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PEF3065

Features: • Single chip CODEC and FILTER including all LOW VOLTAGE SLIC functions• Only few external components required• No trimming or adjustments required• Specification according to relevant CCITT, LSSGR and DBP recommendations• Digital signal processing technique...

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SeekIC No. : 004459501 Detail

PEF3065: Features: • Single chip CODEC and FILTER including all LOW VOLTAGE SLIC functions• Only few external components required• No trimming or adjustments required• Specification a...

PEF3065 Data Sheet

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Part Number:
PEF3065
Supply Ability:
5000

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  • 1~5000
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  • 15 Days
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Product Details

Description



Features:

• Single chip CODEC and FILTER including all LOW VOLTAGE SLIC functions
• Only few external components required
• No trimming or adjustments required
• Specification according to relevant CCITT, LSSGR and DBP recommendations
• Digital signal processing technique
• Advanced low power 1 mm BiCMOS1) technology
• PCM encoded digital voice transmission (A-Law or -Law)
• Four pin serial IOM-2 Interface
• Standard P-LCC-44 package
• High performance AD and DA Conversion
• Programmable digital filters for
Impedance matching
Transhybrid balancing
Frequency response
Gain
• Advanced test capabilities
Integrated line and circuit tests
Two programmable tone generators
• Optimized HV-SLIC Interface
• Fully digital programmable DC-Characteristic
Programmable Constant Current from 0-70 mA
Programmable Resistive Values from 0-2 ´ 500
• Programmable Integrated Teletax Injection and Filtering during Conversation and Onhook
Programmable up to 125 mVrms (5 Vrms at ab-wire)
Programmable frequency 12/16 kHz
• Polarity reversal (programmable soft or hard)
• Integrated (balanced) Ringing Generation with zero crossing injection
Programmable frequency between 16.6 and 70 Hz (up to 300 Hz for test)
Programmable amplitude up to 2.125 Vrms (85 Vrms at ab-wire)
• Four operating modes: Power Denial, Power Down, Active and Ringing
• Offhook detection with programmable thresholds for all operating modes
• Integrated Ring Trip Detection with zero crossing turn off function
• Ground Start and Loop Start possible
• Integrated checksum Calculation for CRAM
• Line Card Identification


Pinout

Connection Diagram


Specifications

Parameter
Symbol Limit Values Unit Test Condition
min. max.
VDDA referred to GNDA
VDDD referred to GNDD
VSS referred to GNDA
GNDA with respect to GNDD
VDDA with respect toVDDD
VLINE1,2 referred to GND
- 0.3
- 0.3
- 5.5
- 0.3
- 0.3
- 75
7.0
7.0
0.3
0.3
0.3
75
V
V
V
V
V
V
  
Analog input and output voltage
referred to
VDDA = 5 V; (VSS = -5 V)
referred to
VSS = - 5 V; (VDDA = 5 V)
- 10.3
- 0.3
0.3
10.3
V
V
  
All digital input voltages
referred to GNDD = 0 V;
(VDDD = 5 V)
referred to VDDD = 5 V;
(GNDD = 0 V)
- 0.3
- 5.3
5.3
0.3
V
V
  
DC input and output current at
any input or output pin (free from
latch -up)
100
mA
  
Storage temperature
Ambient temperature under bias
TSTG
TA
- 65
- 10
125
80
°C
°C
  
Power dissipation
PD
1
W
  
ESD-integrity (according MIL-Std
883D, method 3015.7) 1)
VESD
1000
v
  
1) All Pins except VLINE1 and VLINE2 (11, 12); for these Pins VESD < 500 V due to process limitation
Note: Stresses above those listed under Absolute Maximum Ratings may cause
permanent damage to the device.
Functional operation under these conditions is not implied.
Exposure to conditions beyond those indicated in the recommended operational
conditions of this specification may effect device reliability.



Description

The Signal Processing Subscriber Line Interface Codec Filter SLICOFI PEB 3065/PEF 3065(PEB 3065/PEF 3065) is a logic continuation of the well established family of the SIEMENS PCM-Codec-Filter-IC's PEB 3065/PEF 3065 with the vertical integration of all DC-feeding, Supervision and Meterpulse Injection features on chip as well. Fabricated in a standard 1 m BiCMOS technology the SLICOFI is tailored for very flexible solutions in digital communication systems.

For the first time the SLICOFI PEB 3065/PEF 3065 uses the benefits of a DSP not only for the voice channel but even for line feeding and supervision which leads to a very high flexibility without the need for external components.

Based on an advanced digital filter concept, the PEB 3065/PEF 3065 provides excellent transmission performance. The new filter concept (second generation in SIEMENS-Codec-family) leads to a maximum of independence between the different filter blocks. Each filter block can be seen as a one to one representative of the corresponding network element. Together with the software package SLICOS PEB 3065/PEF 3065, filter optimizing to different applications of PEB 3065/PEF 3065 can be done in a clear and straight forward procedure. The AC frequency behavior is mainly determined by the digital filters. Using the new oversampling 1 bit-AD/DA converter, linearity is only limited by second order parasitic
effects.

The new - digital - solution of line feeding offers free programmability of feeding current and voltage as well as very fast settling of the dc-operating point after transitions. A 0.3 Hz lowpass filter PEB 3065/PEF 3065 in the DC-loop is mainly responsible for the system stability. Additionally teletax generation and filtering is implemented as well as free programmable (balanced) ring generation with zero-crossing injection. Offhook PEB 3065/PEF 3065 detection with programmable thresholds is possible in all operating modes. To reduce overall power consumption of the line card, the SLICOFI PEB 3065/PEF 3065 provides a special mode called Power Denial where Offhook is done via 2 high voltage inputs (VLINE1 and VLINE2) directly connected to
the line if the HV-SLIC is switched off.




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