参数资料
型号: MAX9867ETJ+T
厂商: Maxim Integrated Products
文件页数: 55/55页
文件大小: 0K
描述: IC STEREO AUD CODEC LP 32TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 立体声音频
数据接口: I²C,串行
分辨率(位): 18 b
ADC / DAC 数量: 2 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 85 / 90
电压 - 电源,模拟: 1.65 V ~ 1.95 V
电压 - 电源,数字: 1.65 V ~ 1.95 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
MAX9867
Ultra-Low Power Stereo Audio Codec
_______________________________________________________________________________________
9
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
AVPRE = 0dB,
VIN = 1VP-P, f = 1kHz
-80
Total Harmonic Distortion + Noise
THD+N
AVPRE = +30dB,
VIN = 32mVP-P, f = 1kHz,
(1VP-P at ADC input)
-67
dB
VAVDD = 1.65V to 1.95V, input referred
60
85
f = 217Hz, VRIPPLE = 100mV,
AVADC = 0dB, input referred
85
f = 1kHz, VRIPPLE = 100mV,
AVADC = 0dB, input referred
80
Power-Supply Rejection Ratio
PSRR
f = 10kHz, VRIPPLE = 100mV,
AVADC = 0dB, input referred
80
dB
MICROPHONE BIAS
Output Voltage
VMICBIAS
VAVDD = 1.8V, ILOAD = 1mA
1.5
1.525
1.55
V
Load Regulation
ILOAD = 1mA to 2mA
0.2
10
V/A
Line Regulation
VAVDD = 1.65V to 1.95V
10
V/V
f = 217Hz, VRIPPLE = 100mVP-P
85
Power-Supply Rejection Ratio
PSRR
f = 10kHz, VRIPPLE = 100mVP-P
81
dB
Noise Voltage
A-weighted
9.1
VRMS
LINE INPUT
Full-Scale Input
VIN
AVLINE = 0dB
1.0
VP-P
Line Input Level Adjust Range
AVLINE
LIGL/LIGR = 0xF to 0x0
-6.5
+24.5
dB
Line Input Mute Attenuation
f = 1kHz
100
dB
Input Resistance
RIN_LINE
AVLINE = +24dB
20
k
Total Harmonic Distortion + Noise
THD+N
VIN = 0.1VP-P, f = 1kHz, differential output
-83
dB
AUXIN INPUT
Input DC Voltage Range
AUXEN = 1
0
0.738
V
AUXIN Input Resistance
RIN
AUXEN = 1, 0V
≤ AUXIN ≤ 0.738V
10
40
M
JACK SENSE OPERATION
JDETEN = 1,
SHDN = 1, JACKSNS
0.92 x
MICBIAS
0.95 x
MICBIAS
0.98 x
MICBIAS
Threshold
VTH
JDETEN = 1,
SHDN = 0, JACKSNS,
LOUTP
AVDD -
0.8
AVDD -
0.4
AVDD -
0.15
V
JDETEN = 1,
SHDN = 1,
JACKSNS = GND
4
Pullup Current
IPU
JDETEN = 1,
SHDN = 0,
JACKSNS = LOUTP = GND
420
A
Pullup Voltage
JDETEN = 1, JACKSNS, LOUTP
AVDD
V
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VDVDD = VDVDDIO = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN in differential
mode, CREF = 2.2F, CMICBIAS = CPREG = CREG = 1F, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB, AVVOL =
0dB, MCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
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