E-STLC7550TQF7 STMicroelectronics, E-STLC7550TQF7 Datasheet - Page 20
E-STLC7550TQF7
Manufacturer Part Number
E-STLC7550TQF7
Description
IC ANALOG FRONT END LV 48-TQFP
Manufacturer
STMicroelectronics
Datasheet
1.E-STLC7550TQF7.pdf
(24 pages)
Specifications of E-STLC7550TQF7
Number Of Bits
16
Number Of Channels
1
Power (watts)
30mW
Voltage - Supply, Analog
2.7 V ~ 5.5 V
Voltage - Supply, Digital
2.7 V ~ 5.5 V
Package / Case
48-TQFP, 48-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
E-STLC7550TQF7
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
E-STLC7550TQF7
Manufacturer:
ST
Quantity:
20 000
Typical application
4
20/24
Typical application
Figure 12. Line Interface - Differential Duplexor
All capacitor, resistor and impedance values are provided for indication only. These values
must be readjusted according to line transformer characteristics and also
telecommunication regulations in force in individual countries.
Refer to Application Note AN930 for more detailed information. Contact your local
representative.
OUT+
OUT-
IN+
IN-
VCM
13.2kΩ
13.2kΩ
680pF
2.2nF
2.2nF
1.2kΩ
1.2kΩ
22kΩ
22kΩ
22kΩ
22kΩ
C'
R'
R'
r
Rev 9
100pF
100pF
VCM
C : Improve the low frequency response.
Its value depends on the transformer inductance.
C' : Reduces the DC offset gain.
Z0 : Nominal line impedance
C
2R
C
2R
Z0/2
Z0/2
R
R
Phone
Line
STLC7550