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参数资料
| 型号： | TAS5709APHPR |
| 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, PQFP48 |
| 封装： | 7 X 7 MM, GREEN, PLASTIC, HTQFP-48 |
| 文件页数： | 58/60页 |
| 文件大小： | 1210K |
| 代理商： | TAS5709APHPR |
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www.ti.com ..................................................................................................................................... SLOS599A – NOVEMBER 2008 – REVISED SEPTEMBER 2009
PIN FUNCTIONS (continued)
PIN
TYPE
5-V
TERMINATION
DESCRIPTION
(1)
TOLERANT
(2)
NAME
NO.
NC
8
–
No connection
OC_ADJ
7
AO
Analog overcurrent programming. Requires resistor to ground
OSC_RES
16
AO
Oscillator trim resistor. Connect an 18.2-k
1% resistor to DVSSO.
OUT_A
1
O
Output, half-bridge A
OUT_B
46
O
Output, half-bridge B
OUT_C
39
O
Output, half-bridge C
OUT_D
36
O
Output, half-bridge D
PDN
19
DI
5-V
Pullup
Power down, active-low. PDN prepares the device for loss of power
supplies by shutting down the noise shaper and initiating PWM stop
sequence.
PGND_AB
47, 48
P
Power ground for half-bridges A and B
PGND_CD
37, 38
P
Power ground for half-bridges C and D
PLL_FLTM
10
AO
PLL negative loop-filter terminal
PLL_FLTP
11
AO
PLL positive loop-filter terminal
PVDD_A
2, 3
P
Power-supply input for half-bridge output A
PVDD_B
44, 45
P
Power-supply input for half-bridge output B
PVDD_C
40, 41
P
Power-supply input for half-bridge output C
PVDD_D
34, 35
P
Power-supply input for half-bridge output D
RESET
25
DI
5-V
Pullup
Reset, active-low. A system reset is generated by applying a logic low
to this pin. RESET is an asynchronous control signal that restores the
DAP to its default conditions and places the PWM in the hard-mute
(high-impedance) state.
SCL
24
DI
5-V
I2C serial control clock input
SCLK
21
DI
5-V
Pulldown
Serial audio data clock (shift clock). SCLK is the serial audio-port
input-data bit clock.
SDA
23
DIO
5-V
I2C serial control data interface input/output
SDIN
22
DI
5-V
Pulldown
Serial audio-data input. SDIN supports three discrete (stereo) data
formats.
SSTIMER
6
AI
Controls ramp time of OUT_X to minimize pop. Leave this pin floating
for BD mode. Requires capacitor of 2.2 nF to GND in AD mode. The
capacitor determines the ramp time.
STEST
26
DI
Factory test pin. Connect directly to DVSS.
FAULT
14
DO
Back-end error indicator. Asserted LOW for overtemperature,
overcurrent, overvoltage, and undervoltage error conditions.
De-asserted on recovery from an error condition
VR_ANA
12
P
Internally regulated 1.8-V analog supply voltage. This pin must not be
used to power external devices.
VR_DIG
18
P
Internally regulated 1.8-V digital supply voltage. This pin must not be
used to power external devices.
VREG
31
P
Digital regulator output. Not to be used for powering external circuitry.
Copyright 2008–2009, Texas Instruments Incorporated
7
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相关代理商/技术参数 |
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|---|---|
| TAS5709EVM | 功能描述:音频 IC 开发工具 TAS5709EVM 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 |
| TAS5709PHP | 功能描述:音频放大器 20W Stereo I2S input 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 |
| TAS5709PHPG4 | 功能描述:音频放大器 20W Stereo I2S input 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 |
| TAS5709PHPR | 功能描述:音频放大器 20W Stereo I2S input 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 |
| TAS5709PHPRG4 | 功能描述:音频放大器 20W Stereo I2S input 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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