Rainbow Electronics MAX98088 - Manual (Page 36)

Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
36
Typical Operating Characteristics (continued)
(V AVDD = V PVDD = V DVDD = V DVDDS1 = V DVDDS2 = +1.8V, V SPKLVDD = V SPKRVDD = 3.7V. Speaker loads (Z SPK ) connected
between SPK_P and SPK_N. Receiver load (R REC ) connected between RECP and RECN. Headphone loads (R HP ) connected
from HPL or HPR to HPGND. R HP = J, R REC = J, Z SPK = J, C REF = 2.2FF, C MICBIAS = C REG = 1FF, C C1N-C1P = 1FF, C HPVDD =
C
HPVSS
= 1FF. AV
MICPRE_
= +20dB, AV
MICPGA_
= 0dB, AV
DACATTN
= 0dB, AV
DACGAIN
= 0dB, AV
ADCLVL
= 0dB, AV
ADCGAIN
=
0dB, AV PGAIN_ = 0dB, AV HP_ = 0dB, AV REC = 0dB, AV SPK_ = 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T A = +25NC,
unless otherwise noted.)
SOFTWARE TURN-ON/OFF RESPONSE
(DAC TO RECEIVER, VSEN = 0)
MAX98088 toc41
SCL
1V/div
RECEIVER
OUTPUT
1V/div
10ms/div
SOFTWARE TURN-ON/OFF RESPONSE
(DAC TO RECEIVER, VSEN = 1)
MAX98088 toc42
SCL
1V/div
RECEIVER
OUTPUT
1V/div
10ms/div
FFT, 0dBFS (DAC TO RECEIVER)
AMPLITUDE (dBV)
-140
-120
-100
-80
-60
-40
-20
0
20
-160
MAX16067 toc43
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R REC = 32I
FREQUENCY (kHz)
15 10 5 0 20
FFT, -60dBFS (DAC TO RECEIVER)
MAX98088 toc44
AMPLITUDE (dBV)
-120
-100
-80
-60
-40
-20
0
-140
FREQUENCY (kHz)
15 10 5 0 20
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R REC = 32I
WIDEBAND FFT, 0dBFS
(DAC TO RECEIVER)
MAX98088 toc45
FREQUENCY (kHz)
AMPLITUDE (dBm)
1000 100 10 1
-100
-80
-60
-40
-20
0
-120
0 10,000
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R REC = 32I
WIDEBAND FFT, 0dBFS
(DAC TO RECEIVER)
MAX98088 toc46
FREQUENCY (kHz)
AMPLITUDE (dBm)
1000 100 10 1
-100
-80
-60
-40
-20
0
-120
0 10,000
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R REC = 32I