lucl9311gp-dt ETC-unknow, lucl9311gp-dt Datasheet
lucl9311gp-dt
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L9311 Line Interface and Line Access Circuit Full-Feature SLIC with High Longitudinal Balance, Ringing Relay, and GR-909 Test Access Introduction The Agere Systems Inc. L9311 is a combination full- feature, ultralow-power SLIC, solid-state ringing access relay, and line test matrix. ...
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Ringing Relay, and GR-909 Test Access Contents Introduction..................................................................1 Features ....................................................................1 SLIC .......................................................................1 Solid-State Ring Relay ...........................................1 Line Test Matrix......................................................1 Applications...............................................................1 Description ................................................................1 Features ......................................................................4 Description...................................................................4 Architecture .................................................................8 Pin Information ............................................................9 Operating States........................................................11 Input State Coding ..................................................11 State Definitions ........................................................13 Primary ...
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July 2001 Figures Figure 1. Architecture Diagram................................... 8 Figure 2. Test Diagram............................................... 9 Figure 3. 44-Pin PLCC ............................................... 9 Figure 4. Timing Requirements ................................ 23 Figure 5. On-State I-V Characteristics...................... 25 Figure 6. Basic Test Circuit ...................................... 26 Figure 7. ...
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Ringing Relay, and GR-909 Test Access Features SLIC, solid-state ring relay, and line test access, inte- grated into a single package 5 V and battery operation User-defined power control options: — Automatic battery switch — Power control resistor — Package ...
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July 2001 Description (continued) The second chip is manufactured in Agere dielectrically isolated 320 V bipolar CMOS diffused metal oxide semiconductor (BCDMOS III) technology. This chip contains the following: Ring access relay Scan clamp circuitry Logic control Ring trip Test ...
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Ringing Relay, and GR-909 Test Access Description (continued) The ring trip detector requires only a single-pole filter at the input. This will minimize the required number of external components. To help minimize device power dissipation, the ring trip detector is ...
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July 2001 Description (continued) For protection against long duration fault conditions, such as power cross and tip/ring shorts, a thermal shut- down mechanism is integrated into the device. Upon reaching the thermal shutdown temperature, the device will enter an all-off ...
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Ringing Relay, and GR-909 Test Access Architecture VITR V REF – AAC TXI + + AX VTX (1 V/50 mA) – ITR REFERENCE TRNG BGND SW3 60 PT SW1 18 V BAT VITR TESTLEV TEST V REF BGND VTX PR ...
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July 2001 Architecture (continued) VITR VTX + V REF – TEST BLOCK DGND DGND Figure 2. Test Diagram Table 1. Pin Descriptions Pin Symbol Type 1 ...
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Ringing Relay, and GR-909 Test Access Pin Information (continued) Table 1. Pin Descriptions (continued) Pin Symbol Type 9 LCF — Loop Closure Filter Capacitor. PPM injection can cause false loop closure indication. Connect a capacitor from this node to V ...
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July 2001 Pin Information (continued) Table 1. Pin Descriptions (continued) Pin Symbol Type 33 DGND G Digital Ground. Ground return for V 34 RGDET O Ring Ground Detect. When high, this open collector output indicates the presence of a ring ...
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Ringing Relay, and GR-909 Test Access Operating States (continued) Input State Coding (continued) Data control is via a parallel latched data control scheme. Data latches are edge-level sensitive. Data is latched in when the LATCH control input goes low. Data ...
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July 2001 State Definitions Primary Control Modes Powerup, Forward Battery Normal talk and battery feed state. Pin PT is positive with respect to pin PR. All ac transmission and dc feed circuits are powered up. On-hook transmission is enabled. Thermal ...
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Ringing Relay, and GR-909 Test Access State Definitions (continued) Primary Control Modes (continued) Disconnect—Break Before Make The tip and ring amplifiers are turned off to conserve power. Break switches (SW1 and SW2) are open, and ring access switches (SW3 and ...
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July 2001 State Definitions (continued) Secondary Control Mode States Current: Tip to Ring—VITR A voltage proportional to the ac tip to ring differential current, tip to ground current, or ring to ground cur- rents, appears at TESTLEV output. Use this ...
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Ringing Relay, and GR-909 Test Access Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso- lute stress ratings only. Functional operation of the device is not implied at ...
