Novatel HS 3001, Integration Manual

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Handset Microphone Input (PINS 65, 67)
Parameter Test Conditions Min Typ Max Units Notes
Full scale input
voltage voltage across either MIC 1P and MIC1N, MIC2P and
MIC2N 0.89 1.00 1.12 Vrms ± 1dB level error
Input impendence Difference input impedance 16 20 24 kΩ
Input impendence Single ended input impedance 8 10 12 kΩ
Input offset voltage 5 5 mV
Input capacitance At each pin of all inputs 5 pF
Handset Microphone BIAS Output (PINS 53, 63)
Parameter Comments Min Typ Max Units
MIC bias output voltage 1.8 V
MIC bias output current 1.5 mA
MIC bias voltage accuracy Minimum load -3 +3 %
MIC bias output voltage load regulation 30 Ω
Handset Speaker Output (PINS 71, 73)
Parameter Test Conditions Min Typ Max Units Notes
DAC to
EAROP/EARON full-
scale output f = 1.02 Hz, 0
dBm 1.11 1.25 1.40 Vrms ± 1 dB level error
EAROP/EARON
output power, 4%
or less THD+N f = 498 Hz, 0 dBm 38.5 48.8 61.3 mW 22 to 20 kHz
measurement BW
Output DC level,
EAR1OP and
EAR1ON with
respect to VSS Input = .999 dBm 1.03 1.05 1.07 V
Headset Microphone Input (PIN 55)
Parameter Test Conditions Min Typ Max Units Notes
Full scale input voltage voltage across pin 55 and ground 0.89 1.00 1.12 Vrms ± 1dB level error
Input impendence Single ended input impedance 8 10 12 kΩ
Input offset voltage 5 5 mV
Input capacitance At each pin of all inputs 5 pF