Novatel Expedite L10-G, Руководство по интеграции

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Pin Function Description Notes
63 SIM1_DATA SIM data I/O VSIM1
64 SIM1_CLK SIM clock VSIM1
65 SIM1_RST SIM reset VSIM1
66 DAIPCMOUT PCM data out I/O, 2.8V
67 DAICLK PCM clock I/O, 2.8V
68 DAIRST PCM RST I/O, 2.8V
Table 3-1 I/O Connector Pin Assignments
Analog Audio Interface
The Expedite L10-G module provides analog audio interface, include speaker, microphone,
and headset.
Speaker
Pin No. Pin name Description
29 SPK_OUTN speaker amplifier (-) (Analog)
31 SPK_OUTP speaker amplifier (+) (Analog)
Speaker functional specification
Symbol Parameter Min. Typ. Max. Unit
IDC Current consumption 4 mA
SINAD Signal to noise and distortion ratio
Input level: -40 dBm0
Input level: 0 dBm0
29
69
dB
dB
RLOAD Output resistor load (differential) 16 32 Ω
CLOAD Output capacitor load 250 pF
ICN Idle channel noise of transmit path -67 dBm0
XT L-R channel cross talk -66 dBm0
Vout Full Scale output voltage SPK_OUT 0.7 Vrms
Expedite L10-G integrate class-AB audio AMP, the following table is the maximum output
power:
Test Condition
Maximum output
power
SPK_OUTN 0.87W
3.3V, 8 ohm THD+N=1% 0.53W
4.2V, 8 ohm THD+N=10% 1.08W
3.3V, 8 ohm THD+N=10% 0.65W
Speaker reference circuit