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PDF TRA1309CP Data sheet ( Hoja de datos )
| Número de pieza | TRA1309CP | |
| Descripción | Functional Speaker Driver | |
| Fabricantes | TRITAN TECHNOLOGY | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TRA1309CP (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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Functional Speaker Driver
TRA1309CP
1. General Descriptions
TRA1309CP 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 TRA1309CP
contains advanced de-pop circuitry which eliminates pops during chip enable and disable. The gain is
adjusted by connecting an external resistor between RGAIN and SPKN. 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
TRA1309CP-P
DIP 8
Plastic dual in-line package; 8 leads (300mil); PWM mode
TRA1309CP-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 / V1.1
2012.03.16 Page 1 of 9
1 page  
7. Application circuit
Functional Speaker Driver
TRA1309CP
z When R1(VR) is used, wire of RGAIN must be kept as short as possible
z An analog mix signal input may be used or not. (Option 1) It's gain =R1/Rin1 .
z If output power is small. (Output power < 0.5W) SVDD can be shorted to VDD. When high output
power is needed (Output power > 0.5W). Option 4 must be used.
z R2=10Kohm(Option3) can be disable the Auto Power Off function.
TRITAN TECHNOLOGY INC.
Preliminary Specification / V1.1
2012.03.16 Page 5 of 9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TRA1309CP.PDF ] | |
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