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| Technical Data Sheet Features SSC P111 PL Media Interface IC * Integrates Power Amplifier and Tri-state functions for CEBus Powerline (PL) Physical Interfaces * Replaces approximately 30 discrete components to save board space and increase reliability * Implements high-drive Output Amplifier (6 Vp-p into 10 ohm load) to increase performance under low impedance conditions * Output Amplifier is a Class AB configuration for increased efficiency and lower power consumption VSS VDD VSS TXO VSS VDD TP0 TS 1 2 3 4 5 6 7 8 SSC P111 16 15 14 13 12 11 10 9 NC VSS NC CEXT NC BIAS VDD TXI * Incorporates built-in over temperature protection circuit for improved system reliability * Serves as companion IC to Intellon SSC P300 and P200 Network Controller IC's * 16 Pin SOIC Package Introduction The SSC P111 PL Media Interface IC provides the functions of Output Power Amplifier and Output Tri-state Switch for power line transceiver products. The Output Power Amplifier meets the requirements specified by the EIA-600 (CEBus) Standard for output voltage levels into typical and low impedance power line loads and incorporates over-temperature protection for improved system reliability. The IC replaces approximately 30 of the discrete components normally used in support of PL transceivers and reduces required printed circuit board area by up to 50%. SSC P111 IC Block Diagram Power Amplifier TXI Gain Control TXO TS TPO Tri-State Control Temperature Sense Circuit August 1998 Revision 7 24000624 SSC P111 PL Media Interface IC CEBus Power line "Node" Overview As illustrated in the node block diagram below, the Host microprocessor interprets commands and data for the User Application and provides the upper layers (Application and high-level Network) of the CEBus communication protocol. Low-level Network, Data Link, and Physical layer services of the protocol are provided by the Intellon SSC P300 Network IC. Output signal amplification is provided by the SSC P111 PL Media Interface IC. The Buffer Amplifier, Low-pass Pre-filter and Input Filter functions are performed using external discrete components. Likewise, discrete components are also utilized to couple the Node to the power line. SSC P111 Functionality When transmitting, the output "chirp" waveform from the SSC P300 SO pin is buffered by an external unity gain Buffer Amplifier before being filtered by an external low-pass filter. Once the signal passes through the filter, the output waveform is applied to the SSC P111 TXI pin for amplification by the Power Amplifier and then applied to the external Power line Coupling/Filter network. The Tri-State (TS) signal from the SSC P300 disconnects the SSC P111 power amplifier from the coupling network when the system is in the receive mode and places the SSC P111 power amplifier in a power-down state. Under output overload conditions, temperature sense circuitry inside the SSC P111 reduces the power amplifier fixed gain from 2 to 1, which will lower the output transistor power dissipation. Application Block Diagram Using the SSC P111 and SSC P300 4 MHz RST* . Host Micro SDI SDO SCLK CS* INT* Xcvr ADC Amp DLL Micro DAC Buf 3 MHz Clk Gen Osc 12 MHz SSC P111 PL Media Interface TS TXO TS SO Buffer Amplifier Lowpass Filter TXI Power Amp SI Input Filter Application I/O Powerline Coupling AC Line Host System SSC P300 PL Network Interface Controller August 1998 2 Revision 7 24000624 SSC P111 PL Media Interface IC SSC P111 Transient Protection Since the SSC P111 drives the AC power line, voltage transients present on the line will conduct back through the coupling circuitry and onto the SSC P111 output pin. Under certain conditions, transients with high amplitudes and/or fast rise times can cause the SSC P111 IC to become damaged. Transient suppression circuitry is required to ensure proper operation of the SSC P111 IC. The recommended protection circuitry includes a MOV/Zener Diode combination at the AC Power Line Coupler, and a Transient Voltage Suppressor (TVS)/Schottky Diode combination at the SSC P111 IC output pin. Refer to Application Note #0071, "Surge Protection Techniques for Power Line Communications", and the Hardware Design Reference document for the SSC P300 and P200. Keep in mind that these recommendations may not be sufficient for all applications and that environments with high voltage transient activity may require additional protection elements. Absolute Maximum Ratings(1) Symbol VDDMAX VIN TSTG TL ESD Parameter DC Supply Voltage Input Voltage (any pin) Storage Temperature Lead Temperature (Soldering, 10 Sec.) ESD Tolerance (2) Value 0 to +11.0 VSS - 0.3 to VDD -65 to +150 300 2 Unit V V C C kV Notes: 1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. 