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TRITAN TECHNOLOGY

TRA1309AP Datasheet Preview

TRA1309AP Datasheet

Functional Speaker Driver

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Functional Speaker Driver
TRA1309AP
1. General Descriptions
TRA1309AP is a speaker amplifier that can accept PWM signal and doesn’t need any external device
for these input signals. PWM input supports mainly for TRITAN’s PWM output. The TRA1309AP
contains advanced de-pop circuitry which eliminates pops during chip enable and disable. The gain can
be adjusted by connecting a resistor between RGAIN and SPKN to determine gain. Internal sound
processing is added for better sound quality.
2. Features
z Accept PWM and doesn’t need any external devices for these input signals.
z Mute function
z Wide operation voltage : 2.4V~5.5V
z sound processing for better sound quality
z Auto power ON/OFF
z Low standby current : 2u A, typical.
z High output power Pout = 0.8W (VDD=5.5V, THD=1%)
3. Ordering Information
Part Number Package Type Description
TRA1309AP-P
DIP 8
Plastic dual in-line package; 8 leads (300mil); PWM mode
TRA1309AP-S
SO 8
Plastic small outline package; 8 leads; body with 3.9 mm; PWM mode
4.1 Pin Configuration
RGAIN
1
PWMP
2
PWMN
3
VDD
4
8 SPKN
7 SVDD
6 SPKP
5 SVSS
z This chip only applicable for Tritan’s SPEECH series PWM and
TRD16P101/102/201 PWM
TRITAN TECHNOLOGY INC.
Preliminary Specification / V1.4
2012/3/15 Page 1 of 9




TRITAN TECHNOLOGY

TRA1309AP Datasheet Preview

TRA1309AP Datasheet

Functional Speaker Driver

No Preview Available !

Functional Speaker Driver
TRA1309AP
4.2 Packaging and Pads Information
Signal Name
SVDD
SVSS
VDD
PWMP
PWMN
RGAIN
SPKP
SPKN
Pin Type
Signal Description
I Speaker driver power input
I Speaker driver ground input
I Internal circuit power input
I PWMP signal input
I PWMN signal input
I Gain adjust pad
O Positive speaker output
O Negative speaker output
5. ELECTRICAL CHARACTERISTICS
5.1 Absolute Maximum Ratings
Parameters
DC Supply Voltage
Input Voltage
Operating Temperature Range
Storage Temperature Range
Symbol
VDD
Vi
Ta
Tstg
Value
-0.5 to 5.5
-0.5 to Vdd+0.5
-20 to 75
-40 to 150
Unit
V
V
5.2 DC/AC Characteristics
Ta=25unless otherwise noted
Parameters
Symbol
Power supply range VDD
Minimum
2.4 V
Operating current
Iop
Standby current
Imute
Input high voltage
Input low voltage
Input current
Pull up resistor
Output power SOP
DIP
Mute time
THD+Noise
Vih
Vil
Ic
Rpull-h
Pout
Mt
THD+N
1V
Typical
-
6mA
2uA
2Meg
ohm
0.6W
0.8W
30mS
200mS
1%
Maximum
5.5 V
VDD=5.5V
PWMP=floating
PWMN=floating
0.5V
5 uA
VDD=2.4V~5.5V
VDD=2.4V~5.5V
When PWMP or PWMN connect to
VSS will sink this current
VDD=3.3V
PWMP & PWMN
VDD=5.5V,THD=1%, RL=8
TON
TOFF
VDD=5V,Pout=0.6W,RL=8,Gain=2
TRITAN TECHNOLOGY INC.
Preliminary Specification / V1.4
2012/3/15 Page 2 of 9


Part Number TRA1309AP
Description Functional Speaker Driver
Maker TRITAN TECHNOLOGY
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