LUCL7585FP-D AGERE [Agere Systems], LUCL7585FP-D Datasheet
LUCL7585FP-D
Related parts for LUCL7585FP-D
LUCL7585FP-D Summary of contents
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L7585F Full-Feature, Low-Power SLIC and Switch Features Low active power Quiet tip/ring polarity reversal Distortion-free on-hook transmission power supply operation 14 operating states: — Forward battery active — Reverse battery active — Ground start (3) ...
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L7585F Full-Feature, Low-Power SLIC and Switch Contents Features ......................................................................1 Description...................................................................1 Architectural Diagram ..................................................3 Pin Information ............................................................4 Operating States..........................................................7 Forward Battery Active State ....................................7 Ground Start/Tip Open State ....................................7 Ground Start/Tip Ground State .................................8 Forward Battery Ring Open State .............................8 Ringing ...
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September 2001 Architectural Diagram NCS CLK PARALLEL DATA LATCH AND LOGIC NDET RD FB NRT NLC SW1—SW6 CONTROL SWITCHHOOK DETECTOR + SW1 SW2a TRNG TTI SW3 45 PT SW2 25 SW4 ...
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L7585F Full-Feature, Low-Power SLIC and Switch Pin Information CF1 FB2 FB1 BGND V BAT V BAT V SP NCS CLK NDET DGND ...
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September 2001 Pin Information (continued) Table 1. Pin Descriptions Pin Symbol Type 1 V — Analog dc Supply supply for analog circuitry. CCA 2 LCTH I Loop Closure Threshold Input. Connect a resistor to DC old. ...
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L7585F Full-Feature, Low-Power SLIC and Switch Pin Information (continued) Table 1. Pin Descriptions (continued) Pin Symbol Type 23 RTI I Ring Lead Test-In. Test-in relay connects this pin to PR. Connect RTI to the ring lead of the test-in bus. ...
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September 2001 Operating States The L7585 has 13 operating states. These states are selected using 4 bits, B0—B3, according to the truth table shown in Table 2. The operation of the L7585 is undefined for unassigned states. Additionally, bit B4 ...
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L7585F Full-Feature, Low-Power SLIC and Switch Operating States (continued) Ground Start/Tip Ground State Ground start busy supervision state. Same as ground start/tip open state but with SW1 closed. Forward Battery Ring Open State Tip lead continuity test state (tone injected ...
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September 2001 Operating States (continued) Ground Start/Tip Amplifier State Current limiting is achieved by reducing ring lead voltage only. This state is the same as Ground Start/ Tip Open, but with SW2 and SW2A closed and the tip amplifier powered ...
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L7585F Full-Feature, Low-Power SLIC and Switch 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 ...
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September 2001 Electrical Characteristics Table 6. Battery Feed Characteristics Parameter Tip or Ring Drive Current = dc + Longitudinal + Signal Currents ac Signal Current Longitudinal Current Capability per Wire 2 dc Loop Current Limit (R = 100 LOOP Programmability ...
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L7585F Full-Feature, Low-Power SLIC and Switch Electrical Characteristics Table 7. Analog Signal Pins Parameter DC : OUT Output Offset (no loop current) Output Drive Current Output Voltage Swing (+0.25 mA/–3 mA load): Maximum Minimum Output Short-circuit Current Output Load Resistance ...
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September 2001 Electrical Characteristics Transmit direction is tip/ring to VTX. Receive direction is RCVP(N) to tip/ring. Table 8. Transmission Characteristics Parameter 1 ac Termination Impedance 2 Return Loss : 200 Hz—500 Hz 500 Hz—3400 Hz Total Harmonic Distortion (200 Hz—4 ...
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L7585F Full-Feature, Low-Power SLIC and Switch Electrical Characteristics Table 9. Data Interface and Logic (Logic Inputs [CLK, NCS, and B0—B5] and Outputs [NDET]) Parameter High-level Input Voltage Low-level Input Voltage Input Bias Current (high and low) High-level Output Voltage (I ...
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September 2001 Electrical Characteristics Table 12. Ringing Return Access Switch (SW1) Parameter Off-state: Maximum Differential Voltage dc Leakage Current (V = ±320 Feedthrough Capacitance On-state (See On-State Switch V-I Characteristics section.): Resistance ( Maximum Differential ...
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L7585F Full-Feature, Low-Power SLIC and Switch Electrical Characteristics Table 14. Tip and Ring Break Switches (SW2 and SW4) Parameter Off-state: Maximum Differential Voltage dc Leakage Current (V = ±320 Feedthrough Capacitance On-state (See On-State Switch V-I Characteristics ...
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September 2001 Electrical Characteristics Table 16. Ringing Access Switch (SW5) Parameter Off-state: Maximum Differential Voltage dc Leakage Current (V = ±500 Leakage Current (V = ±250 Feedthrough Capacitance On-state (See On-State Switch V-I Characteristics ...
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L7585F Full-Feature, Low-Power SLIC and Switch Applications Tip/Ring Protection The L7585 SLIC has integrated overvoltage tertiary protection diodes in the tip and ring paths. The device also has an integrated thermal shutdown circuit which places tip/ring drivers in a high-impedance ...
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September 2001 Applications (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 500 , as shown in ...
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L7585F Full-Feature, Low-Power SLIC and Switch Application Diagram +10 V – CVB CVA 0.1 F 0.1 F 100 VSP VBAT BGND VCCA AGND DGND CVD 0.1 F SLIC 0 L7585 VCCD +5 V RELAY ...
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September 2001 Outline Diagram 44-Pin PLCC Dimensions are in millimeters. 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 Communications Sales Representative. PIN ...
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... Device Part No. Description LUCL7585FP-D Full-Feature, Low-Power SLIC and Switch LUCL7585FP-DT Full-Feature, Low-Power SLIC and Switch IEEE is a registered trademark of The Institute of Electrical and Electronics Engineers, Inc. MMC is a trademark of Microelectronic Modules Corporation. For additional information, contact your Agere Systems Account Manager or the following: INTERNET: http://www ...