2) ESD uses MIL-STD-833C Method 3015 as a guideline to testing. Recommended Operating Conditions Symbol VDD TA Parameter DC Supply Voltage Operating Temperature Humidity Min 9.0 -40 Typical 10.0 +25 non-condensing Max 11.0 +85 Unit V C August 1998 3 Revision 7 24000624 SSC P111 PL Media Interface IC Electrical Characteristics Symbol ZIN(PA) AV(PA) VIN(PA) PM(PA) GBW (PA) VIH VIL IIL Hys Tenbl Tdisabl IDD (TX) IDD (RX) Notes: Parameter Power Amplifier Input Resistance Power Amplifier Voltage Gain Input Voltage range of Power Amplifier Phase Margin of Power Amplifier Gain Bandwidth of Power Amplifier Minimum High-level Input Voltage Maximum Low-level Input Voltage Maximum Input Leakage Current Minimum Input Hysteresis TS to Power Amp output signal valid TS to Power Amp output tristate Supply Current (Transmit) Supply Current (Receive) Latchup Min 1.4 1.8 Typical 2 2 3 78 Max 2.7 2.2 3.5 2.1 0.5 +/-10 350 500 50 250 20 Unit K V/V Vac Deg MHz V V A mV ns ns mA mA mA Notes 1.1 4.0 (1) (1) (1) (1) 140 10 150 (2) (3) 1) Input Signal TS 2) Typical value for driving 10 Ohm, AC coupled load 3) JEDEC JC-40.2 SSC P111 Pin Assignments Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Mnemonic VSS VDD VSS TXO VSS VDD TP0 TS TXI VDD BIAS NC CEXT NC VSS NC Name Analog Ground Analog Supply Analog Ground PowerAmp Output Analog Ground Analog Supply Test Pin 0 Tristate In PowerAmp Input Analog Supply Bias Input No Connect External Capacitor No Connect Analog Ground No Connect Description Ground Reference. Power Amplifier +10 VDC +/- 10% analog supply voltage with respect to VSS. Power Amplifier Ground Reference. Power Amplifier signal output. Transmit enabled with TS = Logic 1. Power Amplifier Ground Reference. Power Amplifier +10 VDC +/- 10% analog supply voltage with respect to VSS. Reserved pin for testing. Connect pin to VDD supply TTL-level digital input signal driven from the transceiver. Logic 0 places Power Amplifier in tri-state mode. Power Amplifier signal input. +10 VDC +/- 10% analog supply voltage with respect to VSS. Connection for external 75Kohm, 1% bias resistor to ground. Do not connect to this pin. Connection for external 1 uF capacitor to ground. Do not connect to this pin. Ground Reference. Do not connect to this pin. August 1998 4 Revision 7 24000624 SSC P111 PL Media Interface IC Typical Performance Characteristics VDD = 9 VDC, Vss = 0 VDC, TA = 25 C unless otherwise indicated. Input signal is at a constant 100% transmit rate with Spread Spectrum Carrier Chirps. 8 OUTPUT VOLTAGE (Vp-p) 7 6 5 4 3 2 1 0 1 2 3 5 10 20 50 NONE LOAD (OHMS) Scale not linear Figure 2. P111 Output Voltage VS. Load (Transmit Mode) POWER SUPPLY CURRENT (mA) 250 200 150 100 50 0 1 2 3 5 10 20 50 NONE LOAD (OHMS) Scale not linear Figure 3. P111 Power Supply Current VS. Load (Transmit Mode) August 1998 5 Revision 7 24000624 SSC P111 PL Media Interface IC SSC P111 Mechanical Specifications PIN 16 PIN 9 .0091/.0125 .016/.050 .394/.419 .2914/.2992 PIN 1 INDEX PIN 1 PIN 8 0 to 8 Degrees .3976/.4134 .0926/.1043 .013/.020 .050 TYP .004/.0118 Figure 4. 16 Pin SOIC Package Outline in inches August 1998 6 Revision 7 24000624 SSC P111 PL Media Interface IC Ordering Information SSC P111 PL Media Interface IC 5100 West Silver Springs Boulevard Ocala, Florida 34482 Phone: (352) 237-7416 Fax: (352) 237-7616 Internet http://www.intellon.com ftp://ftp.intellon.com (c)Intellon Corporation, 1998. Intellon Corporation reserves the right to make changes to this data sheet without further notice. Intellon Corporation makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. Intellon Corporation assumes no liability arising out of the application or use of any product or circuit. Intellon Corporation specifically disclaims any and all liability, including without limitation consequential or incidental damages. August 1998 7 Revision 7 24000624 |
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