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ST70136B Folha de dados(PDF) 4 Page - STMicroelectronics

Nome de Peças ST70136B
Descrição Electrónicos  CPE ADSL ANALOG FRONT END
PDF  24 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST70136B Folha de dados(HTML) 4 Page - STMicroelectronics

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* A "N" means active low. Example: R/NW means write active low.
29
H7
RXN
AI
Negative Analog Receive input
30
G6
VDDA1
VDDA
RXPGA voltage supply (5v)
31
F5
VDDA3
VDDA
Bias and References voltage supply (5v)
32
H8
IREF50U
AI
External resistor for bias current 50k
Ω
33
G8
V3P75V
AO
3.75v output from bandgap; 0.22
µF decoupling
34
G7
VSBIAS
VSSA
Substrate voltage for biasing & reference cell (Must be connected to
VSSAx)
35
F7
V375AD
AO
3.75 volt reference voltage. Need decoupling 0.1
µF
36
F8
V250AD
AO
2.50 volt reference voltage. Need decoupling 0.1
µF
37
F6
V125AD
AO
1.25 volt reference voltage. Need decoupling 0.1
µF
38
E7
V290DA
AO
2.90 volt reference voltage. Need decoupling 0.1
µF
39
E8
VSSA3
VSSA
Biasing and References ground voltage
40
E6
VSSA4
VSSA
Tx path ground voltage
41
D6
PGAN
AO
Negative TXPGA output
42
D8
TXIP
AI
Positive analog input for Tx external filtering
43
D7
TXN
AO
Negative analog transmit output
44
C7
TXP
AO
Positive analog transmit output
45
C8
TXIN
AI
Negative analog input for Tx external filtering
46
B7
PGAP
AO
Positive TXPGA output
47
B8
VDDA4
VDDA
Tx analog supply voltage (5V)
48
A8
VSDA
VSSA
Substrate voltage for DAC path (Must be connected to VSSAx)
49
A7
VSSA5
VSSA
DAC path ground voltage
50
C6
VDDA5
VDDA
DAC analog supply voltage (5v)
51
A6
GC1
DO
MSB for external gain control
52
B6
GC0
DO
LSB for external gain control
53
D5
VDDA6
VDDA
VCXO & Tone detector Input analog supply voltage (5v)
54
C5
TON
AI
Negative tone detector input
55
B5
TOP
AI
Positive tone detector input
56
D4
VCXOUT
AIO
VCXO output current
57
A5
IVCO
AIO
VCXO input current
58
C4
VCOCAP
AO
VCXO output filtering
59
A4
VSSA6
VSSA
VCXO & Tone detector analog ground voltage
60
B4
VSSESD
VSSD
Ground voltage reference for ESD
61
D3
VSSOSC
VSSD
Ground voltage for Xtal oscillator
62
A3
XTALI
DI
Xtal oscillator input
63
B3
XTALO
DO
Xtal oscillator output
64
A2
VDDOSC
VDDD
Supply voltage for Xtal cell (3.3v)
Table 1 : Pin Assignment (continued)
Pins
Name
Type
Description
TQFP
LFBGA



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