LUCL9214AA-DT AGERE [Agere Systems], LUCL9214AA-DT Datasheet
LUCL9214AA-DT
Related parts for LUCL9214AA-DT
LUCL9214AA-DT Summary of contents
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L9214A/G Low-Cost Ringing SLIC Introduction The Agere Systems Inc. L9214 is a subscriber line interface circuit that is optimized to provide a very low-cost solution for short- and medium-loop applica- tions. This device provides the complete set of line interface ...
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Low-Cost Ringing SLIC Contents Introduction..................................................................1 Features ....................................................................1 Applications...............................................................1 Description ................................................................1 Features ......................................................................4 Description...................................................................4 Architecture Diagram...................................................7 Pin Information ............................................................8 Operating States........................................................12 State Definitions ........................................................12 Forward Active (Fast Polarity Reversal) .................12 Off-hook................................................................12 On-hook................................................................12 Forward Active (Slow Polarity Reversal).................12 Off-hook................................................................12 On-hook................................................................12 Reverse Active ...
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October 2001 Figures Figure 1. Architecture Diagram ...................................7 Figure 2. 28-Pin SOG Diagram ..................................8 Figure 3. 32-Pin PLCC Diagram .................................8 Figure 4. 48-Pin MLCC Diagram .................................9 Figure 5. Basic Test Circuit (3 REN Configuration) ..22 Figure 6. Metallic PSRR ...........................................23 ...
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Low-Cost Ringing SLIC Features Onboard balanced trapezoidal ringing generation, 40 Vrms, 1.2 crest factor: — 3 REN ring load (2330 + 24 F), 600 — 2 REN ring load (3500 + 16 F), 1000 — 2 REN ring load (3500 ...
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October 2001 Description (continued) Forward and reverse battery active modes are used for off-hook conditions. Since this device is designed for short- and medium-loop applications, the lower-voltage V is normally applied during the forward and BAT2 reverse active states. Battery ...
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Low-Cost Ringing SLIC Description (continued) Longitudinal balance is consistent with European ETSI and North American GR-909 requirements. Specifica- tions are given in Table 10. Data control is via a parallel unlatched control scheme. The dc current limit is programmable in ...
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October 2001 Architecture Diagram I REF VITR X20 AAC REFERENCE CIRCUIT TXI ITR – (ITR/308) VTX AX V REF + RFT PT 18 ITR TIP/RING CURRENT SENSE ITR RFR PR 18 Agere Systems Inc. AGND V BGND ...
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Low-Cost Ringing SLIC Pin Information RCVN DCOUT I PROG CF2 CF1 RTFLT 8 NSTAT 1 VITR 2 RCVP 3 RCVN 4 DCOUT PROG CF2 7 L9214 28-PIN SOG CF1 8 RTFLT REF AGND 11 ...
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October 2001 Pin Information (continued DCOUT I PROG NC CF2 CF1 NC RTFLT Agere Systems Inc L9214A/G 48-PIN MLCC ...
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Low-Cost Ringing SLIC Pin Information (continued) Table 1. Pin Descriptions 28-Pin 32-Pin 48-Pin SOG PLCC MLCC — — 5, 14, 18, 28, 32, 39, 42, 44 — 1—4, 8, 11, 17, 21, 27, ...
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October 2001 Pin Information (continued) Table 1. Pin Descriptions (continued) 28-Pin 32-Pin 48-Pin SOG PLCC MLCC ...
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Low-Cost Ringing SLIC Operating States Table 2. Control States ...
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October 2001 State Definitions (continued) Reverse Active (Fast Polarity Reversal) Off-hook Pin PR is positive with respect to PT applied to tip/ring drive amplifiers via the soft BAT2 battery switch for the majority of loop lengths. This may ...
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Low-Cost Ringing SLIC 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 these or any ...
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October 2001 Electrical Characteristics Table 5. Environmental Characteristics Temperature Range (28-pin SOG) Temperature Range (32-pin PLCC and 48-pin MLCC) 1 Humidity Range 1. Not to exceed 26 grams of water per kilogram of dry air. Table 6. 5.0 V Supply ...
