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| 型号： | MAX1309ECM |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | Metal Dust Cap; For Use With:Amphenol PCD FW Field TV Square Flange Receptacles; Body Plating:Olive Drab Cadmium RoHS Compliant: Yes |
| 中文描述： | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBC, TQFP-48 |
| 文件页数： | 34/36页 |
| 文件大小： | 487K |
| 代理商： | MAX1309ECM |
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M
8-/4-/2-Channel,12-Bit,Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
34
______________________________________________________________________________________
Aperture Jitter
Aperture Jitter (t
AJ
) is the sample-to-sample variation in
aperture delay.
Jitter is a concern when considering an ADC’s dynamic
performance, e.g., SNR. To reconstruct an analog input
from the ADC digital outputs, it is critical to know the
time at which each sample was taken. Typical applica-
tions use an accurate sampling clock signal that has
low jitter from sampling edge to sampling edge. For a
system with a perfect sampling clock signal, with no
clock jitter, the SNR performance of an ADC is limited
by the ADC’s internal aperture jitter as follows:
where f
IN
represents the analog input frequency and
t
AJ
is the time of the aperture jitter.
Small-Signal Bandwidth
A small -20dBFS analog input signal is applied to an
ADC so that the signal’s slew rate does not limit the
ADC’s performance. The input frequency is then swept
up to the point where the amplitude of the digitized
conversion result has decreased by -3dB.
Full-Power Bandwidth
A large, -0.5dBFS analog input signal is applied to an
ADC, and the input frequency is swept up to the point
where the amplitude of the digitized conversion result
has decreased by -3dB. This point is defined as full-
power input bandwidth frequency.
DC Power-Supply Rejection (PSRR)
DC PSRR is defined as the change in the positive full-
scale transfer function point caused by a ±5% variation
in the analog power-supply voltage (AV
DD
).
Chip Information
TRANSISTOR COUNT: 50,000
PROCESS: 0.6μm BiCMOS
SNR
x
x
x f
x t
IN
AJ
=
20
1
2
log
π
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1313ECM | 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges |
| MAX1314ECM | 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges |
| MAX1310ECM | 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges |
| MAX1312ECM | 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges |
| MAX1305ECM | 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1309ECM/V+ | 功能描述:模数转换器 - ADC 12-Bit 4Ch 1.075Msps 3V Precision 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 |
| MAX1309ECM/V+T | 功能描述:模数转换器 - ADC 12-Bit 4Ch 1.075Msps 3V Precision 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 |
| MAX1309ECM+ | 功能描述:模数转换器 - ADC 12-Bit 4Ch 1.075Msps 3V Precision 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 |
| MAX1309ECM+T | 功能描述:模数转换器 - ADC 12-Bit 4Ch 1.075Msps 3V Precision 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 |
| MAX1309ECM-T | 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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