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参数资料
型号： TLV320AIC32IRHBRG4
厂商： TEXAS INSTRUMENTS INC
元件分类： 消费家电
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC32
封装： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数： 43/80页
文件大小： 1270K
代理商： TLV320AIC32IRHBRG4
TLV320AIC32
SLAS479C – AUGUST 2005 – REVISED DECEMBER 2008 ............................................................................................................................................. www.ti.com
Page 0 / Register 26:
Left AGC Control Register A
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7
R/W
0
Left AGC Enable
0: Left AGC is disabled
1: Left AGC is enabled
D6–D4
R/W
000
Left AGC Target Gain
000: Left AGC target gain = –5.5-dB
001: Left AGC target gain = –8-dB
010: Left AGC target gain = –10-dB
011: Left AGC target gain = –12-dB
100: Left AGC target gain = –14-dB
101: Left AGC target gain = –17-dB
110: Left AGC target gain = –20-dB
111: Left AGC target gain = –24-dB
D3–D2
R/W
00
Left AGC Attack Time
These time constants(1) will not be accurate when double rate audio mode is enabled.
00: Left AGC attack time = 8-msec
01: Left AGC attack time = 11-msec
10: Left AGC attack time = 16-msec
11: Left AGC attack time = 20-msec
D1–D0
R/W
00
Left AGC Decay Time
These time constants(1) will not be accurate when double rate audio mode is enabled.
00: Left AGC decay time = 100-msec
01: Left AGC decay time = 200-msec
10: Left AGC decay time = 400-msec
11: Left AGC decay time = 500-msec
(1)
Time constants are valid when DRA is not enabled. The values would change if DRA is enabled.
Page 0 / Register 27:
Left AGC Control Register B
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7-D1
R/W
1111111
Left AGC Maximum Gain Allowed
0000000: Maximum gain = 0.0-dB
0000001: Maximum gain = 0.5-dB
0000010: Maximum gain = 1.0-dB
…
1110110: Maximum gain = 59.0-dB
1110111–111111: Maximum gain = 59.5-dB
D0
R/W
0
Reserved. Write only zero to this register bit.
Page 0 / Register 28:
Left AGC Control Register C
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7–D6
R/W
00
Noise Gate Hysteresis Level Control
00: Hysteresis is disabled
01: Hysteresis = 1-dB
10: Hysteresis = 2-dB
11: Hysteresis = 4-dB
D5–D1
R/W
00000
Left AGC Noise Threshold Control
00000: Left AGC Noise/Silence Detection disabled
00001: Left AGC noise threshold = –30-dB
00010: Left AGC noise threshold = –32-dB
00011: Left AGC noise threshold = –34-dB
…
11101: Left AGC noise threshold = –86-dB
11110: Left AGC noise threshold = –88-dB
11111: Left AGC noise threshold = –90-dB
D0
R/W
0
Left AGC Clip Stepping Control
0: Left AGC clip stepping disabled
1: Left AGC clip stepping enabled
48
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Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC32
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TLV320AIC33EVM-PDK 功能描述:音频 IC 开发工具 Dghtr card w/ USB motherBd RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
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