Rainbow Electronics MAX98088 - Manual (Page 19)

Stereo Audio Codec
with FLEXSOUND Technology
MAX98088
19
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)
DIGITAL INPUT/OUTPUT CHARACTERISTICS
(V AVDD = V HPVDD = 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
SDINS1, BCLKS1, LRCLKS1—INPUT
Input High Voltage V IH
0.7 x
DVDDS1
V
Input Low Voltage V IL
0.29 x
DVDDS1
V
Input Hysteresis 200 mV
Input Leakage Current I IH , I IL V DVDDS1 = 3.6V, V IN = 0V, 3.6V; 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 SPKLVDD ]
2 I
Total Harmonic Distortion
+ Noise
THD+N
V IN = 2V P-P , V CM = V SPKLVDD /2, Z L = 8I + 68FH,
f = 1kHz, RECBYP = 1, R S = 0I
60 %
Off-Isolation
V IN = 2V P-P , V CM = V SPKLVDD /2, Z L = 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 Threshold
SHDN = 1, JACKSNS rising
0.92 x
V MICBIAS
0.95 x
V MICBIAS
0.98 x
V MICBIAS
V
SHDN = 0, JKSNS SPKLVDD - 0.7
JACKSNS Sense Voltage SHDN = 0 SPKLVDD V
JACKSNS Sense Current V JACKSNS = 0V 4 10
F
A
BATTERY ADC
Input Voltage Range
2.6 5.6 V
LSB Size 0.1 V