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| MAX9860 Datasheet, PDF (4/39 Pages) Maxim Integrated Products – 16-Bit Mono Audio Voice Codec | |||
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16-Bit Mono Audio Voice Codec
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VDVDD = VDVDDIO = +1.8V, RL = â, headphone load (RL) connected between OUTP and OUTN, CREF = 2.2µF, CMICBIAS =
CPREG = CREG = 1µF, AVPRE = +20dB, AVMICPGA = 0dB, MCLK = 13MHz, LRCLK = 8kHz, TA = TMIN to TMAX, unless otherwise noted.
Typical values are at TA = +25°C.) (Note 2)
PARAMETER
Dynamic Range (Note 5)
SYMBOL
DR
ADC Phase Delay
Total Harmonic Distortion
THD
Power-Supply Rejection Ratio
PSRR
Channel Crosstalk
ADC LOWPASS DIGITAL FILTER
Passband Cutoff
fPLP
Passband Ripple
CONDITIONS
fS = 8kHz, AVPRE = 0dB,
A-weighted from 20Hz to fS/2
fS = 48kHz, AVPRE = 0dB, TA = +25°C
f = 1kHz, 0dBFS, HP filter
disabled, analog input to
digital output
fS = 8kHz
fS = 16kHz
f = 1kHz, fS = 48kHz, TA = +25°C
f = 1kHz, VRIPPLE = 100mVP-P,
AVPGA = 0dB
f = 10kHz, VRIPPLE = 100mVP-P,
AVPGA = 0dB
Driven channel at -1dBFS, f = 1kHz
With respect to fS within ripple;
fS = 8kHz to 48kHz
-3dB cutoff
f < fPLP
Stopband Cutoff
fSLP
With respect to fS; fS = 8kHz to 48kHz
Stopband Attenuation
ADC HIGHPASS DIGITAL FILTER
f > fSLP
AVFLT = 0x1 (elliptical for 16kHz GSM)
5th Order Passband Cutoff
(-3dB from Peak, I2C Register
Programmable) (Note 6)
fAHPPB
AVFLT = 0x2 (500Hz Butterworth for
16kHz)
AVFLT = 0x3 (elliptical for 8kHz GSM)
AVFLT = 0x4
(500Hz Butterworth for 8kHz)
AVFLT = 0x5
(200Hz Butterworth for 48kHz)
MIN TYP MAX UNITS
81
dB
75
83
1.2
ms
0.61
-70
-75
dB
82
dB
76
-92
dB
0.445 x
Hz
fS
0.449
fS
±0.1
dB
0.469 x
fS
Hz
74
dB
0.0161
x fS
0.0312
x fS
0.0321
x fS
Hz
0.0625
x fS
0.0042
x fS
4 _______________________________________________________________________________________
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