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参数资料
型号： TAS5414ATPHDRMQ1
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 116 W, 4 CHANNEL, AUDIO AMPLIFIER, PQFP64
封装： GREEN, PLASTIC, HTQFP-64
文件页数： 17/54页
文件大小： 1386K
代理商： TAS5414ATPHDRMQ1
TAS5414A, TAS5424A
SLOS535C
– MAY 2009 – REVISED APRIL 2011
www.ti.com
Table 3. TAS5414A/5424 I2C Addresses
SELECTABLE WITH
READ/WRITE
FIXED ADDRESS
I2C
ADDRESS PIN
BIT
DESCRIPTION
ADDRESS
MSB
6
5
4
3
2
1
LSB
TAS5414A/5424 0
I2C WRITE
1
0
1
0
0xD8
(OSC MASTER)
I2C READ
1
0
1
0
1
0xD9
TAS5414A/5424 1
I2C WRITE
1
0
1
0
1
0
0xDA
(OSC SLAVE1)
I2C READ
1
0
1
0
1
0xDB
TAS5414A/5424 2
I2C WRITE
1
0
1
0
0xDC
(OSC SLAVE2)
I2C READ
1
0
1
0
1
0xDD
TAS5414A/5424 3
I2C WRITE
1
0
1
0
0xDE
(OSC SLAVE3)
I2C READ
1
0
1
0xDF
Table 4. I2C Address Register Definitions
ADDRESS
R/W
REGISTER DESCRIPTION
0x00
R
Latched fault register 1, global and channel fault
0x01
R
Latched fault register 2, dc offset and overcurrent detect
0x02
R
Latched diagnostic register 1, load diagnostics
0x03
R
Latched diagnostic register 2, load diagnostics
0x04
R
External status register 1, temperature and voltage detect
0x05
R
External status register 2, Hi-Z and low-low state
0x06
R
External status register 3, mute and play modes
0x07
R
External status register 4, load diagnostics
0x08
R/W
External control register 1, channel gain select
0x09
R/W
External control register 2, dc offset reduction and current-limit select
0x0A
R/W
External control register 3, switching frequency and clip pin select
0x0B
R/W
External control register 4, load diagnostic, master mode select
0x0C
R/W
External control register 5, output state control
0x0D
R/W
External control register 6, output state control
0x0E
R/W
External control register 7, dc detect level select
0x0F
R/W
External control register 8, dc detect level select
Table 5. Fault Register 1 (0x00) Protection
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
No protection-created faults, default value
–
1
Overtemperature warning has occurred
–
1
–
DC offset has occurred in any channel
–
1
–
Overcurrent shutdown has occurred in any channel
–
1
–
Overtemperature shutdown has occurred
–
1
–
Charge pump undervoltage has occurred
–
1
–
AVDD, analog voltage, undervoltage has occurred
–
1
–
PVDD undervoltage has occurred
1
–
PVDD overvoltage has occurred
Table 6. Fault Register 2 (0x01) Protection
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
No protection-created faults, default value
–
1
Ovecurrent shutdown channel 1 has occurred
–
1
–
Overcurrent shutdown channel 2 has occurred
24
Copyright
2009–2011, Texas Instruments Incorporated
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