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參數資料
| 型號： | TPA2028D1YZFR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | 1.63 X 1.63 MM, GREEN, DSBGA-9 |
| 文件頁數： | 17/37頁 |
| 文件大小： | 1812K |
| 代理商： | TPA2028D1YZFR |
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A6
A0
ACK
Acknowledge
I2CDeviceAddressand
Read/WriteBit
R/W
A6
A0
R/W ACK
A0 ACK
D7
D0
ACK
Start
Condition
Stop
Condition
Acknowledge
LastDataByte
ACK
FirstDataByte
RepeatStart
Condition
Not
Acknowledge
I2CDeviceAddressand
Read/WriteBit
Register
OtherDataBytes
A7
A6
A5
D7
D0 ACK
Acknowledge
D7
D0
SLOS660A
– JANUARY 2010 – REVISED MARCH 2011
MULTIPLE-BYTE READ
A multiple-byte data read transfer is identical to a single-byte data read transfer except that multiple data bytes
are transmitted by the TPA2028D1 to the master device as shown in Figure 43. With the exception of the last
data byte, the master device responds with an acknowledge bit after receiving each data byte.
Figure 43. Multiple-Byte Read Transfer
Register Map
Table 3. TPA2028D1 Register Map
Register
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
1
EN
SWS
0
FAULT
Thermal
1
NG_EN
2
0
ATK_time [5]
ATK_time [4]
ATK_time [3]
ATK_time [2]
ATK_time [1]
ATK_time [0]
3
0
REL_time [5]
REL_time [4]
REL_time [3]
REL_time [2]
REL_time [1]
REL_time [0]
4
0
Hold_time [5]
Hold_time [4]
Hold_time [3]
Hold_time [2]
Hold_time [1]
Hold_time [0]
5
0
FixedGain [5]
FixedGain [4]
FixedGain [3]
FixedGain [2]
FixedGain [1]
FixedGain [0]
Output
NoiseGate
Output Limiter
6
Limiter
Threshold
Threshold [2]
Level [4]
Level [3]
Level [2]
Level [1]
Level [0]
Disable
[1]
Max Gain
Compression
7
Max Gain [1]
Max Gain [0]
0
[3]
[2]
Ratio [1]
Ratio [0]
The default register map values are given in Table 4.
Table 4. TPA2028D1 Default Register Values Table
Register
0x01
0x02
0x03
0x04
0x05
0x06
0x07
Default
C3h
05h
0Bh
00h
06h
3Ah
C2h
Any register above address 0x08 is reserved for testing and should not be written to because it may change the
function of the device. If read, these bits may assume any value.
Some of the default values can be reprogrammed through the I2C interface and written to the EEPROM. This
function is useful to speed up the turn-on time of the device and minimizes the number of I2C writes. If this is
required, contact your local TI representative.
The TPA2028D1 I2C address is 0xB0 (binary 10110000) for writing and 0xB1 (binary 10110001) for reading. If a
different I2C address is required, please contact your local TI representative. See the General I2C operation
section for more detail.
The following tables show the details of the registers, the default values, and the values that can be programmed
through the I2C interface.
24
Copyright
2010–2011, Texas Instruments Incorporated
Product Folder Link(s): TPA2028D1
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相關代理商/技術參數 |
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| TPA2028D1YZFT | 功能描述:音頻放大器 3.0 W Mono Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2028D1YZFT | 制造商:Texas Instruments 功能描述:SPEAKER AMPLIFIER IC |
| TPA2029D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-W Mono Class-D Audio Amplifier With SmartGain? AGC/DRC |
| TPA2029D1YZFEVM | 功能描述:音頻 IC 開發工具 TPA2029D1 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA2029D1YZFR | 功能描述:音頻放大器 3W Mono Class-D Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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