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參數(shù)資料
型號： TLV320AIC36IZQE
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA80
封裝： 5 X 5 MM, GREEN, PLASTIC, VFBGA-80
文件頁數(shù)： 81/165頁
文件大小： 1895K
代理商： TLV320AIC36IZQE
(P2R48)
(P2R46)
(P2R49)
(P2R45)
(P2R50)
(P2R47)
HPRVolume
(0 to -78dB)
(P2R62)
(P2R60)
(P2R63)
(P2R59)
(P2R64)
(P2R61)
DAC_L
DAC_R
LINEIN_L
LINEIN_R
PGA_L
PGA_R
RECL Volume
(0 to -78dB)
(P2R55)
(P2R53)
(P2R56)
(P2R52)
(P2R57)
(P2R54)
HPL Volume
(0 to -78dB)
(P2R69)
(P2R67)
(P2R70)
(P2R66)
(P2R71)
(P2R68)
RECRVolume
(0 to -78dB)
(P2R86)
LINEOUT_L Volume
(0 to -78dB)
Gain:
0 to +9 dB
(P2R90)
(P2R88)
(P2R91)
(P2R87)
(P2R92)
(P2R89)
(P2R93)
LINEOUT_RVolume
(0 to -78dB)
(P2R83)
(P2R81)
(P2R84)
(P2R80)
(P2R85)
(P2R82)
Gain:
0 to +9 dB
(P2R65)
+
DAC_L
DAC_R
LINEIN_L
LINEIN_R
PGA_L
PGA_R
Gain:
0 to +9 dB
(P2R58)
+
DAC_L
DAC_R
LINEIN_L
LINEIN_R
PGA_L
PGA_R
Gain:
0 to +9 dB
(P2R51)
+
DAC_L
DAC_R
LINEIN_L
LINEIN_R
PGA_L
PGA_R
Gain:
0 to +9 dB
(P2R72)
+
(P2R36)
DAC_L
DAC_R
LINEIN_L
LINEIN_R
PGA_L
PGA_R
DAC_L
DAC_R
LINEIN_L
LINEIN_R
PGA_L
PGA_R
+
Gain:
0 to +9 dB
(P1R59)
Gain:
0 to +46.5 dB
LINEIN_L
InputMUX
(P1R52)
MIC1_P
EXTMIC_P
MIC1_M
InputMUX
(P1R54)
EXTMIC_M
VCM_ADC
(P1R60)
Gain:
0 to +46.5 dB
VCM_ADC
InputMUX
(P1R57)
EXTMIC_M
MIC2_M
EXTMIC_P
InputMUX
(P1R55)
MIC2_P
LINEIN_R
V
C
M
(P
1
R
1
0
)
ADC
L
+
ADC
R
DAC
L
DAC
R
(P2R40)
LINEIN _R (G 7)
MIC 2_P (H8)
MIC2 _M (G 8)
EXTMIC _M (J7)
VCM_ ADC (J9)
MIC1_M (H6)
EXTMIC _P (H7)
MIC1_P (J6)
LINEIN _L (G 6)
LINEOUT _RM (A8 )
LINEOUT _RP (C6 )
LINEOUT _LM (A7)
LINEOUT _LP (B6 )
HPL (F7)
HPR (F9)
HP_ COM (J8)
GND _HP (E7)
RECL (D8)
RECR ( D9)
DACPwr (P2R37 )
DACCurrentCtrl
(P2R107 )
ADCPwr (P0 R81 )
OpenCircuit
Detect
(P2R108)
OpenCircuit
Detect
(P2R108)
OpenCircuit
Detect
(P2R108)
OpenCircuit
Detect
(P2R108)
AlloutputVolume
Gainsarein 0. 5dBsteps
AlloutputGains
arepositivein 1dBsteps
CommonControls:
SCProtection:(P2R38)
GainSoft-Stepping:(P2R40)
PopReduction:(P2R42)
miniDSP
SBAS387A – MAY 2009 – REVISED JUNE 2010
www.ti.com
5.4
Analog Routing
Figure 5-2. Analog Routing Diagram
5.4.1
Analog Bypass
The TLV320AIC36 offers two analog-bypass modes, line input bypass and PGA bypass mode. For these
modes, all LDOs and the ADC must be enabled. The DAC does not need to be enabled to save power.
5.4.2
Line Input Bypass
This mode routes LINEINL/R to any of the output amplifiers by configuring Page 2, Register 40 and by
programming the output amplifiers to select one or both line inputs. See Figure 5-2. Under normal bypass
operation, the line inputs are AC-coupled to the LINEIN_L/LINEIN_R pins. The ADC generates an internal
commode mode voltage for these signals before the bypass amplifiers. The bypass amplifiers have a fixed
gain of 0 dB for single-ended output to HPL_R and RECL_R, and 6-dB gain for differential output to
LINEOUT_L/LINEOUT_R.
To save power, the ADC can be disabled and an external common mode voltage can be generated for
these pins. A simple 20k
/20k resistor divider from AVDD_ADC to GND_ADC is sufficient with some
compromise in performance.
5.4.3
PGA Bypass
In this mode, the mic or line input signals are amplified by the PGA and routed to the output amplifiers.
See figure 5-2. This mode is enabled by selecting the input mux, setting the PGA gain, and programming
the output amplifiers to select one or both PGA outputs.
22
APPLICATION INFORMATION
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC36
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相關代理商/技術參數(shù)
參數(shù)描述
TLV320AIC36IZQER 功能描述:接口—CODEC Low Pwr Stereo Aud Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320ALC23 制造商:TI 制造商全稱:Texas Instruments 功能描述:Evaluation Platform for the TLV320ALC23 Stereo Audio CODEC and TLV230DAC23 Stereo DAC
TLV320ALC31 制造商:BB 制造商全稱:BB 功能描述:LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY
TLV320DA26IRHBG4 功能描述:音頻數(shù)/模轉換器 IC Lo-Pwr Ster DAC w/Hdphn/Spkr Amp RoHS:否 制造商:Texas Instruments 轉換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
TLV320DAC23 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO AUDIO D/A CONVERTER, 8-TO 96KHZ WITH INTERGRATED HEADPHONE AMPLIFIER
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