参数资料
型号: MAX9867ETJ+T
厂商: Maxim Integrated Products
文件页数: 53/55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
_______________________________________________________________________________________
7
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADC STEREO AUDIO MODE DIGITAL DC BLOCKING HIGHPASS FILTER
Passband Cutoff
(-3dB from Peak)
fAHPPB
AVFLT = 0x1
0.000625
x fS
Hz
DC Attenuation
DCATTEN
AVFLT = 0x1
90
dB
OUTPUT VOLUME CONTROL
VOLL/VOLR = 0x00
14.55
14.9
15.15
VOLL/VOLR = 0x01
14.1
14.4
14.6
VOLL/VOLR = 0x02
13.6
13.9
14.1
VOLL/VOLR = 0x04
12.6
12.9
13.1
VOLL/VOLR = 0x08
9.35
9.9
10.35
VOLL/VOLR = 0x10
0.35
0.9
1.35
Line Input to Output Volume
Control
AVVOL
VOLL/VOLR = 0x20
-50.15
-49.2
-48.15
dB
VOLL/VOLR = 0x00 to 0x06 (+6dB to +3dB)
0.5
VOLL/VOLR = 0x06 to 0x0F (+3dB to -6dB)
1
VOLL/VOLR = 0x0F to 0x17 (-6dB to -22dB)
2
Output Volume Control Step Size
VOLL/VOLR = 0x17 to 0x3F (-22dB to mute)
4
dB
Output Volume Control Mute
Attenuation
f = 1kHz
100
dB
HEADPHONE AMPLIFIER (Note 8)
RL = 16
30
52
Output Power per Channel
(Differential Mode)
POUT
f = 1kHz, THD <
1%, TA = +25°C
RL = 32
32
mW
RL = 16
19
Output Power per Channel
(Capacitorless Mode)
POUT
f = 1kHz, THD <
1%, TA = +25°C
RL = 32
810
mW
RL = 16
, POUT = 25mW, f = 1kHz
-76
MCLK = 13MHz,
fS = 8kHz
-77
-70
Total Harmonic Distortion + Noise
(Differential Mode)
THD+N
RL = 32
, POUT =
25mW, f = 1kHz
MCLK = 12.288MHz,
fS = 48kHz
-80
dB
RL = 16
, POUT = 6.25mW, f = 1kHz
-72
MCLK = 13MHz,
fS = 8kHz
-74
-65
Total Harmonic Distortion + Noise
(Capacitorless Mode)
THD+N
RL = 32
, POUT =
6.25mW, f = 1kHz
MCLK = 12.288MHz,
fS = 48kHz
-74
dB
RL = 16
, POUT = 6.25mW, f = 1kHz
-74
MCLK = 13MHz,
fS = 8kHz
-74
-65
Total Harmonic Distortion + Noise
(SE Mode)
THD+N
RL = 32
, POUT =
6.25mW, f = 1kHz
MCLK = 12.288MHz,
fS = 48kHz
-76
dB
Dynamic Range
DR
AVVOL = +6dB (Notes 5, 7)
76
90
dB
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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