SC14WAMDECT datasheet(20/37 Pages) RENESAS

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Datasheet

Revision 3.1

05-Jan-2022

CFR0011-120-00-FM Rev 5

20 of 36

SC14WAMDECT SF

Wireless Audio Module

FINAL

Note 16: 0 dBm0 on CIN = -3.14 dB of max PCM value.

Table 19: VREFp load circuit

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNIT

Cload_vrefp

VREFp (parasitic) load

capacitance

Iout_vrefp

VREFp output current

1mA

Figure 8: VREFp load circuit

Cload_vrefp

VREFp

VREFm

Iout_vrefp

Rout_vrefp

Table 20: LSRp/LSRn outputs

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNIT

Vlsr_0dB_unt

Untrimmed differen-

tial RMS output volt-

age between LSRp

and LSRn in audio

mode (0 dBm0 refer-

ence level)

0 dBm0 on CIN (Note 16),

LSRATT[2:0] = 001,

@ 1020 Hz Load circuit A (see

Figure 9, Table 21) with RL1=

 , Cp1 or load circuit B (see

Figure 10) with RL2, Cp2 and

Cs2

Tolerance:

• 13% when untrimmed

(BANDGAP_REG=8)

• 6% when trimmed

(Note 14)

621

714

807

Rout_lsr

Resistance of acti-

vated loudspeaker

amplifier outputs

LSRp and LSRn



Vlsr_dc

DC offset between

LSRp and LSRn

(Note 6)

LSRATT[2:0] = 3

RL1 = 28 

3 sigma deviation limits

-20

Table 21: LSRp/LSRn load circuits

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNIT

Cp1_Rl1_inf

Load capacitance

see Figure 9, RL1 = 

Cp1_Rl1_1k

Load capacitance

see Figure 9, RL1 1 k

100

Rl1

Load resistance



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