max98088 Maxim Integrated Products, Inc., max98088 Datasheet - Page 29

• Manufacturer Part Number: max98088
• Description: Stereo Audio Codec With Flexsound Technology
• Manufacturer: Maxim Integrated Products, Inc.

(V
between SPK_P and SPK_N. Receiver load (R
from HPL or HPR to HPGND. R
C
0dB, AV
unless otherwise noted.)
HPVSS
AVDD
-100
-120
-140
-160
-180
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
10
20
0
0
10
0
PGAIN_
= V
= 1FF. AV
GAIN vs. FREQUENCY (MIC TO ADC)
MCLK = 13MHz
LRCLK = 8kHz
FREQ MODE
V
AV
IN
MICPRE_
500
= 1V
PVDD
FFT, 0dBFS (MIC TO ADC)
1000 1500
P-P
= 0dB, AV
= 0dB
100
FREQUENCY (Hz)
= V
FREQUENCY (Hz)
MICPRE_
DVDD
2000 2500
HP_
MODE = 0
MODE = 1
AV
= +20dB, AV
1000
MCLK = 13MHz
= V
MICPRE_
LRCLK = 8kHz
= 0dB, AV
FREQ MODE
3000
HP
DVDDS1
= J, R
3500
= 0dB
10,000
4000
MICPGA_
REC
= V
REC
DVDDS2
= 0dB, AV
= J, Z
-100
-120
-140
-160
-180
-20
-40
-60
-80
REC
Typical Operating Characteristics (continued)
70
60
50
40
30
20
10
0
0
with FLEXSOUND Technology
= 0dB, AV
10
0
) connected between RECP and RECN. Headphone loads (R
SPK
COMMON-MODE REJECTION RATIO
= +1.8V, V
500
vs. FREQUENCY (MIC TO ADC)
FFT, -60dBFS (MIC TO ADC)
SPK_
= J, C
1000 1500
MICPRE = 20dB
100
MICPRE = 0dB
DACATTN
= 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T
FREQUENCY (Hz)
FREQUENCY (Hz)
REF
SPKLVDD
1000
2000 2500
= 2.2FF, C
MCLK = 12.288MHz
= 0dB, AV
AV
MCLK = 13MHz
MICPRE = 30dB
MICPRE_
LRCLK = 8kHz
LRCLK = 48kHz
10,000
FREQ MODE
3000
= V
FREQ MODE
Stereo Audio Codec
MICBIAS
3500
SPKRVDD
= 0dB
DACGAIN
100,000
4000
= C
= 3.7V. Speaker loads (Z
= 0dB, AV
REG
-100
-120
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
-20
-40
-60
-80
10
20
0
0
10
0
= 1FF, C
RIPPLE ON SPKLVDD,
POWER-SUPPLY RECTION RATIO
vs. FREQUENCY (MIC TO ADC)
RIPPLE ON AVDD,
FFT, 0dBFS (MIC TO ADC)
ADCLVL
5000
DVDD, HPVDD
100
C1N-C1P
SPKRVDD
FREQUENCY (Hz)
FREQUENCY (Hz)
= 0dB, AV
10,000
1000
INPUTS AC GROUNDED
= 1FF, C
V
SPK
AV
LRCLK = 44.1kHz
RIPPLE
HP
MCLK = 13MHz
MICPRE_
10,000
15,000
) connected
) connected
PLL MODE
A
ADCGAIN
= 200mV
= +25NC,
HPVDD
= 0dB
100,000
P-P
20,000
29
=
=