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RCV56HCF PCI/CardBus Modem Designer’s Guide
1129
ROCKWELL PROPRIETARY INFORMATION
3-21
Table 3-10. Analog Electrical Characteristics
Name Type Characteristic Value
RXA_L1, I (DA) Input Impedance > 70K
Ω
TELIN_L1 AC Input Voltage Range 1.1 VP-P**
Reference Voltage +2.5 VDC
TXA1_L1 O (DD) Minimum Load 300
Ω
TXA2_L1 Maximum Capacitive Load 0 µF
TELOUT_L1 Output Impedance 10
Ω
AC Output Voltage Range 2.2 VP-P
Reference Voltage +2.5 VDC
DC Offset Voltage ± 200 mV
MIC_M I (DA) Input Impedance > 70K
Ω
MIC_V Maximum AC Input Voltage 1.7 VP-P
Reference Voltage* +2.5 VDC
SPKROUT_M O (DF) Minimum Load 300
Ω
Maximum Capacitive Load 0.01 µF
Output Impedance 10
Ω
AC Output Voltage Range 1.1 VP-P
Reference Voltage +2.5 VDC
DC Offset Voltage ± 20 mV
* Reference Voltage provided internal to the device.
** Corresponds to 2.2 VP-P at Tip and Ring.