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Low-Cost Ringing SLIC Electrical Characteristics Table 8. 3.3 V Supply Currents V = – – BAT1 BAT2 CC Parameter Supply Currents (scan state; no loop current): I VCC I VBAT1 I VBAT2 Supply Currents (forward/reverse ...
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October 2001 Electrical Characteristics Table 10. Two-Wire Port Tip or Ring Drive Current = dc + Longitudinal + Signal Currents Tip or Ring Drive Current = Ringing + Longitudinal Signal Current Longitudinal Current Capability per Wire (Longitudinal current is indepen- ...
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Low-Cost Ringing SLIC Electrical Characteristics Table 11. Analog Pin Characteristics Parameter TXI (input impedance) Output Offset (VTX) Output Offset (VITR) Output Drive Current (VTX) Output Drive Current (VITR) Output Voltage Swing (VTX Output Voltage Swing (VITR ...
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October 2001 Electrical Characteristics Table 12. ac Feed Characteristics Parameter 1 ac Termination Impedance Total Harmonic Distortion (200 Hz—4 kHz) Off-hook On-hook Transmit Gain (f = 1004 Hz, 1020 Hz) PT/PR Current to VITR 4 Receive Gain (f = 1004 ...
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Low-Cost Ringing SLIC Electrical Characteristics Table 13. Logic Inputs and Outputs (V Parameter Input Voltages: Low Level High Level Input Current: Low Level ( High Level ( ...
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October 2001 Electrical Characteristics Table 16. Ring Trip (3 REN Configuration) Parameter Ring Trip (NSTAT = 0): Loop Resistance (total) Ring Trip (NSTAT = 1): Loop Resistance (total) Ringer Load Trip Time ( Hz) Ringing will not be ...
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Low-Cost Ringing SLIC Test Configurations 133 RTFLT 75 k DCOUT 5. PROG I REF 28 TIP PR R LOOP 100 600 30 RING PT 0.047 F FB2 0.047 F FB1 CF1 0.47 F ...
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October 2001 Test Configurations (continued BAT 100 DISCONNECT BYPASS CAPACITOR 4 BAT V CC TIP + BASIC TEST CIRCUIT 600 V T/R – RING PSRR = 20log V Figure 6. Metallic PSRR ...
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Low-Cost Ringing SLIC Applications Power Control Under normal device operating conditions, power dissi- pation must be controlled to prevent the device temper- ature from rising too close to the thermal shutdown point. Power dissipation is highest with higher battery voltages, ...
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October 2001 Applications (continued) dc Loop Current Limit In the active modes, dc current limit is programmable via an external resistor. The resistor is connected between I and DCOUT. The loop current limit PROG (I ) with 100 load is ...
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Low-Cost Ringing SLIC Applications (continued) Overhead Voltage (continued) Ring Mode In the ring mode, to maximize ringing loop length, the overhead is decreased to the saturation of the tip ring drive amplifiers, a nominal 4 V. The tip to ground ...
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October 2001 Supervision The L9214 offers the loop closure and ring trip supervi- sion functions. Internal to the device, the outputs of these detectors are multiplexed into a single package output, NSTAT. Additionally, a common-mode current detector for tip or ...
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Low-Cost Ringing SLIC Supervision (continued) Power Ring (continued) The ring signal will appear balanced on tip and ring. That is, the ring signal is applied on both tip and ring, with the signal on tip 180 out of phase from ...
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October 2001 Periodic Pulse Metering (PPM) Periodic pulse metering (PPM), also referred to as tele- tax (TTX), is applied to the audio input of the L9214. When in the active state, this signal is presented to the tip/ring subscriber loop ...
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Low-Cost Ringing SLIC ac Applications (continued) ac Interface Network (continued) In the receive direction, in order to control echo, the gain is typically a loss, which requires a loss network at the SLIC RCVN/RCVP inputs, which will reduce the amount ...
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October 2001 ac Applications (continued) Design Examples (continued) Example 1, Real Termination The following design equations refer to the circuit in Figure 13. Use these to synthesize real termination impedance. Termination Impedance ------------ T I – ...
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Low-Cost Ringing SLIC ac Applications (continued) Design Examples (continued) Example 1, Real Termination (continued BAT1 BAT2 RT1 VBAT1 VBAT2 100 k D 0.1 F 0.1 F BAT1 BGND V BAT1 BAT2 1 ...
