AM79574-1JC Advanced Micro Devices, AM79574-1JC Datasheet
AM79574-1JC
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AM79574-1JC Summary of contents
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... B(RING VREG L VBAT BGND Notes: 1. Am79574—E0 and E1 inputs; ring and test relay drivers sourced internally to BGND. 2. Output amplifier current gain ( 1000. 1 Ground-key detect option available Two-wire impedance set by single external impedance Polarity reversal feature Tip Open state for ground-start lines ...
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... Valid Combinations list configurations planned to be supported in volume for this device. Consult the local AMD sales office to confirm availability JC of specific valid combinations, to check on newly released combinations, and to obtain additional data on AMD’s standard military grade products. Am79574 Data Sheet Valid Combinations ...
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CONNECTION DIAGRAM Top View TESTOUT VBAT QBAT CHS CHCLK Notes: 1. Pin 1 is marked for orientation thermal conduction pin tied to substrate (QBAT ...
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... Regulated voltage. Provides negative power supply for power amplifiers, connection point for inductor, filter capacitor, and chopper stabilization. VTX Output Transmit Audio. Unity gain version of the A(TIP) and B(RING) metallic voltage. VTX also sources the two-wire input impedance programming network. 4 Description is negative for normal polarity and positive RDC Am79574 Data Sheet ...
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ABSOLUTE MAXIMUM RATINGS Storage temperature ......................... – +150 C V with respect to AGND/DGND...... –0 +7 with respect to AGND/DGND ...... +0 –7 with respect to AGND/DGND ..... ...
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... Test Conditions (See Note 1) Min –35 –1* –30 –40 –1 –35 –3.1 –1* –2* –2 –2* –2 –1* –0.15 –0.20 –1* –0.1 –0.15 –0.1 –0.15 –0.1 –0.15 Am79574 Data Sheet Typ Max Unit 3 +35 +30 mV +40 + +3.1 Vpk ...
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ELECTRICAL CHARACTERISTICS (continued) Description Balance Return Signal (4- to 4-Wire, See Test Circuit B) Gain accuracy 0 dBm, 1 kHz + dBm, 1 kHz, – + dBm, 1 kHz ...
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... Input Low current 8 Test Conditions (See Note 1) –1* –1* –1* = 600 = 600 = 50 mVrms) –1* –1* –1* –1* –1* –1* = 365/R Nominal Am79574 Data Sheet Min Typ Max Unit 35 120 35 80 135 250 135 200 mW 200 400 200 300 500 ...
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ELECTRICAL CHARACTERISTICS (continued) Description Logic Output (DET) Output Low voltage I OUT Output High voltage I OUT Relay Driver Outputs (RINGOUT, TESTOUT) On voltage 50 mA source Off leakage Clamp voltage 50 mA sink RELAY DRIVER SCHEMATICS BGND Q BAT ...
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... This specification assumes that the two-wire AC load impedance and metallic impedance of 300 BAT series resistors connected between A(TIP) and B(RING). R FEED R FEED Am79574 Data Sheet tgkde tshde tgkdd tgkd0 = – 600 , resistive. (See Table 2 for component formulas.) for frequencies below – ...
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Assumes the following Z network: T VTX 300 k 300 12. Tested with 0 source impedance specified for system design purposes only. 13. Group delay can be considerably reduced by using a Z ...
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... V – 12.538 AB BAT = 0.377 V + 20.48 BAT V = 39. ------------ - V = 39.39 I – 118 --------- - = 0.377 V + 20.48 I – AB BAT L 200 2500 ----------- - 2500 ----------- - Voltage vs. Loop Current (Typical Am79574 Data Sheet 1 7 Active state OHT state 50.2 V BAT 50.2 V BAT ...
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DC FEED CHARACTERISTICS (continued –47.3 V BAT Loop Current vs. Load Resistance (Typical RSN SLIC RDC B Feed resistance programmed by R DC1 c. Feed ...
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... Z is the desired impedance (e.g., the / characteristic impedance of the line –20 log ( Two-Wire Return Loss Test Circuit Am79574 Data Sheet VTX A(TIP) SLIC R T AGND R RX RSN B (RING –20 log ( L4 BRS = 20 log (V ...
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TEST CIRCUITS (continued IDC << Single-Frequency Noise V CC A(TIP 600 L B(RING) G. Loop-Detector Switching A(TIP) S SLIC B(RING) 6.2 k DET SLIC Products ...
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PHYSICAL DIMENSION PL032 .485 .495 .447 .453 .585 Pin 1 I.D. .595 .547 .553 .026 .032 TOP VIEW REVISION SUMMARY Revision B to Revision C • Minor changes were made to the data sheet style and format to conform to ...
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... The contents of this document are provided in connection with Advanced Micro Devices, Inc. ("AMD") products. AMD makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make changes to speci- fications and product descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any in- tellectual property rights is granted by this publication. Except as set forth in AMD’ ...