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STEVAL-CCA001V1
Mono class audio amplifier based on TS4962MEIJT in flip chip
Data Brief
Features

Operating from Vcc = 2.4 V to 5.5 V Ultra low power consumption in standby mode (10 nA) 63 dB PSRR @ 217 Hz in grounded mode (average = 2 V/V) Low pop and click Fast startup time (5 ms) Module gain set at 2 V/V Thermal and short circuit protection STEVAL-CCA001V1
Description
This board is a general-purpose developmant platform for all applications based on the TS4962M mono class D audio amplifier. The TS4962M is a monolithic fully-differential input/ output class D power amplifier. It also includes a common-mode feedback loop that controls the output bias value to average it at VCC/2 for any DC common mode input voltage. This allows the device to always have a maximum output voltage swing, and consequently maximizes the output power. Moreover, as the load is connected differentially compared to a single-ended topology, the output is four times higher for the same power supply voltage.
October 2007
Rev 1
1/4
www.st.com 4
For further information contact your local STMicroelectronics sales office.
Board schematic
STEVAL-CCA001V1
1
Board schematic
Figure 1. Scheme
Vcc Cn1 + J1 Cn2 Vcc
GND Cn4 + J2
GND
4 Stdby C2 Cn3 Positive Input Negative input 100nF 150k 100nF R2 C3 150k 5 InIn+ + 300k R1
Internal Bias 150k Out+ 6 Output PWM H Bridge 10 OutCn6 Positive Output Negative Output
-
1
150k Oscillator
Cn5 + J3
2/4
+
GND
1 2 3
C1 2.2uF/10V
Vcc 3 Vcc 8 U1
GND 2 GND 3
TS4962 Flip-Chip to DIP Adapter
STEVAL-CCA001V1
Revision history
2
Revision history
Table 1.
Date 19-Oct-2007
Document revision history
Revision 1 Initial release Changes
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STEVAL-CCA001V1
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