SI3050-E-GTR Silicon Laboratories Inc, SI3050-E-GTR Datasheet - Page 93
SI3050-E-GTR
Manufacturer Part Number
SI3050-E-GTR
Description
IC VOICE DAA GCI/PCM/SPI 20TSSOP
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI3050-E-GTR.pdf
(106 pages)
Specifications of SI3050-E-GTR
Function
Data Access Arrangement (DAA)
Interface
PCM, Serial, SPI
Number Of Circuits
1
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
8.5mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Includes
Line Voltage Monitor, Loop Current Monitor, Overload Detection, Parallel Handset Detection, Polarity Reversal Detection, TIP and
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Lead Free Status / RoHS Status
Supplier Unconfirmed, Lead free / RoHS Compliant
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Pin #
11
12
13
14
15
16
17
18
19
20
Pin Name
SDITHRU
RESET
TGDE
SCLK
GND
TGD
C2A
C1A
V
V
DD
A
TIP Ground Detect Input.
Used to detect current flowing in TIP for supporting ground start applications.
TIP Ground Detect Enable Output.
Control signal for the ground detect relay. Used to support ground start applications.
Reset Input.
An active low input that is used to reset all control registers to a defined, initialized
state. Also used to bring the Si3050 out of sleep mode.
Isolation Capacitor 2A.
Connects to one side of the isolation capacitor C2. Used to communicate with the
line-side device.
Isolation Capacitor 1A.
Connects to one side of the isolation capacitor C1. Used to communicate with the
line-side device.
Regulator Voltage Reference.
This pin connects to an external capacitor and serves as the reference for the internal
voltage regulator.
Digital Supply Voltage.
Provides the 3.3 V digital supply voltage to the Si3050.
Ground.
Connects to the system digital ground.
Serial Port Bit Clock Input.
Controls the serial data on SDO and latches the data on SDI.
SDI Passthrough Output.
Cascaded SDI output signal to daisy-chain the SPI interface with additional devices.
Table 23. Si3050 Pin Descriptions (Continued)
Rev. 1.11
Description
Si3050 + Si3011
93
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