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S5N8943B

Features: · Integrated Analog Front End(AFE) for ADSL ATU-C & ATU-R· Complies with G.lite· Up to 552Kbit/s down stream and 138Kbit/s upstream channel·14bit 2.208MS/s, 4.416MS/s or 8.832MS/s ADC· 14bit 4.416MHz or 8.832MHz DAC· 5th-order Low Pass anti-alias Filter TX/RX paths· RX 42dB 0.4dB ste...

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SeekIC No. : 004482702 Detail

S5N8943B: Features: · Integrated Analog Front End(AFE) for ADSL ATU-C & ATU-R· Complies with G.lite· Up to 552Kbit/s down stream and 138Kbit/s upstream channel·14bit 2.208MS/s, 4.416MS/s or 8.832MS/s ADC·...

S5N8943B Data Sheet

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Part Number:
S5N8943B
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Integrated Analog Front End(AFE) for ADSL ATU-C & ATU-R
· Complies with G.lite
· Up to 552Kbit/s down stream and 138Kbit/s upstream channel
·14bit 2.208MS/s, 4.416MS/s or 8.832MS/s ADC
· 14bit 4.416MHz or 8.832MHz DAC
· 5th-order Low Pass anti-alias Filter TX/RX paths
· RX 42dB 0.4dB step gain range with 12bit control signal
· TX -24dB 2dB step gain range with 8bit control signal
· 10bit 4KHz VCXO DAC
· Fully 0.35um CMOS technology
· 3.3V Power supply operation
· 0.4W Power comsumption


Pinout

Connection Diagram


Specifications

Symbol
 Parameter
Min
Typ
Max
Unit
VDD DC Supply Voltage
-0.3
3.8
V
VIN DC input Voltage
-0.3
VDD+0.3
V
5V tolerant
-0.3
5.5
V
IIN DC input Current
-10
10
mA
TOPR Operation Temperature
-40
85
degree C
TSTG Storage Temperature
-40
125
degree C





Description

The S5N8943B01 is Analog Front End IC designed for DMT based universal ADSL(Asymmetric Digital Subscribe Line) modems with 0.35u fully CMOS technology.

It has 25.875 ~ 138KHz Upstream channel and 142.312 ~ 552KHz bandwidth Downstream channel. The S5N8943B01 includes AGC, LPF, ADC, DAC. The AGC has 42dB gain 0.4dB step in RX mode and 24dB gain 2dB step in TX mode with 12bit/8bit control bits. Anti alias LPF has 552KHz passband frequency in RX path and 138KHz in TX path. Samsung' s ADSL AFE chip provides 14bit ADC at 2.208M, 4.416M or 8.832M sample rates and 14bit 4.416MHz, 8.832MHz DAC.

An 10bit DAC support VCXO control for timing recovery. The VCXO is divided into a crystal driver at 35.328MHz.




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