Rainbow Electronics MAX9867 - Manual (Page 8)

MAX9867
Ultra-Low Power Stereo Audio Codec
8 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
V AVDD = V PVDD = 1.65V to 1.95V 60 78
f = 217Hz, V RIPPLE = 100mV P-P ,
AV
VOL
= 0dB
78
f = 1kHz, V RIPPLE = 100mV P-P ,
AV VOL = 0dB
75
Power-Supply Rejection Ratio
(Note 7)
PSRR
f = 10kHz, V RIPPLE = 100mV P-P ,
AV VOL = 0dB
62
dB
AV VOL = -84dB
differential mode
(LOUTP–LOUTN,
ROUTP–ROUTN),
T
A = +25°C
±0.2 ±1.3
Output Offset Voltage V OS
AV VOL = -84dB
capacitorless
mode
(LOUTP–LOUTN,
ROUTP–LOUTN),
T
A = +25°C
±0.8 ±3
mV
Differential mode, P OUT = 5mW, f = 1kHz 87
TQFN 55
Crosstalk X TALK
Capacitorless
mode,
P
OUT = 5mW,
f = 1kHz
WLP 60
dB
R L = 32 Ω 500
Capacitive Drive
No sustained
oscillations
R
L
= ∞ 100
pF
Into shutdown -80 Click-and-Pop Level
(Differential, Capacitorless
Modes)
Peak voltage,
A-weighted, 32
samples per
second
Out of shutdown -69
dBV
Into shutdown -75
Click-and-Pop Level
(SE Mode)
Peak voltage,
A-weighted, 32
samples per
second
Out of shutdown -75
dBV
MICROPHONE AMPLIFIER
PALEN/PAREN = 01 -0.5 0 +0.5
PALEN/PAREN = 10 19.5 20 20.5 Preamplifier Gain AV PRE
PALEN/PAREN = 11 29.5 30 30.5
dB
PGAML/PGAMR = 0x1F -0.6 -0.1 +0.4
MIC PGA Gain AV PGAM
PGAML/PGAMR = 0x00 19.3 19.75 20.3
dB
Common-Mode Rejection Ratio CMRR V IN = 100mV P-P , f = 217Hz 50 dB
MIC Input Resistance R IN_MIC All gain settings 30 50 k Ω
ELECTRICAL CHARACTERISTICS (continued)
(V AVDD = V PVDD = V DVDD = V DVDDIO = +1.8V, R L = ∞, headphone load (R L ) connected between _OUTP and _OUTN in differential
mode, C REF = 2.2μF, C MICBIAS = C PREG = C REG = 1μF, AV PRE = +20dB, AV PGAM = 0dB, AV DAC = 0dB, AV LINE = +20dB, AV VOL =
0dB, MCLK = 13MHz, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.) (Note 2)