max98089 Maxim Integrated Products, Inc., max98089 Datasheet - Page 54

• Manufacturer Part Number: max98089
• Description: Low-power, Stereo Audio Codec With Flexsound Technology
• Manufacturer: Maxim Integrated Products, Inc.

(V
SPK_P and SPK_N. Receiver load (R
to HPGND. Line out (R
1FF, C
AV
= +25NC, unless otherwise noted.)
AVDD
ADCGAIN
HPVDD
= V
PVDD
= 0dB, AV
= C
= V
HPVSS
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DVDD
-10
-20
-30
-40
-50
-60
-70
-80
PGAIN_
LOUT
0
= 1FF. AV
0
= V
RECEIVER AMPLIFIER
DRIVING LOUDSPEAKER
Z
) connected from LOUTL or LOUTR to SPKLGND, C
PLUS NOISE vs. OUTPUT POWER
SPK
TOTAL HARMONIC DISTORTION
f = 1000kHz
= 0dB, AV
(SPEAKER BYPASS SWITCH)
DVDDS1
0.05
= 8I + 68µH
MICPRE_
OUTPUT POWER (W)
REC
f = 100Hz
0.10
= V
) connected between RECP and RECN. Headphone loads (R
HP_
DVDDS2
= +20dB, AV
0.15
= 0dB, AV
f = 6000Hz
-100
-120
Low-Power, Stereo Audio Codec
-20
-40
-60
-80
Typical Operating Characteristics (continued)
Speaker Bypass Switch
0
0.20
= 1.8V, V
10
REC
SPEAKER AMP DRIVING LOUDSPEAKER
SPEAKER BYPASS SWITCH OPEN
MEASURED AT RXIN_
RECEIVER AMP DRIVING RXIN_
OFF-ISOLATION vs. FREQUENCY
50I LOAD ON RXIN_
MICPGA_
0.25
(SPEAKER BYPASS SWITCH)
= 0dB, AV
100
SPKLVDD
with FlexSound Technology
FREQUENCY (Hz)
= 0dB, AV
1k
SPK_
= V
SPKRVDD
= 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T
10k
DACATTN
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
REF
0
= 3.7V. Speaker loads (Z
0
100k
= 2.2FF, C
V
I
SW
SPK_VDD
= 0dB, AV
(SPEAKER BYPASS SWITCH)
= 20mA
1
ON-RESISTANCE vs. V
= 3.7V
V
2
SPK_VDD
MICBIAS
DACGAIN
V
V
COM
SPK_VDD
3
HP
= 4.2V
(V)
) connected from HPL or HPR
V
SPK_VDD
= C
= 3.0V
MAX98089
4
= 0dB, AV
SPK
COM
REG
= 5.0V
5
) connected between
= 1FF, C
6
ADCLVL
C1N-C1P
= 0dB,
=
A