参数资料
型号: MAX9867ETJ+T
厂商: Maxim Integrated Products
文件页数: 10/55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
18
______________________________________________________________________________________
DAC IIR HIGHPASS FILTER
FREQUENCY RESPONSE, MODE = 0
MAX9867
toc46
FREQUENCY (Hz)
AMPLITUDE
(dB)
220
520
320
420
120
-40
0
-20
-80
-60
20
-100
20
DVFLT = 0
DVFLT = 3
DVFLT = 4
LRCLK = 8kHz
MODE = 0
DAC IIR HIGHPASS FILTER
FREQUENCY RESPONSE, MODE = 0
MAX9867
toc47
FREQUENCY (Hz)
AMPLITUDE
(dB)
220
520
320
420
120
-40
0
-20
-80
-60
20
-100
20
AVFLT = 0
AVFLT = 3
AVFLT = 4
LRCLK = 8kHz
DAC IIR/FIR LOWPASS FILTER
FREQUENCY RESPONSE (8kHz)
MAX9867
toc48
AMPLITUDE
(dB)
-30
0
-20
-70
-50
10
-10
-60
-40
20
-80
MODE = 0
MODE = 1
3.0
3.3
3.6
3.9
FREQUENCY (kHz)
4.0
3.1
3.4 3.5
3.8
3.2
3.7
ADC IIR/FIR LOWPASS FILTER
FREQUENCY RESPONSE (8kHz)
MAX9867
toc49
AMPLITUDE
(dB)
-40
10
-20
-80
-60
20
-100
MODE = 0
MODE = 1
3.0
3.3
3.6
3.9
FREQUENCY (kHz)
4.0
3.1
3.4 3.5
3.8
3.2
3.7
SHUTDOWN TO DAC FULL OPERATION
(CAPACITORLESS OR DIFFERENTIAL MODE)
MAX9867
toc50
TIME (4ms/div)
LOUTP
(500mV/div)
SCL
(2V/div)
SHUTDOWN TO DAC FULL OPERATION
(CLICKLESS SINGLE-ENDED MODE)
MAX9867
toc51
TIME (40ms/div)
LOUTP
(500mV/div)
SCL
(2V/div)
SHUTDOWN TO DAC FULL OPERATION
(FAST TURN-ON SINGLE-ENDED MODE)
MAX9867
toc52
TIME (4ms/div)
LOUTP
(500mV/div)
SCL
(2V/div)
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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