Rainbow Electronics MAX98088 - Manual (Page 40)

Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
40
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.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
(DAC TO SPEAKER)
MAX98088 toc61
OUTPUT POWER (W)
THD+N RATIO (dB)
1.0 0.8 0.6 0.4 0.2
-60
-50
-40
-30
-20
-10
0
-70
0 1.2
V SPK_VDD = 3V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 4I + 33µH
AV SPK_ = +8dB
f = 1000Hz
f = 100Hz
f = 6000Hz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
(DAC TO SPEAKER)
MAX98088 toc62
THD+N RATIO (dB)
-70
-60
-50
-40
-30
-20
-10
0
-80
FREQUENCY (Hz)
2000 200 20 20,000
V SPK_VDD = 4.2V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 8I + 68µH
AV SPK_ = +8dB
P OUT = 0.25W
P OUT = 0.55W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
(DAC TO SPEAKER)
MAX98088 toc63
THD+N RATIO (dB)
-70
-60
-50
-40
-30
-20
-10
0
-80
FREQUENCY (Hz)
2000 200 20 20,000
V SPK_VDD = 3.7V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 8I + 68µH
AV SPK_ = +8dB
P OUT = 0.25W
P OUT = 0.55W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
(DAC TO SPEAKER)
MAX98088 toc64
THD+N RATIO (dB)
-70
-60
-50
-40
-30
-20
-10
0
-90
-80
FREQUENCY (Hz)
10,000 1000 100 100,000
V SPK_VDD = 4.2V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 4I + 33µH
AV SPK_ = +8dB
P OUT = 0.5W
P OUT = 1W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
(DAC TO SPEAKER)
MAX98088 toc65
THD+N RATIO (dB)
-70
-60
-50
-40
-30
-20
-10
0
-90
-80
FREQUENCY (Hz)
10,000 1000 100 100,000
V SPK_VDD = 3.7V
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SP_ = 4I + 33µH
AV SPK_ = +8dB
P OUT = 0.5W
P OUT = 1W
OUTPUT POWER vs. SUPPLY VOLTAGE
(DAC TO SPEAKER)
MAX98088 toc66
SUPPLY VOLTAGE (V)
OUTPUT POWER PER CHANNEL (mW)
5.0 4.5 4.0 3.5 3.0
600
800
1000
1200
1400
1600
1800
2000
2200
400
2.5 5.5
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
Z
SPK_ = 8I + 68µH
AV SPK_ = +8dB
THD+N = 10%
THD+N = 1%