BM63 datasheet(41/56 Pages) MICROCHIP

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Advance Information

DS60001431A-Page 41

BM63

Note 1:

Test condition: BK_O = 1.8V with temperature +25 ºC.

These parameters are characterized but not tested in manufacturing.

Note 1:

fin = 1 kHz, B/W = 20~20 kHz, A-weighted, THD+N < 1%, 150 mVpp input.

These parameters are characterized but not tested in manufacturing.

TABLE 8-4:

LED DRIVER(1,2)

Parameter

Min.

Typical

Max.

Unit

Open-drain Voltage

–

3.6

Programmable Current Range

–

5.25

Intensity Control

–

step

Current Step

–

0.35

–

Power Down Open-drain Current

–

μA

Shutdown Current

–

μA

TABLE 8-5:

AUDIO CODEC ANALOG TO DIGITAL CONVERTER(2)

T = 25 oC, VDD = 2.8V, 1 kHz sine wave input, Bandwidth = 20 Hz~20 kHz

Parameter (Condition)

Min.

Typical

Max.

Unit

Resolution

–

Bit

Output Sample Rate

–

kHz

Signal to Noise Ratio (Note 1)

(SNR at MIC or Line-in mode)

–92

–

Digital Gain

-54

–

4.85

Digital Gain Resolution

–

2~6

–

MIC Boost Gain

–

Analog Gain

–

Analog Gain Resolution

–

2.0

–

Input full-scale at maximum gain (differential)

–

mV/rms

Input full-scale at minimum gain (differential)

–

800

–

mV/rms

3 dB bandwidth

–

kHz

Microphone mode (input impedance)

–

kOhm

THD+N (microphone input) at 30 mV/rms input

–

0.02

–

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