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| 型號(hào)： | SI3210M-KT |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | Codec |
| 英文描述： | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| 中文描述： | ProSLIC產(chǎn)品可編程的CMOS用戶接口/有振鈴編解碼器/電池電壓生成 |
| 文件頁(yè)數(shù)： | 21/122頁(yè) |
| 文件大?。?/td> | 1950K |
| 代理商： | SI3210M-KT |
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Si3210/Si3211/Si3212
Preliminary Rev. 1.11
21
Functional Description
The ProSLIC is a single low-voltage CMOS device
that provides all the SLIC, codec, DTMF detection, and
signal generation functions needed for a complete
analog telephone interface. The ProSLIC performs all
battery, overvoltage, ringing, supervision, codec, hybrid,
and test (BORSCHT) functions. Unlike most monolithic
SLICs, the Si3210 does not require externally supplied
high-voltage battery supplies. Instead, it generates all
necessary battery voltages from a positive dc supply
using its own dc-dc converter controller. Two fully
programmable tone generators can produce DTMF
tones, phase continuous FSK (caller ID) signaling, and
call progress tones. DTMF decoding and pulse metering
signal generation are also integrated.
The ProSLIC is ideal for short loop applications, such as
terminal adapters, cable telephony, PBX/key systems,
wireless local loop (WLL), and voice over IP solutions.
The device meets all relevant LSSGR and CCITT
standards.
The linefeed provides programmable on-hook voltage,
programmable off-hook loop current, reverse battery
operation, loop or ground start operation, and on-hook
transmission ringing voltage. Loop current and voltage
are continuously monitored using an integrated A/D
converter. Balanced 5 REN ringing with or without a
programmable dc offset is integrated. The available
offset, frequency, waveshape, and cadence options are
designed to ring the widest variety of terminal devices
and to reduce external controller requirements.
A complete audio transmit and receive path is
integrated, including DTMF decoding, ac impedance,
and hybrid gain. These features are software
programmable, allowing for a single hardware design to
meet international requirements. Digital voice data
transfer occurs over a standard PCM bus. Control data
is transferred using a standard SPI. The device is
available in a 38-pin TSSOP.
Linefeed Interface
The ProSLIC’s linefeed interface offers a rich set of
features and programmable flexibility to meet the
broadest applications requirements. The dc linefeed
characteristics are software programmable; key current,
voltage, and power measurements are acquired in
realtime and provided in software registers.
DC Feed Characteristics
The ProSLIC has programmable constant voltage and
constant current zones as depicted in Figure 14. Open
circuit TIP-to-RING voltage (V
OC
) defines the constant
voltage zone and is programmable from 0 V to 94.5 V in
1.5 V steps. The loop current limit (I
LIM
) defines the
constant current zone and is programmable from 20 mA
to 41 mA in 3 mA steps. The ProSLIC has an inherent
dc output resistance (R
O
) of 160
.
Figure 14. Simplified DC Current/Voltage
Linefeed Characteristic
The TIP-to-RING voltage (V
OC
) is offset from ground by
a programmable voltage (V
CM
) to provide voltage
headroom to the positive-most terminal (TIP in forward
polarity states and RING in reverse polarity states) for
carrying audio signals. Table 20 summarizes the
parameters to be initialized before entering an active
state.
Table 20. Programmable Ranges of DC
Linefeed Characteristics
Parameter
Programmable
Range
Default
Value
Register
Bits
Location*
I
LIM
20 to 41 mA
20 mA
ILIM[2:0]
Direct
Register 71
V
OC
0 to 94.5 V
48 V
VOC[5:0]
Direct
Register 72
V
CM
0 to 94.5 V
3 V
VCM[5:0]
Direct
Register 73
*Note:
The ProSLIC uses registers that are both directly
and indirectly mapped. A “direct” register is one that
is mapped directly.
V
(TIP-RING)
(V)
V
OC
Constant
Voltage
Zone
R
O
=160
Constant Current
Zone
I
LIM
I
LOOP
(mA)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SI3210M-BT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3210 | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3210-BT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3210-KT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3211-BT | PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI3210M-KTR | 功能描述:射頻無(wú)線雜項(xiàng) Sgl Ch SLIC/Codec w/ MOSFET Decoder RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| SI3210MPPQ1-EVB | 功能描述:音頻 IC 開發(fā)工具 Si3210M QFN Eval Board RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| SI3210MPPQX-EVB | 功能描述:音頻 IC 開發(fā)工具 Si3210M QFN Eval Board RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| SI3210MPPT1-EVB | 功能描述:音頻 IC 開發(fā)工具 U 634-3210-PPQX-EVB RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| SI3210MPPTX-EVB | 功能描述:音頻 IC 開發(fā)工具 U 634-3210-PPQX-EVB RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
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