Rainbow Electronics MAX98089 - Manual (Page 19)

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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
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 LOUT ) connected from LOUTL or LOUTR to SPKLGND. 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 = 0. T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25NC.) (Note 1)
DIGITAL INPUT/OUTPUT CHARACTERISTICS
(V
AVDD
= V
PVDD
= V
DVDD
= V
DVDDS1
= V
DVDDS2
= 1.8V, V
SPKLVDD
= V
SPKRVDD
= 3.7V, T
A
= +25NC, unless otherwise noted.)
(Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MCLK
Input High Voltage
V IH
1.2 V
Input Low Voltage V IL 0.6 V
Input Leakage Current I IH , I IL V DVDD = 2.0V, V IN = 0V, 5.5V; T A = +25 °C -1 +1 F A
Input Capacitance 10 pF
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RECEIVER BYPASS SWITCH
On-Resistance R ON
I RECP = 100mA, RECBYP = 1, V RECN = [0V, V SPKL-
VDD
]
2 I
Total Harmonic Distortion +
Noise
THD+N
V IN = 2V P-P , V CM = V SPKLVDD /2, Z SPK = 8I +
68FH, f = 1kHz, RECBYP = 1, R S = 0I
60 %
Off-Isolation
V IN = 2V P-P , V CM = V SPKLVDD /2, Z SPK = 8I +
68FH, f = 1kHz
84 dB
Off-Leakage Current
V
RECP
= [0V, V
SPKLVDD
], V
RECN
=
[V SPKLVDD , 0V]
-15 +15 F A
JACK DETECTION
JACKSNS High Threshold V TH1
MICBIAS enabled
0.92 x
V MICBIAS
0.95 x
V MICBIAS
0.98 x
V MICBIAS
V
MICBIAS disabled
0.92 x
V SPKLVDD
0.95 x
V SPKLVDD
0.98 x
V SPKLVDD
JACKSNS Low Threshold V TH2
MICBIAS enabled
0.06 x
V MICBIAS
0.10 x
V MICBIAS
0.17 x
V MICBIAS
V
MICBIAS disabled
0.06 x
V SPKLVDD
0.10 x
V SPKLVDD
0.17 x
V SPKLVDD
JACKSNS Sense Voltage MICBIAS disabled, JDWK = 1 3.65 3.7
JACKSNS Sense Resistance R SENSE MICBIAS disabled, JDWK = 0 1.6 2.4 2.9 kI
JACKSNS Weak Pullup Current I WPU MICBIAS disabled, JDWK = 1 2 5 9.5
F
A
JACKSNS Deglitch Period t GLITCH
JDEB = 00 25
ms
JDEB = 11 200
BATTERY ADC
Input Voltage Range
2.6 5.6 V
LSB Size 0.1 V