參數(shù)資料
型號(hào)： TWL1110GQER
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA80
封裝： PLASTIC, BGA-80
文件頁(yè)數(shù)： 15/40頁(yè)
文件大?。?/td> 564K
代理商： TWL1110GQER
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
receive operation
receive channel gain control
The values in the receive PGA control registers control the gain in the receive path. PGA gain is set from
– 6 to 6 dB in 1-dB steps through the I2C interface. The default receive channel gain is – 4 dB.
Table 3. Receive PGA Gain Control
BIT NAME
RELATIVE GAIN, VOICE MODE
DTMF GAIN TONE NODE
RP3
RP2
RP1
RP0
MIN
TYP
MAX
UNIT
DTMF GAIN, TONE NODE
0
5.8
6
6.2
dB
12
0
1
4.8
5
5.2
dB
12
0
1
0
3.8
4
4.2
dB
12
0
1
2.8
3
3.2
dB
6
0
1
0
1.8
2
2.2
dB
6
0
1
0
1
0.8
1
1.2
dB
6
0
1
0
– 0.2
0
0.2
dB
0
1
–1.2
–1
– 0.8
dB
0
1
0
– 2.2
–2
–1.8
dB
0
1
0
1
– 3.2
–3
– 2.8
dB
–6
1
0
1
0
– 4.2
–4
– 3.8
dB
–6
1
0
1
– 5.2
–5
– 4.8
dB
–6
1
0
– 6.2
–6
– 5.8
dB
–12
1
0
1
X
dB
–12
1
0
X
dB
–12
sidetone gain control
The values in the sidetone PGA control registers control the sidetone gain. Sidetone gain is set from –12 dB
to – 24 dB in 2-dB steps through the I2C interface. Sidetone can be muted by setting bit 7 of the power control
register. The default sidetone gain is –12 dB.
Table 4. Sidetone Gain Control
BIT NAME
RELATIVE GAIN
ST2
ST1
ST0
MIN
TYP
MAX
UNIT
0
–12.2
–12
–11.8
dB
0
1
–14.2
–14
–13.8
dB
0
1
0
–16.2
–16
–15.8
dB
0
1
–18.2
–18
–17.8
dB
1
0
– 20.2
–20
–19.8
dB
1
0
1
– 22.2
–22
– 21.8
dB
1
0
– 24.2
–24
– 23.8
dB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TWL1110PBS 制造商:Rochester Electronics LLC 功能描述:- Bulk
TWL1110PBSR 制造商:Rochester Electronics LLC 功能描述:- Bulk
TWL1110TQFP 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR VBAPE
TWL1200 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:SDIO, UART, AND AUDIO VOLTAGE-TRANSLATION TRANSCEIVER
TWL1200IPFBRQ1 功能描述:轉(zhuǎn)換 - 電壓電平 SDIO,UART,and Audio Vltg-Level Xcvr RoHS:否 制造商:Micrel 類(lèi)型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
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