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MTC20154 Datasheet(PDF) 5 Page - STMicroelectronics

Part # MTC20154
Description  INTEGRATED ADSL CMOS ANALOG FRONT-END CIRCUIT
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

MTC20154 Datasheet(HTML) 5 Page - STMicroelectronics

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MTC20154
Figure 2. MTC20154 Grounding and Decoupling Networks
59
AVSS
XTAL
Crystal driver analog negative supply Ana supply
Direct
Bi
Z = 0
≅ Ω
60
AVSSDAC
DAC analog negative supply
Ana supply
Direct
Bi
Z = 0
≅ Ω
61
IVCO
VCO steering current reference
VCO
Analog
Bi
DC current
62
VCOcap
VCO external capacity connection
Capacity
Analog
Bi
No Dc current
63
VCXOI
VCO steering current output
VCO
Analog
Bi
DC current
Mode selection interface
26
LTNT
Mode selection: LT or NT (static)
Strap
Schmitt In
high Z
27
TEST
Test mode selection (static)
Strap
Schmitt In
high Z
Analog test access interface
41
T2N
Neg. diff input/output test access
Test
Analog
Bi
V com = VDD/2
42
T2P
Pos. diff. input/output test access
Test
Analog
Bi
V com = VDD/2
46
T1P
Pos. diff output test access
Test
Analog
Out
V com = VDD/2
47
T1N
Neg. diff output test access
Test
Analog
Out
V com = VDD/2
Table 1. Pinning Description MTC20154 AFE (continued)
Pin
Name
Description
Connection
Type
Dir.
Main
characteristics
Analog VDD
10µF
10µF
100nF
10µF
100nF
100nF
100nF
10µF
100nF
10µF
25
100nF
AVDD
each pin
must have
its own
capacitor
100nF
VRAP pin
VREF pin
VRAN pin 26
OAC VREF
DAC
VCOcap pin
AVDD
AVOD
38
AGND pin



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