ISL5585CIM Intersil Corporation, ISL5585CIM Datasheet
ISL5585CIM
Related parts for ISL5585CIM
ISL5585CIM Summary of contents
Page 1
Data Sheet 3.3V Ringing SLIC Family for Voice Over Broadband (VOB) The 3.3V family of ringing subscriber line interface circuits (SLIC) supports analog Plain Old Telephone Service (POTS) in short and medium loop length, wireless and wireline voice over ...
Page 2
... PART NUMBER 100V 85V • ISL5585AIM • ISL5585AIMZ (See Note) • ISL5585BIM • ISL5585BIMZ (See Note) • ISL5585CIM • ISL5585CIMZ (See Note) • ISL5585DIM • ISL5585DIMZ (See Note) ISL5585ECM ISL5585ECMZ (See Note) ISL5585ECR ISL5585ECRZ (See Note) ISL5585FCM ISL5585FCMZ (See Note) ISL5585FCR ...
Page 3
Device Operating Modes MODE Low Power Standby Forward Active Unbalanced Ringing Reverse Active Ringing Forward Loop Back Tip Open ...
Page 4
Pin Description (Continued) PLCC QFN SYMBOL Mode control input Detector Output Selection Input. This TTL input controls the multiplexing of the SHD ( and GKD ( comparator outputs to the ...
Page 5
Absolute Maximum Ratings T = 25°C A Maximum Supply Voltages ...
Page 6
Electrical Specifications Unless Otherwise Specified, T grade transmission parameters are specified at 600W 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0W. (Continued) PARAMETER 2-Wire Return Loss 2-Wire Longitudinal Balance (Notes 5, ...
Page 7
Electrical Specifications Unless Otherwise Specified, T grade transmission parameters are specified at 600W 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0W. (Continued) PARAMETER LOOP DETECTORS AND SUPERVISORY FUNCTIONS Switch Hook Programming ...
Page 8
Electrical Specifications Unless Otherwise Specified, T grade transmission parameters are specified at 600W 2-wire terminating impedance over the frequency band of 300Hz to 3.4kHz. Protection resistors = 0W. (Continued) PARAMETER Power Denial, BSEL HOOK POWER ...
Page 9
Design Equations Switch Hook Detect The switch hook detect threshold is set by a single external resistor Equation 1 is used to calculate the value ⁄ 600 The term I ...
Page 10
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 ...
Page 11
The gain of the Transmit Amplifier, set by R the programmed impedance of the device. The capacitor C blocks the DC component of the loop current. The FB ground symbols in the model represent AC grounds, not actual DC potentials. ...
Page 12
Complex Impedance Synthesis Substituting the impedance programming resistor, R complex programming network provides complex impedance synthesis. 2-WIRE NETWORK Series R 2 FIGURE 5. COMPLEX PROGRAMMING NETWORK The reference designators in the programming network match the ...
Page 13
Substituting Equation 19 into Equation 17 (V defining ∆ results in Equation 37 for VTX – ----------- - ----------------------- - Combining Equations ...
Page 14
SIDE - TIP SENSE 20Ω SENSE 20Ω RING ...
Page 15
Low Power Standby Overview The low power standby mode (LPS, 000) should be used during idle line conditions. The device is designed to operate from the high battery during this mode. Most of the internal circuitry is powered down, resulting ...
Page 16
Most applications do not specify charging current requirements during standby. When specified, the typical charging current may be as high as 5mA. Forward Active Overview The forward active mode (FA, 001) is the primary AC transmission mode of the device. ...
Page 17
If the loop length is greater than R KNEE operating in the constant voltage, resistive feed region. The power dissipated in this region is calculated using Equation 53 – ...
Page 18
When the input signal at VRS is zero, the Tip and Ring amplifier outputs are centered at half battery. The device provides auto centering for easy implementation of sinusoidal ringing waveforms. Both AC and DC control of the Tip and ...
Page 19
When the forward loop back mode is initiated internal switches connect a 600Ω load across the outputs of the Tip and Ring amplifiers. TIP 600Ω RING FIGURE 13. FORWARD LOOP BACK INTERNAL TERMINATION 19 ISL5585 DC Verification When the internal ...
Page 20
Power Denial Overview The power denial mode (111) will shutdown the entire device except for the logic interface. Loop supervision is not provided. This mode may be used as a sleep mode or to shut down in the presence of ...
Page 21
RELAY SW+ SW- FIGURE 15. EXTERNAL RELAY SWITCHING Since the device provides the ringing waveform, the relay functions which may be supported ...
Page 22
C PS1 C PS2 C PS3 R P1 VCC VBL VBH 49.9Ω AUX TIP + 600Ω VTX - 49.9Ω RING C RT -IN ISL5585 VFB CDC R IL ...
Page 23
Quad Flat No-Lead Plastic Package (QFN) Micro Lead Frame Plastic Package (MLFP D INDEX AREA AREA TOP VIEW 0. ...
Page 24
... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software 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. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...