参数资料
型号: MAX9856ETL+T
厂商: Maxim Integrated Products
文件页数: 42/46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
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VCPVDD = VDVDDS2 = VDVDD = 1.8V, RHP = 32Ω, RLINE = 10kΩ, C1 = 4.7F, C2 = 4.7F, CREF = CMBIAS = CPREG =
CNREG = 1F, AVPRE = +20dB, CMICBIAS = 1F, AVMIGPGA = 0dB, fMCLK = 11.2896MHz, DRATE = 00, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADC/DAC DATA RATE ACCURACY
LRCLK_D and LRCLK_A Output
Average Sample Rate Deviation
(Master Mode, Any MCLK)
(Note 8)
-0.025
+0.025
%
LRCLK_D Output Sample Rate
Deviation (Master Mode)
PCLK/LRCLK = 1536, 1024, 768, 512, 384,
256, 192, or 128
0%
LRCLK_A, LRCLK_D (DHF = 0)
7.8
50
LRCLK Input Sample Rate Range
(Slave Mode)
LRCLK_D (DHF = 1)
15.6
100
kHz
LRCLK_D and LRCLK_A PLL
Lock Time
tLOCK
Any allowable LRCLK and PCLK rates
12
25
ms
LRCLK_D and LRCLK_A
Acceptable Jitter for Maintaining
PLL Lock (All Slave Modes)
Allowable LRCLK period change from
nominal for slave PLL mode at any
allowable LRCLK and PCLK rates
±20
ns
HEADPHONE AMPLIFIERS
RL = 16
Ω
35
Output Power
POUT
f = 1kHz, THD < 1%,
TA = +25°C
RL = 32
Ω
15
28
mW
0dBFS DAC Output Voltage
+0dB volume setting
3.40
3.51
3.80
VP-P
Line In to HP Out Voltage Gain
+4.5dB volume setting, 0dB PGA setting
1.77
V/V
Output Offset Voltage
VOS
TA = +25°C, -40dB volume setting
±0.6
±4
mV
RL = 32
Ω, POUT = 25mW, f = 1kHz
0.03
Total Harmonic Distortion Plus
Noise
THD+N
RL = 16
Ω, POUT = 25mW, f = 1kHz
0.05
%
Dynamic Range
DR
+5.5dB volume setting, DAC input at
fS = 44.1kHz (Note 4)
80
91
dB
VAVDD = 1.71V to 3.6V
70
94
VRIPPLE = 100mVP-P, f = 217Hz
80
Power-Supply Rejection Ratio
PSRR
VRIPPLE = 100mVP-P, f = 10kHz
50
dB
Capacitive Drive
CL
No sustained oscillations
150
pF
Crosstalk
POUT = 1.6mW, f = 1kHz, (HPL to HPR) or
(HPR to HPL)
69
dB
Channel Gain Matching
AVMATCH
±2
%
Into shutdown
-70
Click-and-Pop Level
Peak voltage,
A-weighted, 32 samples
per second
Out of shutdown
-70
dBV
LINE AMPLIFIERS
0dBFS DAC Output Voltage
1.0
VRMS
Line-In to Line-Out Voltage Gain
0dB input PGA setting
1.3
1.34
1.4
V/V
Output Offset Voltage
VOS
TA = +25°C
±0.7
±10
mV
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