STA381BWSTR STMicroelectronics, STA381BWSTR Datasheet - Page 53

• Manufacturer Part Number: STA381BWSTR
• Description: Audio DSPs Sound Terminal 2.1 High EFF Dig Audio
• Manufacturer: STMicroelectronics

Specifications of STA381BWSTR

• Product Category: Audio DSPs
• Rohs: yes
• Operating Supply Voltage: 4.5 V to 25.5 V
• Operating Temperature Range: 0 C to + 150 C
• Mounting Style: SMD/SMT
• Package / Case: VQFN-48
• Snr: 100 dB

STA381BWS
2.1 channels, two half-bridges + one full-bridge (
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In this configuration, channel 3 has full control (volume, EQ, etc…). On OUT3/OUT4
channels, channel 1 and channel 2 PWM are replicated.
In this configuration the PWM slot phase is the following as shown in
Figure 22. 2.1 channels (OPER = 11) PWM slots
FFX1A -> OUT1A
FFX2A -> OUT1B
FFX3A -> OUT2A
FFX3B -> OUT2B
FFX1A -> OUT3A
FFX1B -> OUT3B
FFX2A -> OUT4A
FFX2B -> OUT4B
FFX1A/1B configured as binary
FFX2A/2B configured as binary
FFX3A/3B configured as binary
FFX4A/4B is not used
OUT1A
OUT1A
OUT1A
OUT1A
OUT1A
OUT1A
OUT2A
OUT2A
OUT2A
OUT2A
OUT2A
OUT2A
OUT2B
OUT2B
OUT2B
OUT2B
OUT2B
OUT2B
OUT3A
OUT3A
OUT3A
OUT3A
OUT3A
OUT3A
OUT3B
OUT3B
OUT3B
OUT3B
OUT3B
OUT3B
OUT4A
OUT4A
OUT4A
OUT4A
OUT4A
OUT4B
OUT4B
OUT4B
OUT4B
OUT4B
OUT1B
OUT1B
OUT1B
OUT1B
OUT1B
OUT1B
Doc ID 018937 Rev 6
OPER
Register description: New Map
= 11)
Figure
22.
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