參數(shù)資料
型號(hào)： TAS5715PHPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 41.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝： 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
文件頁(yè)數(shù)： 38/74頁(yè)
文件大?。?/td> 2771K
代理商： TAS5715PHPR
HP/
(SE/
)
SPKR
BTL
VALID
PWM_A(L+)
PWM_C(R+)
PWM_B(L–)
PWM_D(R–)
I C:SCL
SDA
2
HPSD
FAULT
(A0/
)
PDN
HPL/R
t
(mute)
t
(mute)
Mute
Exit
ACSD
Enter
ACSD
HP
Config
Enable
FAULT
Disable
FAULT
Unmute
Spkr
Config
Enter
ACSD
50%
Mute
Exit
ACSD
SpkrL–/R–
SpkrL+/R+
Unmute
(ifnotdonein
SpkrConfig)
SpkrL+/R+
SpkrL–/R–
50%
Hi-Z(Ext.Pulldown)
t
(enterSD)
t
(exitSDHPamp)
t
(enterSDHPamp)
t
(exitSDHP)
t
(exitSD)
=1Output
FAULT
T0452-01
www.ti.com
SLOS645 – AUGUST 2010
Headphone Usage
Headphone/Speaker Configuration
PARAMETE
DESCRIPTION
MIN
TYP
MAX
UNIT
R
t(mute)
Mute volume ramp wait time (t(volramp) given by register 0x0E <2:0>)
5 + 1.3 × t(volramp)
ms
Exit shutdown wait time before issuing further commands to device (t(start)
t(exitSD)
1 + 1.3 × t(start)
ms
given by regioster 0x1A<4:0>)
Enter shutdown wait time before issuing further commands to device (t(stop)
t(enterSD)
1 + 1.3 × t(stop)
ms
given by regioster 0x1A<4:0>)
Exit shutdown wait time before enabling external headphone amp (t(HPchg)
t(exitSDHP)
1 + 1.3 × t(HPchg)
ms
given by register 0x1A<6:5>)
Headphone amp exit shutdown wait time before unmuting (t(HPamp) given by
t(exitSDHPamp)
1 + 1.3 × t(HPamp)
ms
register 0x1C<7:4>)
Headphone amp enter shutdown wait time before entering ACSD (t(HPamp)
t(enterSDHPamp)
1 + 1.3 × t(HPamp)
ms
given by register 0x1C<7:4>)
Figure 57. Headphone Control Use Model
Speaker Configuration
Registers 0x07–0x0B
Master/channel speaker volume
Register 0x19
SDG = 0x30 or 0x00 (no channels in SDG)
Registers 0x11–0x12
ICD1/2 = {0xB8, 0x60}
Register 0x1A<7>
Clear bit for speaker mode (HP/SPKR = 0)
Register 0x1A<4:0>
Set to 0 1000 for 16.5-ms start/stop period
Register 0x20<23>
Set bit for Ch1 BD mode
Register 0x20<19>
Set bit for Ch2 BD mode
Register 0x46<1:0>
Set both bits to enable DRC1 and DRC2
Register 0x50<7>
Clear bit to enable EQ
Copyright 2010, Texas Instruments Incorporated
43
Product Folder Link(s): TAS5715
相關(guān)PDF資料
PDF描述
TAS5715PHP 41.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
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