Electrical characteristics (continued) – Rainbow Electronics MAX98089 User Manual
Page 14
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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
ELECTRICAL 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. Line out loads (R
LOUT
) connected from LOUTL or LOUTR to SPKLGND. R
LOAD
= 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 = 0. T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LINE INPUT TO RECEIVER AMPLIFIER PATH
Dynamic Range (Note 4)
DR
Referenced to full-scale output level
94
dB
Total Harmonic Distortion +
Noise
THD+N
-64
dB
Click-and-Pop Level
K
CP
Peak voltage, A-weighted, 32
samples per second, AV
REC
=
0dB
Into shutdown
-51
dBV
Out of shutdown
-49
RECEIVER AMPLIFIER
Output Power
P
OUT
R
REC
= 32I, f = 1kHz, THD = 1%
92
mW
Full-Scale Output
(Note 7)
1
V
RMS
Volume Control (Note 5)
AV
REC
RECVOL = 0x00
-62
dB
RECVOL = 0x1F
8
Volume Control Step Size
+8dB to +6dB
0.5
dB
+6dB to +0dB
1
0dB to -14dB
2
-14dB to -38dB
3
-38dB to -62dB
4
Mute Attenuation
f = 1kHz
88
dB
Capacitive Drive Capability
No sustained oscillations
R
REC
= 32I
500
pF
R
REC
= J
100
DAC TO LINE OUT AMPLIFIER PATH
Dynamic Range (Note 4)
DR
f
S
= 48kHz, f = 1kHz
83
96
dB
Total Harmonic Distortion +
Noise
THD+N
f = 1kHz, R
L
= 1kI
-78
-72
dB
LINE INPUT TO LINE OUT AMPLIFIER PATH
Dynamic Range (Note 4)
DR
Referenced to full-scale output level
92
dB
Total Harmonic Distortion +
Noise
THD+N
f = 1kHz, R
L
= 10kI
76
dB
Full-Scale Output
(Note 7)
2
V
P-P
Mute Attenuation
f = 1kHz
85
dB
Output Offset Voltage
V
OS
AV
REC_
= -62dB
Q
0.5
Q
4
mV
Capacitive Drive Capability
No sustained oscillations, R
L
= 1kI
500
pF