MAX9867 데이터 시트보기 (PDF) - Maxim Integrated
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MAX9867 Datasheet PDF : 55 Pages
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Ultra-Low Power Stereo Audio Codec
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VDVDD = VDVDDIO = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN in differential
mode, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB, AVVOL =
0dB, MCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
Total Harmonic Distortion + Noise
Power-Supply Rejection Ratio
MICROPHONE BIAS
Output Voltage
Load Regulation
Line Regulation
Power-Supply Rejection Ratio
Noise Voltage
LINE INPUT
Full-Scale Input
Line Input Level Adjust Range
Line Input Mute Attenuation
Input Resistance
Total Harmonic Distortion + Noise
AUXIN INPUT
Input DC Voltage Range
AUXIN Input Resistance
JACK SENSE OPERATION
Threshold
Pullup Current
Pullup Voltage
SYMBOL
CONDITIONS
THD+N
AVPRE = 0dB,
VIN = 1VP-P, f = 1kHz
AVPRE = +30dB,
VIN = 32mVP-P, f = 1kHz,
(1VP-P at ADC input)
PSRR
VAVDD = 1.65V to 1.95V, input referred
f = 217Hz, VRIPPLE = 100mV,
AVADC = 0dB, input referred
f = 1kHz, VRIPPLE = 100mV,
AVADC = 0dB, input referred
f = 10kHz, VRIPPLE = 100mV,
AVADC = 0dB, input referred
MIN
TYP MAX UNITS
-80
dB
-67
60
85
85
dB
80
80
VMICBIAS
PSRR
VAVDD = 1.8V, ILOAD = 1mA
ILOAD = 1mA to 2mA
VAVDD = 1.65V to 1.95V
f = 217Hz, VRIPPLE = 100mVP-P
f = 10kHz, VRIPPLE = 100mVP-P
A-weighted
1.5
1.525 1.55
V
0.2
10
V/A
10
µV/V
85
dB
81
9.1
µVRMS
VIN
AVLINE = 0dB
AVLINE LIGL/LIGR = 0xF to 0x0
-6.5
f = 1kHz
RIN_LINE AVLINE = +24dB
20
THD+N VIN = 0.1VP-P, f = 1kHz, differential output
1.0
VP-P
+24.5
dB
100
dB
kΩ
-83
dB
AUXEN = 1
RIN
AUXEN = 1, 0V ≤ AUXIN ≤ 0.738V
0
0.738
V
10
40
MΩ
JDETEN = 1, SHDN = 1, JACKSNS
VTH
JDETEN = 1, SHDN = 0, JACKSNS,
LOUTP
JDETEN = 1, SHDN = 1,
JACKSNS = GND
IPU
JDETEN = 1, SHDN = 0,
JACKSNS = LOUTP = GND
JDETEN = 1, JACKSNS, LOUTP
0.92 x 0.95 x 0.98 x
MICBIAS MICBIAS MICBIAS
V
AVDD - AVDD - AVDD -
0.8
0.4
0.15
4
µA
4
20
AVDD
V
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