Rainbow Electronics MAX9860 - Manual (Page 3)

MAX9860
16-Bit Mono Audio Voice Codec
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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
f = 1kHz, V RIPPLE = 100mV P-P ,
A VPGA = 0dB
94
Power-Supply Rejection Ratio PSRR
f = 10kHz, V RIPPLE = 100mV P-P ,
A VPGA = 0dB
71
dB
DAC LOWPASS DIGITAL FILTER
With respect to f S within ripple; f S = 8kHz
to 48kHz
0.448 x
f S
Hz
Passband Cutoff f PLP
-3dB cutoff 0.451 f S
Passband Ripple f < f PLP ±0.1 dB
Stopband Cutoff f SLP With respect to f S ; f S = 8kHz to 48kHz
0.476 x
f S
Hz
Stopband Attenuation f > f SLP , f = 20Hz to 20kHz 75 dB
DAC HIGHPASS DIGITAL FILTER
DVFLT = 0x1
(elliptical for 16kHz GSM) 0.0161
x f S
DVFLT = 0x2
(500Hz Butterworth for 16kHz) 0.0312
x f S
DVFLT = 0x3
(elliptical for 8kHz GSM) 0.0321
x f S
DVFLT = 0x4
(500Hz Butterworth for 8kHz) 0.0625
x f S
5th Order Passband Cutoff
(-3dB from Peak, I
2 C Register
Programmable) (Note 6)
f DHPPB
DVFLT = 0x5
(200Hz Butterworth for 48kHz) 0.0042
x f S
Hz
DVFLT = 0x1
(elliptical for 16kHz GSM) 0.0139
x f S
DVFLT = 0x2
(500Hz Butterworth for 16kHz) 0.0156
x f S
DVFLT = 0x3
(elliptical for 8kHz GSM) 0.0279
x f S
DVFLT = 0x4
(500Hz Butterworth for 8kHz) 0.0312
x f S
5th Order Stopband Cutoff
(-30dB from Peak, I
2 C Register
Programmable) (Note 6)
f DHPSB
DVFLT = 0x5
(200Hz Butterworth for 48kHz) 0.0021
x f S
Hz
DC Blocking DC Atten DVFLT ≠ 0x0 90 dB
ADC
Full-Scale Input Voltage 0dBFS
Differential MIC Input, A VPRE = 0dB,
A VPGA = 0dB
1 V P-P
Channel Gain Mismatch ±0.3 %
ELECTRICAL CHARACTERISTICS (continued)
(V AVDD = V DVDD = V DVDDIO = +1.8V, R L = ∞, headphone load (R
L ) connected between OUTP and OUTN, C REF = 2.2µF, C MICBIAS =
C PREG = C REG = 1µF, A VPRE = +20dB, A VMICPGA = 0dB, MCLK = 13MHz, LRCLK = 8kHz, T A = T MIN to T MAX , unless otherwise noted.
Typical values are at T A = +25°C.) (Note 2)