company blog about MaxLinear PEF32002VTV12 144V Dual-Channel CODEC/SLIC VQFN-68​

MaxLinear PEF32002VTV12 144V Dual-Channel CODEC/SLIC VQFN-68​

Shenzhen Mingjiada Electronics Co., Ltd, as a world-renowned authorised independent distributor of electronic components, has been offering the high-performance MaxLinear PEF32002VTV12 144V dual-channel CODEC/SLIC chip for a long time. This professional communication chip plays a key role in the transition from traditional telephone networks (POTS) to IP networks.

Product Description Of PEF32002VTV12
PEF32002VTV12 is Dual-Channel CODEC/SLIC, the line interface solutions combine a CMOS codec and high-voltage SLICs in a single package. This reduced footprint provides the unrivaled flexibility and performance that is required to implement cost-optimized Voice CPE (Customer Premises Equipment) applications of superior design.

PEF32002VTV12 line interface solutions combine a CMOS codec and high-voltage SLICs in a single package. This reduced footprint provides the unrivaled flexibility and performance that is required to implement cost-optimized Voice CPE (Customer Premises Equipment) applications of superior design.

PEF32002VTV12 complements MaxLinear´s established and field-proven Voice CPE product line and blends optimally with Home Gateways (DSL, PON, Cable, Ethernet) as well as small and medium sized Enterprise solutions. Its pin-to-pin compatible 1 and 2-channel solutions empower customers to produce a single hardware design implementing a 2-layer PCB. In comparison to the other devices that are available, PEF32002VTV12 offers full transmission performance for Central Office (CO) compliance (for ringing, feeding, DTMF generation & detection, and Caller ID) over the entire industrial temperature range. PEF32002VTV12 also supports industry standard (GR-909) line testing and unique tests such as Capacitance Measurement, AC Level Meter, Make-and Break Dial Tone and Universal Tone Detection.

Specification Of PEF32002VTV12
XFS Ports：2
Interfaces：PCM, SPI, CSI
Supply Voltage (V)：3.3, 1.5
Peak Ringing Voltage (V)：144
V-CODEC：Yes
Line Testing：GR909+
Min Temp (°C)：-40
Max Temp (°C)：85
Package：VQFN-68
X-Y Dimension (mm)：8x8

Key Features Of PEF32002VTV12
Dual-channel design: the PEF32002VTV12 supports two independent analogue telephone lines, saving board space and system cost
144V High Voltage Interface: The PEF32002VTV12 can directly drive long distance subscriber lines without the need for an external booster circuit.
Integrated DC/DC controller: The PEF32002VTV12 has built-in high efficiency power management to simplify system power design.
Low-power architecture: PEF32002VTV12 adopts advanced power management technology, with standby power consumption 30% lower than similar solutions.
Comprehensive diagnostic capabilities: The PEF32002VTV12 provides line voltage, current and impedance measurement capabilities for remote monitoring and maintenance.

Performance Parameters Of PEF32002VTV12
PEF32002VTV12 supports G.711, G.722, G.726 and other voice coding standards
Signal-to-noise ratio (SNR) better than 75dB, providing high-definition voice quality
PEF32002VTV12 operating temperature range: -40°C to +85°C for harsh environments
Compliant with ITU-T, ETSI, FCC and other international communication standards.

Features Of PEF32002VTV12
Balanced (up to 85 Vrms) and unbalanced (up to 50 Vrms) ringing
Caller ID type 1, 2 transmission support
DC, AC and fast ring trip detection
DTMF generator & receiver
Ground key indication
Loop Start and Ground Start signaling
Integrated DC/DC PWM controller
Integrated test and diagnostic functions – GR-909 test sequence – capacitance measurements – voice quality tests (AC level meter)
On-hook transmission
PCM interface G.711 A-law/μ-law or 16-bit linear
Pulse metering (TTX)
Serial Peripheral Interface (SPI)
Combined Serial Interface (CSI)
Wideband audio support (16 kHz, 16-bit linear)
Worldwide programmability for AC transmission performance parameters acc. to ITU-T Q.552 and Telcordia GR-57-CORE

Applications Of PEF32002VTV12
Analog Terminal Adapters
Cable eMTA and Set-Top Boxes
DSL Integrated Access Devices
PBX and Business Gateways
VoIP terminals
xPON Single Family Units and Home Gateway Units