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PDF TRA1309AP Data sheet ( Hoja de datos )
| Número de pieza | TRA1309AP | |
| Descripción | Functional Speaker Driver | |
| Fabricantes | TRITAN TECHNOLOGY | |
| Logotipo |  |
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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
1 page  
7. Application circuit
Functional Speaker Driver
TRA1309AP
z If VR is used(Option2), 1MΩ is suggested, 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 = (VR // 250K)/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 / V1.4
2012/3/15 Page 5 of 9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TRA1309AP.PDF ] | |
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