MAX9880A 查看數據表（PDF） - Maxim Integrated
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MAX9880A Datasheet PDF : 70 Pages
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Low-Power, High-Performance
Dual I2S Stereo Audio Codec
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VMICVDD = VDVDD = VDVDDS1 = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN, dif-
ferential modes, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB,
AVVOL = 0dB, AVLO = 0dB, fMCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
Power-Supply Rejection
Ratio (Note 7)
PSRR
VAVDD = VPVDD = 1.65V to 1.95V
f = 217Hz, VRIPPLE = 100mVP-P, AVVOL = 0dB
f = 1kHz, VRIPPLE = 100mVP-P, AVVOL = 0dB
f = 10kHz, VRIPPLE = 100mVP-P, AVVOL = 0dB
Output Offset Voltage
AVVOL = -81dB,
LOUTP to LOUTN, ROUTP to
differential mode
VOS
AVVOL = -81dB,
ROUTN, TA = +25°C
LOUTP to LOUTN, ROUTP to
capacitorless mode LOUTN, TA = +25°C
Crosstalk
Capacitive Drive
Capability
Click-and-Pop Level
(Differential,
Capacitorless Modes)
XTALK
Differential, POUT = 5mW, f = 1kHz
Capacitorless mode, POUT = 5mW, f = 1kHz
No sustained oscillations
RL = 32
RL =
Peak voltage, A-weighted,
32 samples per second
Into shutdown
Out of shutdown
Click-and-Pop Level
(Single-Ended Mode)
Peak voltage, A-weighted,
32 samples per second
Into shutdown
Out of shutdown
LINE OUTPUTS (Note 7)
Full-Scale Output
LOGL/LOGR = 0x00
Line Output Level
Adjust
AVLO
LOGL/LOGR = 0x01
LOGL/LOGR = 0x02
LOGL/LOGR = 0x04
LOGL/LOGR = 0x08
LOGL/LOGR = 0x0F
Line Output Mute
Attenuation
f = 1kHz
MIN
60
-0.7
-2.6
-4.6
-8.6
-16.6
-31.1
TYP MAX UNITS
80
80
dB
78
72
±0.2
mV
±0.6
90
dB
45
500
pF
100
-70
dBV
-70
-70
dBV
-70
0.5
-0.1
-2.1
-4.1
-8.1
-16
-29.9
90
+0.6
-1.6
-3.6
-7.6
-15.6
-29.1
VRMS
dB
dB
Total Harmonic
Distortion + Noise
Signal-to-Noise Ratio
Power-Supply Rejection
Ratio
Capacitive Drive
Capability
THD+N RL = 1k, f = 1kHz, VOUT = 1.4VP-P (Note 9)
PSRR
RL = 1k, LINL/LINR = 20Hz < f < 20kHz
1µF to GND
A-weighted
VAVDD = VPVDD = 1.65V to 1.95V
f = 217Hz, VRIPPLE = 100mVP-P, AVVOL = 0dB
f = 1kHz, VRIPPLE = 100mVP-P, AVVOL = 0dB
f = 10kHz, VRIPPLE = 100mVP-P, AVVOL = 0dB
RL = 10k, no sustained oscillations
-67
-59
dB
86
dB
90
46
78
dB
80
76
100
pF
_______________________________________________________________________________________ 7
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