MAX9888 Maxim Integrated Products, MAX9888 Datasheet - Page 8

• Manufacturer Part Number: MAX9888
• Description: Stereo Audio CODEC
• Manufacturer: Maxim Integrated Products

DataSheet.in
Stereo Audio CODEC
with FLEXSOUND Technology
ELECTRICAL CHARACTERISTICS (continued)
(V
between SPK_P and SPK_N. Receiver load (R
HPL or HPR to GND. R
= 1FF. AV
AV
T
8
MICROPHONE PREAMP
Full-Scale Input
Preamplifier Gain
PGA Gain
MIC Input Resistance
MICROPHONE BIAS
MICBIAS Output Voltage
Load Regulation
Line Regulation
Ripple Rejection
Noise Voltage
MICROPHONE BYPASS SWITCH
On-Resistance
Total Harmonic Distortion +
Noise
Off-Isolation
Off-Leakage Current
LINE INPUT TO ADC PATH
Dynamic Range (Note 4)
Total Harmonic Distortion +
Noise
Gain Error
A
AVDD
PGAIN_
= T
MIN
= V
PARAMETER
MICPRE_
= 0dB, AV
to T
HPVDD
MAX
, unless otherwise noted. Typical values are at T
= V
= +20dB, AV
PGAOUT_
DVDD
HP
= J, R
= V
= 0dB, AV
REC
MICPGA_
AV
DVDDS1
AV
SYMBOL
V
R
THD+N
THD+N
MICBIAS
MICPGA_
MICPRE_
IN_MIC
R
DR
= J, Z
ON
HP_
= V
= 0dB, AV
SPK
= 0dB, AV
DVDDS2
REC
AV
(Note 5)
(Note 5)
All gain settings, measured at MIC1P/MIC1N/
MIC2P/MIC2N
I
I
V
f = 217Hz, V
f = 10kHz, V
A-weighted, f = 20Hz to 20kHz
P-weighted, f = 20Hz to 4kHz
f = 1kHz
I
V
V
f = 1kHz, INABYP = MIC2BYP = 1
V
f = 1kHz
V
V
f
(FIR audio)
V
DC accuracy
LOAD
LOAD
MIC1_
S
SPKLVDD
MIC2_
IN
IN
MIC1_
MIC2_
IN
= 48kHz, MCLK = 12.288MHz, MODE = 1
= J, C
MICPRE_
) connected between RECP and RECN. Headphone loads (R
= 2V
= 2V
= 1V
= 1mA
= 1mA to 2mA
= 100mA, INABYP = MIC2BYP = 1,
/V
DACATTN
= V
= (0V, V
= +1.8V, V
P-P
P-P
P-P
REC
INA_
REF
= 2.8V to 5.5V
INA_
= 0dB
RIPPLE (SPKLVDD)
, V
, V
, f = 1kHz
RIPPLE (SPKLVDD)
= 0dB, AV
= 2.2FF, C
= (V
CM
CM
AVDD
= (0V, V
CONDITIONS
PA1EN/PA2EN = 01
PA1EN/PA2EN = 10
PA1EN/PA2EN = 11
PGAM1/PGAM2 = 0x00
PGAM1/PGAM2 = 0x14
= 0dB, AV
= 0.9V, R
= 0.9V, R
AVDD
SPKLVDD
A
),
= +25NC.) (Note 1)
, 0V)
SPK_
AVDD
MICBIAS
L
L
DACGAIN
= 100mV
= 10kI,
= 10kI,
= V
= 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1.
= 100mV
)
SPKRVDD
= C
PREG
P-P
= 0dB, AV
P-P
= 3.7V. Speaker loads (Z
= C
REG
ADCLVL
19.5
29.4
19.5
2.14
MIN
-2.5
30
= 1FF, C
= 0dB, AV
TYP
1.05
C1N-C1P
100
-80
-77
2.2
0.5
3.8
2.1
3.5
20
30
20
50
92
83
33
60
91
0
0
1
HP
) connected from
ADCGAIN
SPK
= 1FF, C
MAX
+2.5
20.5
30.5
20.5
2.25
11
20
5
) connected
nV/√Hz
UNITS
FV
= 0dB,
HPVSS
V
mV
dB
dB
kI
dB
dB
dB
dB
dB
FV
FA
%
P-P
RMS
I
V