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October 2001 ac Applications (continued) Design Examples (continued) Example 1, Real Termination (continued) Table 20. L9214 Parts List for Agere T7504 First-Generation Codec; Resistive Termination Name Value Tolerance Fault Protection Protector Agere ...
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Low-Cost Ringing SLIC ac Applications (continued) Design Examples (continued) First-Generation Codec ac Interface Network— Complex Termination The following reference circuit shows the complete SLIC schematic for interface to the Agere T7504 first- generation codec for the German complex termination impedance. ...
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October 2001 ac Applications (continued) Design Examples (continued) ac Interface Using First-Generation Codec (continued) R TGS R = 4750 GX –I T/R 318.25 RCVN RCVP Figure 15. Interface Circuit Using First-Generation Codec (Blocking Capacitors Not Shown) Transmit Gain Transmit gain ...
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Low-Cost Ringing SLIC ac Applications (continued) Design Examples (continued) ac Interface Using First-Generation Codec (contin- ued) Receive Gain Ratios will set both the low-frequency RCV T3 GP termination and receive gain for the complex ...
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October 2001 ac Applications (continued) Design Examples (continued) ac Interface Using First-Generation Codec (continued) Blocking Capacitors R TGS R = 4750 GX –I T/R 318.25 RCVN RCVP Figure 16. ac Interface Using First-Generation Codec (Including Blocking Capacitors) for Complex Termination ...
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Low-Cost Ringing SLIC ac Applications (continued) Design Examples (continued) ac Interface Using First-Generation Codec (continued) R PWR 2 BAT1 C C VBAT1 VBAT2 R RT1 133 k D 0.1 F 0.1 F BAT1 C V BGND RT BAT1 ...
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October 2001 Applications (continued) Design Examples (continued) ac Interface Using First-Generation Codec (continued) Table 21. L9214 Parts List for Agere T7504 First-Generation Codec; Complex Termination with Power Con- trol Resistor (continued) Name Value Tolerance Power Supply C 0.1 F 20% ...
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Low-Cost Ringing SLIC ac Applications (continued) Design Examples (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 codec. All ac parameters are programmed by the ...
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October 2001 ac Applications (continued) Design Examples (continued) Third-Generation Codec ac Interface Network—Complex Termination (continued) Table 22. L9214 Parts List for Agere T8536 Third-Generation Codec Meter Pulse Application ac and dc Parameters; Fully Programmable Name Value Tolerance Fault Protection R ...
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Low-Cost Ringing SLIC Outline Diagrams 28-Pin SOG Note: The dimensions in these outline diagrams are intended for informational purposes only. For detailed draw- ings to assist your design efforts, please contact your Agere Sales Representative PIN #1 ...
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October 2001 Outline Diagrams (continued) 32-Pin PLCC Note: The dimensions in this outline diagram are intended for informational purposes only. For detailed schemat- ics to assist your design efforts, please contact your Agere Sales Representative Agere ...
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Low-Cost Ringing SLIC Outline Diagrams (continued) 48-Pin MLCC Dimensions are in millimeters. Notes: The dimensions in this outline diagram are intended for informational purposes only. For detailed schemat- ics to assist your design efforts, please contact your Agere Sales Representative. ...
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October 2001 Outline Diagrams (continued) 48-Pin MLCC, JEDEC MO-220 VKKD-2 Dimensions are in millimeters. Notes: The dimensions in this outline diagram are intended for informational purposes only. For detailed schemat- ics to assist your design efforts, please contact your Agere ...
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... Low-Cost Ringing SLIC Ordering Information Device Part No. Description LUCL9214AAJ-D SLIC Gain = 8 LUCL9214AAJ-DT SLIC Gain = 8 LUCL9214AAU-D SLIC Gain = 8 LUCL9214AAU-DT SLIC Gain = 8 LUCL9214ARG-D SLIC Gain = 8 LUCL9214ARG-DT SLIC Gain = 8 LUCL9214GAJ-D SLIC Gain = 2 LUCL9214GAJ-DT SLIC Gain = 2 LUCL9214GAU-D SLIC Gain = 2 LUCL9214GAU-DT SLIC Gain = 2 LUCL9214GRG-D SLIC Gain = 2 ...