Stereo Audio CODEC
with FlexSound Technology
MAX9888
30
Typical Operating Characteristics (continued)
(VAVDD = VHPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V, VSPKLVDD = VSPKRVDD = 3.7V. Speaker loads (ZSPK) connected
between SPK_P and SPK_N. Receiver load (RREC) connected between RECP and RECN. Headphone loads (RHP) connected from
HPL or HPR to GND. RHP = J, RREC = J, ZSPK = J, CREF = 2.2FF, CMICBIAS = CPREG = CREG = 1FF, CC1N-C1P = 1FF, CHPVSS
= 1FF. AVMICPRE_ = +20dB, AVMICPGA_ = 0dB, AVDACATTN = 0dB, AVDACGAIN = 0dB, AVADCLVL = 0dB, AVADCGAIN = 0dB,
AVPGAIN_ = 0dB, AVPGAOUT_ = 0dB, AVHP_ = 0dB, AVREC = 0dB, AVSPK_ = 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS =
1. TA = +25NC, unless otherwise noted.)
FFT, -60dBFS (MIC TO ADC)
MAX9888
toc13
FREQUENCY (Hz)
AMPLITUDE
(dBV)
15,000
10,000
5000
-120
-100
-80
-60
-40
-20
0
-140
0
20,000
MCLK = 13MHz
LRCLK = 44.1kHz
PLL MODE
AVMICPRE_ = 0dB
FFT, 0dBFS (MIC TO ADC)
MAX9888
toc14
FREQUENCY (Hz)
AMPLITUDE
(dBV)
15,000
10,000
5000
-120
-100
-80
-60
-40
-20
0
-140
0
20,000
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
AVMICPRE_ = 0dB
FFT, -60dBFS (MIC TO ADC)
MAX9888
toc15
FREQUENCY (Hz)
AMPLITUDE
(dBV)
15,000
10,000
5000
-120
-100
-80
-60
-40
-20
0
-140
0
20,000
MCLK = 12.288MHz
LRCLK = 48kHz
NI MODE
AVMICPRE_ = 0dB
FFT, 0dBFS (MIC TO ADC)
MAX9888
toc16
FREQUENCY (Hz)
AMPLITUDE
(dBV)
15,000
10,000
5000
-120
-100
-80
-60
-40
-20
0
-140
0
20,000
MCLK = 12.288MHz
LRCLK = 96kHz
NI MODE
AVMICPRE_ = 0dB