参数资料
型号: MAX9867ETJ+
厂商: Maxim Integrated Products
文件页数: 8/55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: 60
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: 托盘
MAX9867
Ultra-Low Power Stereo Audio Codec
16
______________________________________________________________________________________
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MIC TO ADC)
MAX9867
toc28
FREQUENCY (Hz)
PSRR
(dB)
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
100
1000
VRIPPLE = 100mVP-P
MCLK = 13MHz
LRCLK = 8kHz
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (MICBIAS)
MAX9867
toc29
FREQUENCY (Hz)
PSRR
(dB)
-50
-40
-30
-80
-70
-60
-20
-10
0
-90
10
100
1000
VRIPPLE = 100mVP-P
FFT, DAC TO HEADPHONE,
0dBFS, MCLK = 13MHz, LRCLK = 8kHz
MAX9867
toc30
AMPLITUDE
(dB)
-60
-40
-120
-100
-80
-20
0
20
-140
06
12
18
FREQ = 0xA
FREQUENCY (kHz)
20
28
10
16
414
FFT, DAC TO HEADPHONE,
-60dBFS, MCLK = 13MHz, LRCLK = 8kHz
MAX9867
toc31
AMPLITUDE
(dB)
-60
-40
-120
-100
-80
-20
0
20
-140
FREQ = 0xA
0
6
12
18
FREQUENCY (kHz)
20
2
8
10
16
414
FFT, DAC TO HEADPHONE,
0dBFS, MCLK = 12.288MHz, LRCLK = 48kHz
MAX9867
toc32
AMPLITUDE
(dB)
-60
-40
-120
-100
-80
-20
0
20
-140
NI = 6000
0
6
12
18
FREQUENCY (kHz)
20
2
8
10
16
414
FFT, DAC TO HEADPHONE,
-60dBFS, MCLK = 12.288MHz, LRCLK = 48kHz
MAX9867
toc33
AMPLITUDE
(dB)
-60
-40
-120
-100
-80
-20
0
20
-140
NI = 6000
06
12
18
FREQUENCY (kHz)
20
28
10
16
414
FFT, DAC TO HEADPHONE,
0dBFS, MCLK = 13MHz, LRCLK = 48kHz
MAX9867
toc34
AMPLITUDE
(dB)
-60
-40
-120
-100
-80
-20
0
20
-140
PLL MODE
0
6
12
18
FREQUENCY (kHz)
20
2
8
10
16
414
FFT, DAC TO HEADPHONE,
-60dBFS, MCLK = 13MHz, LRCLK = 48kHz
MAX9867
toc35
AMPLITUDE
(dB)
-60
-40
-120
-100
-80
-20
0
20
-140
PLL MODE
0
6
12
18
FREQUENCY (kHz)
20
2
8
10
16
414
FFT, DAC TO HEADPHONE,
0dBFS, MCLK = 13MHz, LRCLK = 44.1kHz
MAX9867
toc36
AMPLITUDE
(dB)
-60
-40
-120
-100
-80
-20
0
20
-140
PLL MODE
06
12
18
FREQUENCY (kHz)
20
28
10
16
414
Typical Operating Characteristics (continued)
(VAVDD = VDVDD = VPVDD = +1.8V, CREF = 2.2F, CMICBIAS = CPREG = CREG = 1F, AVMICPGA = 0dB, MCLK = 13MHz, LRCLK =
8kHz, BW = 20Hz to fS/2, TA = +25°C, unless otherwise noted.)
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