Ehong EH-MB18, Руководство пользователя

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Bluetooth Audio Module
Ehong Technology Co., Ltd
Table 4: Digital Terminal
4.4.2. USB
Min Type Max Unit
VDD_USB for correct USB operation 3.10 3.30 3.60 V
Input Threshold
VIL input logic level low
- -
0.30 x
VDD_US
B
V
VIH input logic level high 0.70 x
VDD_US
B
- - V
Input Leakage Current
VSS_DIG < VIN < VDD_USB(a)
-1 1 5 µA
CI input capacitance
2.5 - 10 pF
Output Voltage Levels to Correctly Terminated USB Cable
VOL output logic level low
0 - 0.2 V
VOH output logic level high
2.80 - VDD_USB V
Table 5: USB Terminal
(a)
Internal USB pull-up disable
4.4.3. Internal CODEC Analogue to Digital Converter
Analogue to Digital Converter
Parameter Conditions Min Type Max Unit
Resolution - - - 16 Bits
Input Sample
Rate, Fsample
- 8 - 48 kHz
fin = 1kHz
B/W =
20Hz
→Fsample/
Fsample
8kHz - 93 - dB
16kHz - 92 - dB