LUCL7590CAE-D AGERE [Agere Systems], LUCL7590CAE-D Datasheet
LUCL7590CAE-D
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LUCL7590CAE-D Summary of contents
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June 1998 Features Applies a battery-backed, single-ended, sinusoidal ringing signal to the telephone loop Ringing capability: — 40 Vrms into 5 North American REN — 30 mApeak into 4 German REN Built-in current limiting Low power dissipation in idle and ...
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L7590C Telephone Ringing Driver Pin Information Pin Symbol Type 14 V — Power Supply GNDD — Digital Ground. 12 GNDR — Ringing Ground — Negative Power Supply. Determines the swing of the ringing generator. ...
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Data Sheet June 1998 Recommended Operating Conditions Parameter Ambient Temperature V Supply Voltage DD V Supply Voltage NEG Electrical Characteristics Electrical characteristics apply for 25 C. Unless noted, V (Rdc = 20 , Ceff = 20 pF), CLK = 100 ...
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L7590C Telephone Ringing Driver Functional Description Ringer Requirements This discussion highlights some of the requirements in the United States and Germany. Beginning with the telephone set ringer to be powered, the United States requires 40 Vrms to be delivered to ...
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Data Sheet June 1998 Application TIP RING GNDD DD EN CLK L7590C PWM RINGING SIGNAL GENERATOR V REF connects to V pin at chip. NEG NEG Figure 2. Basic Battery-Backed Ringing Application ...
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L7590C Telephone Ringing Driver Application (continued) A. Upper = PWM Signal Centered at 100 kHz Lower = Modulating Signal 6 12-3381 (F) B. Same as A but Expanded Figure 3. Modulation Waveforms Data Sheet June 1998 12-3380 (F) Lucent Technologies ...
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Data Sheet June 1998 Application (continued) A. Upper = 10% Duty Cycle—CLK Input Lower = L7590C Output Note: For all three illustrations above, the positive portion of the L7590C output is skewed to be greater than the CLK input. Lucent ...
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L7590C Telephone Ringing Driver Application (continued) HP 8116A PULSE/FUNCTION GENERATOR 100 kHz RATE SIGNAL LEVEL = 100 kHz (PWM) Notes THD % = ...
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Data Sheet June 1998 Outline Diagram 16-Pin, Plastic SOG Dimensions are in millimeters PIN #1 IDENTIFIER ZONE 1.27 TYP Number Maximum of Pins Length (N) (L) 16 10.49 Lucent Technologies Inc SEATING PLANE 0.10 0.51 ...
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... L7590C Telephone Ringing Driver Ordering Information Device Part No. LUCL7590CAE-D Telephone Ringing Driver LUCL7590CAE-DT Telephone Ringing Driver For additional information, contact your Microelectronics Group Account Manager or the following: INTERNET: http://www.lucent.com/micro E-MAIL: docmaster@micro.lucent.com N. AMERICA: Microelectronics Group, Lucent Technologies Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18103 1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106) ASIA PACIFIC: Microelectronics Group, Lucent Technologies Singapore Pte ...