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参数资料
| 型号： | TAS5704PAPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封装： | GREEN, PLASTIC, HTQFP-64 |
| 文件页数： | 36/38页 |
| 文件大小： | 735K |
| 代理商： | TAS5704PAPR |
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www.ti.com
SLOS563A – MARCH 2008 – REVISED AUGUST 2010
PIN FUNCTIONS (continued)
PIN
5-V
TERMINATION
TYPE
DESCRIPTION
TOLERANT
(2)
NAME
NO.
(1)
RESET
16
DI
5-V
Pullup
Reset, active-low. A system reset is generated by applying a logic low
to this terminal. RESET is an asynchronous control signal that sets
the VALID outputs low, and places the PWM in the hard-mute state
(stops switching). Gain is immediately set to full attenuation. Upon the
release of RESET, if PDN is high, the system performs a 4- to 5-ms
device initialization and sets the gain, output configuration, and format
to the settings determined by the hardware pins.
SCLK
23
DI
5-V
Serial audio data clock (shift clock). SCLK is the serial audio port input
data bit clock.
SDIN1
25
DI
5-V
Serial audio data-1 input is one of the serial data input ports. SDIN1
supports three discrete (stereo) data formats.
SDIN2
24
DI
5-V
Serial audio data-2 input is one of the serial data input ports. SDIN2
supports three discrete (stereo) data formats.
SUB_PWM–
39
DO
Subwoofer negative PWM output
SUB_PWM+
40
DO
Subwoofer positive PWM output
VALID
38
DO
Output indicating validity of all PWM channels, active high. Connect
this pin to an external power stage or leave floating.
VCLAMP_AB
60
P
Internally generated voltage supply for channels A and B gate drive.
Not to be used as a supply or connected to any component other than
the decoupling capacitor
VCLAMP_CD
54
P
Internally generated voltage supply for channels C and D gate drive.
Not to be used as a supply or connected to any component other than
the decoupling capacitor
VR_ANA
14
P
Internally regulated 1.8-V analog supply voltage. This terminal must
not be used to power external devices.
VR_DIG
27
P
Internally regulated 1.8-V digital supply voltage. This terminal must not
be used to power external devices.
VREG_EN
18
DI
Pulldown
Voltage regulator enable. Connect directly to GND.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
(1)
VALUE
UNIT
DVDD, AVDD
–0.3 to 3.6
V
Supply voltage
PVCC_X
-0.3 to 30
V
3.3-V digital input
–0.5 to DVDD + 0.5
V
Input voltage
5-V tolerant(2) digital input
–0.5 to 6
V
Input clamp current, IIK (VI < 0 or VI > 1.8 V
±20
mA
Output clamp current, IOK (VO < 0 or VO > 1.8 V
±20
mA
Operating free-air temperature
0 to 85
°C
Operating junction temperature range
0 to 150
°C
Storage temperature range, Tstg
–40 to 125
°C
(1)
Stresses beyond those listed under absolute ratings may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under recommended operation conditions are
not implied. Exposure to absolute-maximum conditions for extended periods may affect device reliability.
(2)
5-V tolerant inputs are PDN, RESET, MUTE, SCLK, LRCLK, MCLK, SDIN1, and SDIN2.
Copyright 2008–2010, Texas Instruments Incorporated
7
Product Folder Link(s): TAS5704
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| TAS5705EVM2 | 功能描述:音频 IC 开发工具 TAS5705EVM2 Eval Mod 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 |
| TAS5705PAP | 功能描述:音频放大器 20W stereo Dig Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TAS5705PAPG4 | 功能描述:音频放大器 20W stereo Dig Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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