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參數(shù)資料
| 型號(hào)： | SI3211-KT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁(yè)數(shù)： | 73/148頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SLIC/CODEC PROG 1CH 38TSSOP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 系列： | ProSLIC® |
| 功能： | 用戶線路接口概念（SLIC），CODEC |
| 接口： | PCM，SPI |
| 電路數(shù)： | 1 |
| 電源電壓： | 3.3V，5V |
| 電流 - 電源： | 88mA |
| 功率（瓦特）： | 700mW |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 38-TFSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 38-TSSOP |
| 包裝： | 管件 |
| 包括： | BORSCHT 功能，DTMF 生成和解碼，F(xiàn)SK 來電形顯示接收生成，脈沖測(cè)量生成，振鈴和電池電壓 |
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Si3210/Si3211
30
Rev. 1.61
Not
Recommended
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2. 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 Si3201
linefeed interface IC performs all high-voltage functions.
As an option, the Si3201 can also be replaced with low-
cost discrete components as shown in the typical
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 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 QFN or TSSOP package.
2.1. 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 real time and provided in software registers.
2.1.1. DC Feed Characteristics
The ProSLIC has programmable constant voltage and
constant current zones as shown in Figure 16. Open-
circuit TIP-to-RING voltage (VOC) defines the constant
voltage zone and is programmable from 0 V to 94.5 V in
1.5 V steps. The loop current limit (ILIM) 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 (RO) of 160 .
Figure 16. Simplified DC Current/Voltage
Linefeed Characteristic
The TIP-to-RING voltage (VOC) is offset from ground by
a programmable voltage (VCM) to provide voltage
headroom to the positive-most terminal (TIP in forward
polarity states and RING in reverse polarity states) for
carrying
audio
signals.
summarizes
the
parameters to be initialized before entering an active
state.
Table 22. Programmable Ranges of DC
Linefeed Characteristics
Parameter
Programmable
Range
Default
Value
Register
Bits
Location*
ILIM
20 to 41 mA
20 mA
ILIM[2:0]
Direct
Register 71
VOC
0 to 94.5 V
48 V
VOC[5:0]
Direct
Register 72
VCM
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(m A )
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SI3216-FT | IC SLIC/CODEC 1CH 38TSSOP |
| SI3225-G-GQ | IC PROSLIC/CODEC DUAL 64TQFP |
| SI3230-KT | IC SLIC PROG 1-CH 38TSSOP |
| SI5010-B-GM | IC CLOCK/DATA RECOVERY LP 20-QFN |
| SI5013-D-GM | IC CLOCK/DATA RECOVERY 28MLP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI3211-KTR | 制造商:Silicon Laboratories Inc 功能描述: |
| SI3211PPTX-EVB | 功能描述:音頻 IC 開發(fā)工具 Si3211 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 |
| SI3212 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3212-BT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
| SI3212-KT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PROSLIC PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION |
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