参数资料
型号: MAX9856ETL+T
厂商: Maxim Integrated Products
文件页数: 3/46页
文件大小: 0K
描述: IC AUDIO CODEC 40TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 音频编解码器
数据接口: 串行
分辨率(位): 18 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 77 / 91
动态范围,标准 ADC / DAC (db): 85 / 91
电压 - 电源,模拟: 1.71 V ~ 3.6 V
电压 - 电源,数字: 1.71 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 带卷 (TR)
MAX9856
Low-Power Audio CODEC with
DirectDrive Headphone Amplifiers
______________________________________________________________________________________
11
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO HP)
MAX9856
toc01
OUTPUT POWER (mW)
THD+N
(%)
35
30
25
20
15
10
5
0.01
0.1
1
10
100
0.001
040
HP GAIN = +5.5dB
RL = 32
Ω
1kHz
20kHz
10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (DAC TO HP)
MAX9856
toc02
OUTPUT POWER (mW)
THD+N
(%)
50
40
30
20
10
0.01
0.1
1
10
100
0.001
060
HP GAIN = +5.5dB
RL = 16
Ω
1kHz
20Hz
10kHz
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HP)
MAX9856
toc03
FREQUENCY (Hz)
THD+N
(%)
10E+3
1E+3
100E+0
0.01
0.1
1
10
0.001
10E+0
100E+3
HP GAIN = +5.5dB
RL = 32
Ω
5mW
20mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO HP)
MAX9856
toc04
FREQUENCY (Hz)
THD+N
(%)
10E+3
1E+3
100E+0
0.01
0.1
1
10
0.001
10E+0
100E+3
HP GAIN = +5.5dB
RL = 16
Ω
5mW
20mW
TOTAL HARMONIC DISTORTION + NOISE
vs. FREQUENCY (DAC TO LINE OUT)
MAX9856
toc05
FREQUENCY (Hz)
THD+N
(%)
10E+3
1E+3
100E+0
0.01
0.1
1
10
0.001
10E+0
100E+3
VOUT = 2VP-P
RL = 10k
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (LINE IN TO ADC)
MAX9856
toc06
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (INTMIC TO ADC)
MAX9856
toc07
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
ADCOUT = -3dBFS
MIC PREAMP = +20dB
MIC GAIN = 0dB
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (INTMIC TO ADC)
MAX9856
toc08
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
ADCOUT = -3dBFS
MIC PREAMP = +30dB
MIC GAIN = 0dB
POWER OUT
vs. HEADPHONE LOAD
MAX9856
toc09
HEADPHONE LOAD (
Ω)
POWER
OUT
(mW)
100
10
1000
1
100
1
fIN = 1kHz
THD+N = 10%
THD+N = 1%
Typical Operating Characteristics
(VAVDD = VCPVDD = VDVDDS2 = VDVDD = 1.8V, RHP = 32Ω, RLINE = 10kΩ, C1 = 4.7F, C2 = 4.7F, CREF = CMBIAS = CPREG = CNREG
=1F, VAVPRE = +20dB, CMICBIAS = 1F, VAVMICPGA = 0dB, fMCLK = 12.288MHz, DRATE = 10, TA = +25°C, unless otherwise noted.)
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