max98088 Maxim Integrated Products, Inc., max98088 Datasheet - Page 18
![no-image](/images/no-image-200.jpg)
max98088
Manufacturer Part Number
max98088
Description
Stereo Audio Codec With Flexsound Technology
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX98088.pdf
(123 pages)
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Stereo Audio Codec
with FLEXSOUND Technology
18
ELECTRICAL CHARACTERISTICS (continued)
(V
between SPK_P and SPK_N. Receiver load (R
HPL or HPR to HPGND. Line out loads (R
= J, C
AV
= 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T
HEADPHONE AMPLIFIER
Output Power
Positive Charge-Pump
Output Voltage
Negative Charge-Pump
Output Voltage
Output Voltage Threshold
(Output Voltage at which
the Charge Pump Switches
Modes; VOUT Rising;
Transition from Split to
Invert Mode)
Full-Scale Output
Volume Control
Volume Control Step Size
Mute Attenuation
Output Offset Voltage
Capacitive Drive Capability
SPEAKER BYPASS SWITCH
On-Resistance
Total Harmonic Distortion
+ Noise
Off-Isolation
Off-Leakage Current
AVDD
DACATTN
REF
PARAMETER
= V
= 2.2FF, C
PVDD
= 0dB, AV
= V
MICBIAS
DVDD
DACGAIN
= V
SYMBOL
= C
HPVDD
THD+N
HPVSS
AV
P
VTH2
= 0dB, AV
R
V
DVDDS1
OUT
REG
OS
ON
HP_
= 1FF, C
f = 1kHz, THD = 1%
V
V
V
V
RL = J
(Note 7)
(Note 5)
+3dB to +1dB
+1dB to -5dB
-5dB to -19dB
-19dB to -43dB
-43dB to -67dB
f = 1kHz
AV
No sustained oscillations
I
V
V
Z
SPKBYP = 1
V
f = 1kHz
V
V
= V
LOAD
SPKL_
ADCLVL
OUT
OUT
OUT
OUT
RXIN_
IN
SPK
IN
RXIN_
SPKL_
HP_
DVDDS2
= 2V
= 2V
REC
) connected from LOUTL and LOUTR to ground. R
= 8I + 68FH, f = 1kHz,
= 0.2V, R
= 0.5V, R
= 0.2V, R
= 0.5V, R
C1N-C1P
= -67dB
= 100mA, SPKBYP = 1,
= [0V, V
= [0V, V
= [V
P-P
P-P
) connected between RECP and RECN. Headphone loads (R
= 0dB, AV
, V
, V
SPKLVDD
= +1.8V, V
CM
CM
= 1FF, C
L
L
L
L
SPKLVDD
SPKLVDD
A
= J
= J
= J
= J
= V
= V
CONDITIONS
= +25NC, unless otherwise noted.) (Note 1)
ADCGAIN
, 0V]
SPKLVDD
SPKLVDD
HPVDD
SPKLVDD
]
],
= 0dB, AV
/2,
/2, Z
HPVOL_ = 0x00
HPVOL_ = 0x1F
T
T
R
R
= C
A
A
HP
HP
= V
R
R
R
R
= +25NC
= T
HPVSS
L
L
L
S
S
= 32I
= J
= 8I + 68FH,
= 32I
= 16I
= 10I
= 0I
SPKRVDD
MIN
PGAIN_
= 1FF. AV
to T
MAX
= 0dB, AV
= 3.7V. Speaker loads (Z
MICPRE_
MIN
-20
LOAD
HP_
= 0dB, AV
= +20dB, AV
= R
PVDD/2
-PVDD/2
QPVIN
PVDD
x 0.25
-PVDD
Q0.5
TYP
HP
100
500
100
-67
0.5
2.8
+3
30
38
60
60
96
1
1
2
3
4
= J, R
HP
REC
) connected from
SPK
MICPGA_
= 0dB, AV
REC
MAX
+20
Q1
Q3
) connected
= J, Z
= 0dB,
UNITS
V
mW
mV
SPK_
RMS
dB
dB
dB
pF
dB
dB
FA
I
V
V
V
SPK
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