
portion to minimize total power consumption for extended battery endurance. For different applications,
the headphone section of the PT2301 has two mode types for different purposes, A-type (Output
Capacitor-less) or B-type (Output with Capacitor).
FEATURES
1W (8 ) mono channel speaker driver + stereo headphone driver
Digital controlled volume (49 steps /+15dB ~ -90dB)
2 mono microphone inputs, 1 microphone output
2 stereo line input
Input gain can be setting individually in each input port.
Eliminate DC block capacitor in the headphone driver output (Only PT2301-A supported)
Standby mode and Mute function
Thermal shutdown protection circuit
Energy Save function
Very low “POP” noise during function changed.
Wide operation voltage range: 2.7V ~ 5.5V
Low Distortion: earphone output < 0.05%, speaker output< 0.04%
Available in 24 Pin, space saving TSSOP Package
APPLICATIONS
Electronic dictionary
Translator
PDA
DSC (Digital Still Camera)
GPS
PT2301 V1.4
-1-
April, 2006



ANGUS ELECTRONICS
ANGUS ELECTRONICS

PT2301 Datasheet Preview

PT2301 Datasheet

1 Watt Audio Power Amplifier

No Preview Available !

PT2301 pdf
1 Watt Audio Power Amplifier
PIN CONFIGURATION
L1L 1
L2L 2
MIC1 3
VSS2 4
SCL 5
SDA 6
VCC 7
MICOUT 8
MIC2 9
L2R 10
L1R 11
REF 12
PT2301-A
24 MIC_SENSE
23 HP_SENSE
22 LOUT
21 VP1
20 SP+
19 VEE
18 SP-
17 VP2
16 ROUT
15 VSS1
14 /SHUTDOWN
13 MUTE
L1L 1
L2L 2
MIC1 3
VSS2 4
SCL 5
SDA 6
VCC 7
MICOUT 8
MIC2 9
L2R 10
L1R 11
REF 12
PT2301-B
24 MIC_SENSE
23 HP_SENSE
22 LOUT
21 VP1
20 SP+
19 NC
18 SP-
17 VP2
16 ROUT
15 VSS1
14 /SHUTDOWN
13 MUTE
PT2301
PT2301 V1.4
-2-
April, 2006


Part Number PT2301
Description 1 Watt Audio Power Amplifier
Maker ANGUS ELECTRONICS
Total Page 5 Pages
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