MAX9880A 查看數據表（PDF） - Maxim Integrated
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MAX9880A Datasheet PDF : 70 Pages
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Low-Power, High-Performance
Dual I2S Stereo Audio Codec
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VMICVDD = VDVDD = VDVDDS1 = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN, dif-
ferential modes, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB,
AVVOL = 0dB, AVLO = 0dB, fMCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
INPUT CLOCK CHARACTERISTICS
MCLK Input Frequency
MCLK Input Duty Cycle
fMCLK
For any LRCLK sample rate
Prescaler = /1 mode
/2 or /4 modes
Maximum MCLK Input
Jitter
Maximum allowable RMS for performance limits
LRCLK Sample Rate
(Note 10)
DHF = 0
DHF = 1
MIN
TYP MAX UNITS
10
60
MHz
40
60
%
30
70
100
ps
8
48
kHz
48
96
LRCLK Average
Frequency Error (Master
and Slave Modes)
(Note 11)
FREQ1 mode = 0x8 to 0xF
PCLK = 192x, 256x, 384x, 512x, 768x, and 1024x
FREQ1 mode = Any clock other than above
0
0
-0.025
0
0
%
+0.025
LRCLK PLL Lock Time
Any allowable LRCLK and
PCLK rate, slave mode
Rapid lock mode
Nonrapid lock mode
2
7
ms
12
25
LRCLK Acceptable
Jitter for Maintaining
PLL Lock
Allowable LRCLK period change from nominal for
slave PLL mode at any allowable LRCLK and PCLK
rates
±100
ns
Soft-Start/Stop Time
10
ms
CRYSTAL OSCILLATOR
Frequency
Fundamental mode only
12.288
MHz
Maximum Crystal ESR
100
Input Leakage Current
Input Capacitance
IIH, IIL X1, TA = +25°C
CX1, CX2
-1
+1
µA
4
pF
Maximum Load
Capacitor
CL1, CL2
45
pF
DIGITAL INPUT (MCLK)
Input High Voltage
VIH
Input Low Voltage
VIL
Input Leakage Current
IIH, IIL TA = +25°C
Input Capacitance
DIGITAL INPUTS (SDINS1, BCLKS1, LRCLKS1)
Input High Voltage
VIH
Input Low Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
VIL
IIH, IIL TA = +25°C
1.2
V
0.6
V
-1
+1
µA
10
pF
0.7
x VDVDDS1
V
0.3
x VDVDDS1
V
200
mV
-1
+1
µA
10
pF
10 ______________________________________________________________________________________
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