Features: . 3.3V Operation. Onboard Ringing Generation. Low Standby Power Consumption (75V, 65mW). Programmable Transient Current Limit. Improved Off Hook Software Interface. Integrated MTU DC Characteristics. Low External Component Count. Silent Polarity Reversal. Pulse Metering and On Hook Trans...
ISL5585: Features: . 3.3V Operation. Onboard Ringing Generation. Low Standby Power Consumption (75V, 65mW). Programmable Transient Current Limit. Improved Off Hook Software Interface. Integrated MTU DC Chara...
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DescriptionThe ISL51002 3-channel, 10-bit Analog Front End (AFE) contains all the functionality ne...
DescriptionThe ISL51002 3-channel, 10-bit Analog Front End (AFE) contains all the functionality ne...
. Short Loop Access Platforms
. Voice Over Internet Protocol (VoIP)
. Voice Over Cable and DSL Modems
. Internet Protocol PBX
. FiberTo The Home (FTTH)
. Remote Subscriber Units
. Ethernet Terminal Adapters
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNITS |
RINGING PARAMETERS | |||||
VRS | Input Impedance (Note 3) | 450 | - | - | kΩ |
Differential Ringing Gain (Note 4) | Balanced Ringing, VRS to 2-Wire, RLOAD= | 78 | 80 | 82 | V/V |
Unbalanced Ringing, VRS to 2-Wire, RLOAD= | 38 | 40 | 42 | V/V | |
Centering Voltage Accuracy | Tip, Referenced to VBH/2 + 0.5 (Note 9) | - | ±2.5 | - | V |
Ring, Referenced to VBH/2 + 0.5 | - | ±2.5 | - | V | |
Open Circuit Ringing Voltage | Balanced Ringing, VRS Input=0.840VRMS | - | 67 | - | VRMS |
Unbalanced Ringing, VRS Input=0.840VRMS | - | 33.5 | - | VRMS | |
Ringing Voltage Total Distortion | RL=1.3 kΩ, VT-R=|VBH| -5 | - | - | 4.0 | % |
4-Wire to 2-Wire Ringing Off Isolation | Active Mode, Referenced to VRS Input | - | 90 | - | dB |
2-Wire to 4-Wire Transmit Isolation | Ringing Mode Referenced to the Differential Ringing Amplitude |
- | 80 | - | dB |
AC TRANSMISSION PARAMETERS | |||||
Auxiliary Input Impedance (Note 3) | 160 | - | - | kΩ | |
Transmit Output Impedance (Note 3) | - | - | 1 | Ω | |
4-Wire Port Overload Level | THD=1% | - | 1.0 | - | KVP |
2-Wire Port Overload Level | THD=1% | 3.1 | 3.5 | - | VPK |