Rainbow Electronics MAX98088 - Manual (Page 14)

Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
14
ELECTRICAL CHARACTERISTICS (continued)
(V AVDD = V PVDD = V DVDD = V DVDDS1 = V DVDDS2 = +1.8V, V SPKLVDD = V SPKRVDD = 3.7V. Speaker loads (Z SPK ) connected
between SPK_P and SPK_N. Receiver load (R REC ) connected between RECP and RECN. Headphone loads (R HP ) connected from
HPL or HPR to HPGND. Line out loads (R LOAD ) connected from LOUTL and LOUTR to ground. R LOAD = R HP = J, R REC = J, Z SPK
= J, C REF = 2.2FF, C MICBIAS = C REG = 1FF, C C1N-C1P = 1FF, C HPVDD = C HPVSS = 1FF. AV MICPRE_ = +20dB, AV MICPGA_ = 0dB,
AV DACATTN = 0dB, AV DACGAIN = 0dB, AV ADCLVL = 0dB, AV ADCGAIN = 0dB, AV PGAIN_ = 0dB, AV HP_ = 0dB, AV REC = 0dB, AV SPK_
= 0dB, MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. T A = +25NC, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LINE INPUT TO RECEIVER AMPLIFIER PATH
Dynamic Range (Note 4)
DR Referenced to full-scale output level 94 dB
Total Harmonic Distortion
+ Noise
THD+N 64 dB
Click-and-Pop Level K CP
Peak voltage, A-weighted, 32
samples per second, AV
REC
= 0dB
Into shutdown -51
dBV
Out of shutdown -49
RECEIVER AMPLIFIER
Output Power
P OUT R REC = 32I, f = 1kHz, THD = 1% 83 mW
Full-Scale Output (Note 7) 1 V RMS
Volume Control (Note 5) AV REC
RECVOL = 0x00 -62
dB
RECVOL = 0x1F 8
Volume Control Step Size
+8dB to +6dB 0.5
dB
+6dB to +0dB 1
0dB to -14dB 2
-14dB to -38dB 3
-38dB to -62dB 4
Mute Attenuation f = 1kHz 88 dB
Capacitive Drive Capability No sustained oscillations
R REC = 32I 500
pF
R REC = J 100
DAC TO LINE OUT AMPLIFIER PATH
Dynamic Range (Note 4)
DR f S = 48kHz, f = 1kHz 83 96 dB
Total Harmonic Distortion
+ Noise
THD+N f = 1kHz, R
L
= 1kI 78 72 dB
LINE INPUT TO LINE OUT AMPLIFIER PATH
Dynamic Range (Note 4)
DR Referenced to full-scale output level 92 dB
Total Harmonic Distortion
+ Noise
THD+N f = 1kHz, R L = 10kI 76 dB
Full-Scale Output AV HP = 0dB, AV OUT = 0 dB (Note 7) 2 V P-P
Mute Attenuation f = 1kHz 85 dB
Output Offset Voltage V OS AV HP = -67dB Q 3.0 4 mV
Capacitive Drive Capability No sustained oscillations, R L = 1kI 500 pF