Rainbow Electronics MAX98088 - Manual (Page 38)

Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
38
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.)
DAC to Line Output
Line to Line Output
FFT, 0dBFS (DAC TO LINE OUT)
MAX98088 toc51
FREQUENCY (Hz)
AMPLITUDE (dBV)
15,000 10,000 5000
-120
-100
-80
-60
-40
-20
0
20
-140
0 20,000
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R LOAD = 10kI
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT LEVEL
(LINE-IN TO LINE-OUT)
MAX98088 toc53
OUTPUT LEVEL (V RMS )
THD+N (dB)
1.2 1.0 0.6 0.8 0.4 0.2
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0 1.4
R LOAD = 10kI
f = 6kHz
f = 1kHz f = 100Hz
FFT, -60dBFS (DAC TO LINE OUT)
MAX98088 toc52
FREQUENCY (Hz)
AMPLITUDE (dBV)
15,000 10,000 5000
-120
-100
-80
-60
-40
-20
0
-140
0 20,000
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
R LOAD = 10kI
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
(LINE-IN TO LINE-OUT)
MAX98088 toc54
THD+N (dB)
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
FREQUENCY (Hz)
10,000 1000 100 10 100,000
V OUT = 0.2V RMS
V OUT = 0.8V RMS
R LOAD = 10kI
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (LINE-IN TO LINE-OUT)
MAX98088 toc55
FREQUENCY (Hz)
THD+N (dB)
10,000 1000 100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10 100,000
V IN = 1V RMS , 1kHz
R LOAD = 10kI
EXTERNAL GAIN MODE
R EXT = 56kI