ISL5586 Intersil Corporation, ISL5586 Datasheet
ISL5586
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ISL5586 Summary of contents
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... Low Power Ringing SLIC for Home Gateways Chip, with on-board voiceband codecs, or other 3.3V voiceband codec devices. The ISL5586 provides on board ringing signal generation up to 95V peak supporting sinusoidal or trapezoidal waveshapes with DC offset. Loop start and ground start trunks are supported, and an open circuit DC voltage of less ...
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... Internal loop back mode which connects internal load across Tip and Ring terminals. 0 SHD Signalling mode sets Tip to high impedance state, Ring output still active. 1 n/a Loop disconnect mode which forces both Tip and Ring to high impedance. ISL5586 (PLCC) TOP VIEW ...
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Absolute Maximum Ratings T A Maximum Supply Voltages ...
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Electrical Specifications Unless Otherwise Specified, T AGND = BGND = 0V, loop current limit = 25mA. All AC Parameters are specified at 600Ω, 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0Ω. These parameters ...
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Electrical Specifications Unless Otherwise Specified, T AGND = BGND = 0V, loop current limit = 25mA. All AC Parameters are specified at 600Ω, 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0Ω. These parameters ...
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Electrical Specifications Unless Otherwise Specified, T AGND = BGND = 0V, loop current limit = 25mA. All AC Parameters are specified at 600Ω, 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0Ω. These parameters ...
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RP1 – – RP2 + 4-WIRE TO 2-WIRE GAIN The 4-wire to 2-wire gain ( defined as the receive 42 gain function of the terminating impedance, synthesized ...
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To allow for proper ring trip operation, the transient current limit setting should be set at least 25% higher than the peak ring trip current setting. Setting the transient current 25% higher should account for programming tolerances of both the ...
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The quiescent current terms are specified in the electrical tables for each operating mode. Load power dissipation is not a factor since this hook mode. Some applications may specify a standby current. The standby current may be ...
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LIM 2R (Ω LOOP FIGURE 6. I VERSUS R LOAD CHARACTERISTIC LOOP LOOP The slope of the feed characteristic and the battery voltage define the maximum loop current on the shortest possible loop as the ...
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I 1 75kΩ FIGURE 7. REVERSAL TIMING CONTROL Power Dissipation The power dissipation equations for forward active operation also apply to the reverse active mode. Ringing Overview The Ringing mode (RNG, 100) provides linear amplification to support a ...
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The terms t and t represent the cadence. The ringing R S interval is t and the silent interval ratio 1: The quiescent power of the device in the Ringing mode is ...
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... In this case the external diode is not needed and the decoupling capacitor may be attached directly to V pin supply lead. In the BH 0.22µ 0.22µ ISL5586 FIGURE 10. ALTERNATE DECOUPLING SCHEME pin will degrade the reliability of the BH and V are tied together the battery switch function TIP - + 1 ...
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Impedance and Gain Derivations The feedback mechanism for monitoring the AC portion of the loop current consists of two amplifiers, the sense amplifier (SA) and the transmit amplifier (TA). The AC feedback signal is used for impedance synthesis. A detailed ...
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FIGURE 12. SCHEMATIC FOR 4-WIRE TO 2-WIRE GAIN DERIVATION Note that in Figure 13 referenced on the line side of the TR protection resistors. On the 2-wire side, ...
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Equations 48 and 60 can be combined to re-write the 4-wire to 4-wire gain equation. TX4W L 0 × ------------------- - = – 2.8 ----------------------------------------- - ------ V ...
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Pin Descriptions PLCC SYMBOL 1 TIP TIP Power Amplifier Output. 2 BGND Battery Ground - To be connected to zero potential. All loop current and longitudinal current flow from this ground. Internally separate from AGND and SGND but should be ...
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SLIC_CTRL4 SLIC_CTRL3 SLIC_CTRL2 SLIC_CTRL1 SLIC_CTRL0 ...
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... PEAK the ISL5586 to the CMLEVEL of the BCM3352. Lastly, the external network attenuates the signal levels coming from the ISL5586. The ISL5586 is designed with a 2-wire to 4- wire gain of 0dB and a 4-wire to 4-wire gain of +2.98dB. Ringing Interface The ISL5586 only passes the ringing signal on VRSP, VRSM to Tip and ring only during the ringing mode ...
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... Intersil Corporation’s quality certifications can be viewed at website www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. How- ever, no responsibility is assumed by Intersil or its subsidiaries for its use ...