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July 2001 Electrical Characteristics In general, minimum and maximum values are testing requirements. However, some parameters may not be tested in production because they are guaranteed by design and device characterization. Typical values reflect the design center or nominal value ...
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Ringing Relay, and GR-909 Test Access Electrical Characteristics Ring Trip Detector Table 6. Ring Trip Detector Parameter Voltage at Input that will Cause Ring Trip After Appropriate Zero Crossings Voltage at Input that will Cause Immediate Ring Trip 1 Ringing ...
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July 2001 Electrical Characteristics Test Table 7. ac Test Source Parameter 1, 2 Test Source : Frequency (f1) Signal Gain (TESTSIG to amplifier outputs) V Signal Gain Voltage Coefficient Input Signal 3 Harmonic Distortion 1. ac test signal should be ...
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Ringing Relay, and GR-909 Test Access Electrical Characteristics SLIC Two-Wire Port Table 9. SLIC Two-Wire Port Parameter PT and PR Drive Current = dc + Longitudinal + Signal Currents Signal Current Longitudinal Current Capability per Wire (longitudinal current is indepen- ...
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July 2001 Electrical Characteristics Analog Pin Characteristics Table 10. Analog Pin Characteristics Parameter TXI (input impedance) V Input Bias Current* (current flow out of pin) PROG LCTH Input Bias Current* (+ current flows into pin) VTX: Output Offset Output Drive ...
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Ringing Relay, and GR-909 Test Access Electrical Characteristics ac Feed Characteristics Table 11. ac Feed Characteristics Parameter 1 ac Termination Impedance Total Harmonic Distortion (200 Hz—4 kHz) Off-hook On-hook 3 Transmit Gain f = 1004 Hz, 1020 Hz: PT/PR Current ...
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July 2001 Electrical Characteristics Logic Inputs and Outputs, V Table 12. Logic Inputs and Outputs Parameter Input Voltages: Low Level High Level Input Current: Low Level ( High Level (V = ...
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Ringing Relay, and GR-909 Test Access Electrical Characteristics Switch Characteristics Table 14. Break Switches (SW1, 2) Parameter Off State: Maximum Differential Voltage dc Leakage Current (Vsw = ±320 V) On State (see On-State I-V Switch Characteristics section): Resistance Maximum Differential ...
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July 2001 Electrical Characteristics Switch Characteristics (continued) Table 16. Ringing Access Switch (SW4) Parameter Off State: Maximum Differential Voltage dc Leakage Current (Vsw = ±475 V) (pole to pole) Isolation On State (see On-State Switch I-V Characteristics section): Resistance Voltage ...
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Ringing Relay, and GR-909 Test Access Test Configurations TRING TRING RRING RING RSW RSW RTS RTS RING LOOP 100 600 50 PT TIP OVH OVH V V PROG PROG LCTH LCTH V V REF REF 0.1 F ...
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July 2001 Test Configurations (continued) V BAT 100 V S 4.7 µ BAT BASIC 900 V T/R TEST CIRCUIT – --------- - PSRR = 20 log V T/R Figure 7. Metallic PSRR ...
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Ringing Relay, and GR-909 Test Access Applications dc Characteristics Power Control Under normal device operating conditions, thermal design must ensure that the device temperature does not rise above the thermal shutdown. Power dissipation is highest with higher battery voltages, with ...
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July 2001 Applications (continued) dc Characteristics (continued) Automatic Battery Switch Use of the automatic battery switch controls power dis- sipation by automatically switching to the lower-voltage auxiliary battery under short dc loop conditions, thus reducing the short-loop power that is ...
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Ringing Relay, and GR-909 Test Access Applications (continued) dc Characteristics (continued) Power Control Resistor (continued) The magnitude of the power control resistor must be low enough to ensure that sufficient power is dissipated on the resistor to ensure the L9311 ...
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July 2001 Applications (continued) dc Characteristics (continued) Overhead Voltage (continued) In the scan mode, overhead is unaffected by V internally fixed by the scan clamp circuitry to within the specified limits. The TESTSIG and RCV inputs will not overload with ...
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Ringing Relay, and GR-909 Test Access Applications (continued) dc Characteristics (continued) Battery Feed The L9311 operates unbalanced mode. In the forward active state, under open circuit (on-hook) con- ditions, with the default overhead chosen, the tip to ...
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July 2001 Applications (continued) dc Characteristics (continued) Battery Feed (continued) Refer to Figure 13 and Figure 14 in this section and to Figure 12 in the Automatic Battery Switch section. Starting from the on-hook condition and going through to a ...
