参数资料
型号: MAX9867ETJ+T
厂商: Maxim Integrated Products
文件页数: 54/55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
8
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VAVDD = VPVDD = 1.65V to 1.95V
60
78
f = 217Hz, VRIPPLE = 100mVP-P,
AVVOL = 0dB
78
f = 1kHz, VRIPPLE = 100mVP-P,
AVVOL = 0dB
75
Power-Supply Rejection Ratio
(Note 7)
PSRR
f = 10kHz, VRIPPLE = 100mVP-P,
AVVOL = 0dB
62
dB
AVVOL = -84dB
differential mode
(LOUTP–LOUTN,
ROUTP–ROUTN),
TA = +25°C
±0.2
Output Offset Voltage
VOS
AVVOL = -84dB
capacitorless
mode
(LOUTP–LOUTN,
ROUTP–LOUTN),
TA = +25°C
±0.8
mV
Differential mode, POUT = 5mW, f = 1kHz
87
TQFN
55
Crosstalk
XTALK
Capacitorless
mode,
POUT = 5mW,
f = 1kHz
WLP
60
dB
RL = 32
500
Capacitive Drive
No sustained
oscillations
RL =
100
pF
Into shutdown
-80
Click-and-Pop Level
(Differential, Capacitorless
Modes)
Peak voltage,
A-weighted, 32
samples per
second
Out of shutdown
-69
dBV
Into shutdown
-75
Click-and-Pop Level
(SE Mode)
Peak voltage,
A-weighted, 32
samples per
second
Out of shutdown
-75
dBV
MICROPHONE AMPLIFIER
PALEN/PAREN = 01
-0.5
0
+0.5
PALEN/PAREN = 10
19.5
20
20.5
Preamplifier Gain
AVPRE
PALEN/PAREN = 11
29.5
30
30.5
dB
PGAML/PGAMR = 0x1F
-0.6
-0.1
+0.4
MIC PGA Gain
AVPGAM
PGAML/PGAMR = 0x00
19.3
19.75
20.3
dB
Common-Mode Rejection Ratio
CMRR
VIN = 100mVP-P, f = 217Hz
50
dB
MIC Input Resistance
RIN_MIC
All gain settings
30
50
k
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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