BM63 datasheet(42/56 Pages) MICROCHIP

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BM63

DS60001431A-Page 42

Advance Information

 2016 Microchip Technology Inc.

Note 1:

fin = 1 kHz, B/W = 20~20 kHz, A-weighted, THD+N < 0.01%, 0dBFS signal, Load = 100 kOhm

fin = 1 kHz, B/W = 20~20 kHz, A-weighted, -1dBFS signal, Load =16 Ohm

fin = 1 kHz, B/W = 20~20 kHz, A-weighted, THD+N < 0.05%, 0dBFS signal, Load = 16 Ohm

These parameters are characterized but not tested in manufacturing.

Note 1:

The RF Tx power is modulation value.

The RF Transmit power is calibrated during the production using the MP tool and MT8852 Bluetooth Test

equipment.

Test condition: VCC_RF = 1.28V, temperature +25 ºC.

TABLE 8-6:

AUDIO CODEC DIGITAL TO ANALOG CONVERTER(4)

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

Parameter (Condition)

Min.

Typical

Max.

Unit

Over-sampling rate

–

128

–

Resolution

–

Bit

Output Sample Rate

–

kHz

Signal to Noise Ratio (Note 1)

(SNR at capless mode) for 48 kHz

–98

–

Signal to Noise Ratio (Note 1)

(SNR at single-ended mode) for 48 kHz

–98

–

Digital Gain

-54

–

4.85

Digital Gain Resolution

–

2~6

–

Analog Gain

-28

–

Analog Gain Resolution

–

Output Voltage Full-scale Swing (AVDD = 2.8V)

495

742.5

–

mV/rms

Maximum Output Power (16 Ohm load)

–

34.5

–

Maximum Output Power (32 Ohm load)

–

17.2

–

Allowed Load

Resistive

–

O.C.

Ohm

Capacitive

–

500

THD+N (16 Ohm load) (Note 2)

–0.05

–

Signal to Noise Ratio (SNR at 16 Ohm load) (Note 3)

–98

–

TABLE 8-7:

TRANSMITTER SECTION FOR BDR AND EDR(1,2,3)

Parameter

Min.

Typical

Max.

Bluetooth

specification

Unit

Maximum RF transmit power

–

–-6 to 4

dBm

EDR/BDR Relative transmit power

-4

-1.8

-4 to 1

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