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Ringing Relay, and GR-909 Test Access Supervision (continued) Ring Trip Ring trip is set by the value of RS1. The ring trip threshold at the ring trip inputs is ±2.5 V minimum, ±3.5 V maximum. A resistor value of 400 ...
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July 2001 Supervision (continued) Make-Before-Break Operation With the make-before-break switch, there will be a period of time (depending on ring signal frequency but measured in tens of microseconds) where all four switch contacts will be on. This means that the ...
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Ringing Relay, and GR-909 Test Access Protection (continued) Active Mode Response at PT/PR The line break switches and tip return switch are cur- rent-limited switches. The current-limit mechanism lim- its current through the switch to the specified dc current limit ...
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July 2001 Protection (continued) Ring Mode Response at PT/PR In this mode, the line break switches are off and the ring access and ring return switch is on. The secondary protectors must ensure that the minimum off-state volt- age rating ...
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Ringing Relay, and GR-909 Test Access Special Functions Line Test The L9311 provides line test capability. Through a series of integrated analog switches, in the test mode, an analog voltage proportional to the dc tip to ground voltage, dc ring ...
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July 2001 Special Functions (continued) Line Test (continued) Table 20 shows design equations to measure the various line voltages and currents. Table 20. TESTLEV Output Options Test Mode Test Off High Impedance V V REF TESTLEV Tip-to-Ring Voltage (V TIP ...
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Ringing Relay, and GR-909 Test Access ac Applications ac Parameters There are four key ac design parameters. Termination impedance is the impedance looking into the 2-wire port of the line card set to match the impedance of the ...
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July 2001 ac Applications (continued) ac Interface Network The ac interface network between the L9311 and the codec will vary depending on the codec selected. With a first-generation codec, the interface between the L9311 and codec actually sets the ac ...
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Ringing Relay, and GR-909 Test Access ac Applications (continued) ac Interface Network (continued) Thus, it appears the solution is to have a SLIC with a low gain, especially in the receive direction. This will allow the codec to operate near ...
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July 2001 ac Applications (continued) First-Generation Codec ac Interface Network: Resistive Termination BREAK SWITCH TIP I T/R + CURRENT T/R BREAK SENSE – SWITCH R P RING 18 Example 1, ...
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Ringing Relay, and GR-909 Test Access ac Applications (continued) First-Generation Codec ac Interface Network: Resistive Termination Example 1, Real Termination (continued) V BAT1 C VBAT1 0 BGND BAT2 BAT1 PWR T RING V BAT R RING ...
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July 2001 ac Applications (continued) First-Generation Codec ac Interface Network: Resistive Termination Example 1, Real Termination (continued) Table 21. L9311 Parts List for Agere T7504 First-Generation Codec Resistive Termination, Single Battery Operation Name Value Fault Protection ...
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Ringing Relay, and GR-909 Test Access ac Applications (continued) Third-Generation Codec ac Interface Network: Complex Termination The following reference circuit shows the complete SLIC schematic for interface to the Agere T8536 third-genera- tion. All ac parameters are programmed by the ...
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July 2001 ac Applications (continued) Third-Generation Codec ac Interface Network: Complex Termination Table 22. L9311 Parts List for Agere T8536 Third-Generation Codec, Dual Battery Operation, ac and dc Parameters, Fully Programmable Name Value Fault Protection ...
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Ringing Relay, and GR-909 Test Access Outline Diagram 44-Pin PLCC PIN #1 IDENTIFIER 17.65 MAX 16.66 MAX ZONE 16.66 MAX 17. 4.57 MAX 0.51 MIN 1.27 TYP 0.53 TYP MAX ...
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... July 2001 Ordering Information Device Part Number LUCL9311AP-D LUCL9311AP-DT LUCL9311GP-D LUCL9311GP-DT Agere Systems Inc. Ringing Relay, and GR-909 Test Access Package 44-Pin PLCC, Dry-bagged 44-Pin PLCC, Dry-bagged, Tape and Reel 44-Pin PLCC, Dry-bagged 44-Pin PLCC, Dry-bagged, Tape and Reel Comcode 108555491 ...
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For additional information, contact your Agere Systems Account Manager or the following: INTERNET: http://www.agere.com E-MAIL: docmaster@micro.lucent.com N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286 1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106) ASIA PACIFIC: Agere ...