STA333BW STMicroelectronics, STA333BW Datasheet - Page 32

• Manufacturer Part Number: STA333BW
• Manufacturer: STMicroelectronics

Specifications of STA333BW

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.2@8Ohm@1W%
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3.3/5/9/12/15/18V
• Power Supply Requirement: Quad
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 80dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.7/4.5V
• Dual Supply Voltage (max): 3.6/21.5V
• Operating Temp Range: -20C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 36
• Package Type: PowerSSO EP
• Lead Free Status / Rohs Status: Compliant

Register description
6.1.6
32/67
PWM speed mode
Table 38.
Distortion compensation variable enable
Table 39.
Zero-crossing volume enable
Table 40.
The ZCE bit enables zero-crossing volume adjustments. When volume is adjusted on digital
zero-crossings no clicks are audible.
Soft volume update enable
Table 41.
Configuration register F (addr 0x05)
4
5
6
7
Bit
Bit
Bit
Bit
EAPD
D7
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PWM speed mode
Distortion compensation variable enable
Zero-crossing volume enable
Soft volume update enable
PWDN
0
0
1
1
D6
RST
RST
RST
RST
1
PWMS
DCCV
ZCE
SVE
ECLE
D5
Name
Name
Name
Name
0
Doc ID 13773 Rev 3
LDTE
D4
1
0: normal speed (384 kHz) all channels
1: odd speed (341.3 kHz) all channels
0: use preset DC coefficient
1: use DCC coefficient
1: volume adjustments only occur at digital zero-
crossings
0: volume adjustments occur immediately
1: volume adjustments ramp according to SVUP / SVDW
settings
0: volume adjustments occur immediately
BCLE
D3
1
Description
Description
Description
Description
IDE
D2
1
OCFG1
D1
0
STA333BW
OCFG0
D0
0