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参数资料
| 型号： | MAX1422CCM+TD |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/15页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 20MSPS 48LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 位数： | 12 |
| 采样率（每秒）： | 20M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 152mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个差分，双极 |
MAX1422
12-Bit, 20Msps, 3.3V, Low-Power ADC with
Internal Reference
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage at -0.5dBFS, internal reference, fCLK = 20MHz (50%
duty cycle); digital output load CL = 10pF,
≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization.
Typical values are at TA = +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
AVDD, DVDD to AGND..............................................-0.3V to +4V
DVDD, AVDD to DGND..............................................-0.3V to +4V
DGND to AGND.....................................................-0.3V to +0.3V
INP, INN, REFP, REFN, REFIN,
CML,CLK, CLK, ....................(AGND - 0.3V) to (AVDD + 0.3V)
D0–D11, OE, PD .......................(DGND - 0.3V) to (DVDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
48-Pin TQFP (derate 21.7mW/°C above +70°C)........1739mW
Operating Temperature Ranges
MAX1422CCM ....................................................0°C to +70°C
MAX1422ECM .................................................-40°C to +85°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY
Resolution
RES
12
Bits
TA = +25°C, no missing codes
-1
1
Differential Nonlinearity
DNL
TA = TMIN to TMAX
±0.5
LSB
Integral Nonlinearity
INL
TA = TMIN to TMAX
±2
LSB
Mid-scale Offset
MSO
-3
±.75
3
%FSR
Mid-scale Offset Temperature
Coefficient
MSOTC
3
10-4
%/
°C
Internal reference (Note 1)
-5
±0.1
5
External reference applied to REFIN, (Note 2)
-5
±0.2
5
Gain Error
GE
External reference applied to REFP, CML,
and REFN (Note 3)
-1.5
1.5
%FSR
Gain Error Temperature
Coefficient
GETC
External reference applied to REFP, CML,
and REFN (Note 3)
15
10-6
%/
°C
DYNAMIC PERFORMANCE (fCLK = 20MHz, 4096-point FFT)
Signal-to-Noise Ratio
SNR
fIN = 5MHz, TA = +25°C63
67
dB
Spurious-Free Dynamic Range
SFDR
fIN = 5MHz, TA = +25°C
64
74
dBc
Total Harmonic Distortion
THD
fIN = 5MHz, TA = +25°C
-72
-63
dBc
Signal-to-Noise and Distortion
SINAD
fIN = 5MHz, TA = +25°C60
65
dB
Effective Number of Bits
ENOB
fIN = 5MHz
10.5
Bits
Two-Tone Intermodulation
Distortion
IMD
fIN1 = 7.028MHz, fIN2 = 8.093MHz (Note 4)
-77
dBc
Differential Gain
DG
±1%
Differential Phase
DP
±0.25
Degrees
ANALOG INPUTS (INP, INN, CML)
Input Resistance
RIN
Either input to ground
61
k
Input Capacitance
CIN
Either input to ground
4
pF
Common-Mode Input Level
(Note 5)
VCML
VAVDD
0.5
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1422ECM | 制造商:Maxim Integrated Products 功能描述:48 PINS TQFP PKG - Bulk |
| MAX1422ECM+D | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1422ECM+TD | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1422ECM-D | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1422ECM-TD | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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