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參數(shù)資料
| 型號： | ADS5541 |
| 英文描述： | MOSFET, N SC-75AMOSFET, N SC-75A; Transistor type:MOSFET; Transistor polarity:N; Voltage, Vds max:20V; Case style:SC-75A; Current, Id cont:0.14A; Current, Idm pulse:0.5A; Power, Pd:0.25W; Resistance, Rds on:10R; SMD:1; Depth, |
| 中文描述： | 14位，80Msps模擬到數(shù)字轉換器 |
| 文件頁數(shù)： | 11/30頁 |
| 文件大?。?/td> | 401K |
| 代理商： | ADS5541 |
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SBAS308A MAY 2004 REVISED MARCH 2005
www.ti.com
11
DEFINITION OF SPECIFICATIONS
Analog Bandwidth
The analog input frequency at which the power of the
fundamental is reduced by 3dB with respect to the low
frequency value.
Aperture Delay
The delay in time between the falling edge of the input
sampling clock and the actual time at which the
sampling occurs.
Aperture Uncertainty (Jitter)
The sample-to-sample variation in aperture delay.
Clock Pulse Width/Duty Cycle
The duty cycle of a clock signal is the ratio of the time
the clock signal remains at a logic high (clock pulse
width) to the period of the clock signal. Duty cycle is
typically expressed as a percentage. A perfect
differential sine wave clock results in a 50% duty cycle.
Maximum Conversion Rate
The maximum sampling rate at which certified
operation is given. All parametric testing is performed
at this sampling rate unless otherwise noted.
Minimum Conversion Rate
The minimum sampling rate at which the ADC
functions.
Differential Nonlinearity (DNL)
An ideal ADC exhibits code transitions at analog input
values spaced exactly 1LSB apart. The DNL is the
deviation of any single step from this ideal value,
measured in units of LSBs.
Integral Nonlinearity (INL)
The INL is the deviation of the ADC’s transfer function
from a best fit line determined by a least squares curve
fit of that transfer function, measured in units of LSBs.
Gain Error
The gain error is the deviation of the ADC’s actual input
full-scale range from its ideal value. The gain error is
given as a percentage of the ideal input full-scale range.
Gain error does not account for variations in the internal
reference voltages (see the
Electrical Specifications
section for limits on the variation of V
REFP
and V
REFM
).
Offset Error
The offset error is the difference, given in number of
LSBs, between the ADC’s actual average idle channel
output code and the ideal average idle channel output
code. This quantity is often mapped into mV.
Temperature Drift
The temperature drift coefficient (with respect to gain
error and offset error) specifies the change per degree
celcius of the parameter from T
MIN
to T
MAX
. It is
calcuated by dividing the maximum deviation of the
parameter across the T
MIN
to T
MAX
range by the
difference T
MAX
T
MIN
.
Signal-to-Noise Ratio
SNR is the ratio of the power of the fundamental (P
S
)
to the noise floor power (P
N
), excluding the power at DC
and the first eight harmonics.
SNR
10Log
10
P
S
P
N
SNR is either given in units of dBc (dB to carrier) when
the absolute power of the fundamental is used as the
reference, or dBFS (dB to Full Scale) when the power
of the fundamental is extrapolated to the converter’s
full-scale range.
Signal-to-Noise and Distortion (SINAD)
SINAD is the ratio of the power of the fundamental (P
S
)
to the power of all the other spectral components
including noise (P
N
) and distortion (P
D
), but excluding
DC.
SINAD
10Log
10
P
S
P
N
P
D
SINAD is either given in units of dBc (dB to carrier) when
the absolute power of the fundamental is used as the
reference, or dBFS (dB to Full-Scale) when the power
of the fundamental is extrapolated to the converter’s
full-scale range.
Effective Number of Bits (ENOB)
The ENOB is a measure of a converter’s performance
as compared to the theoretical limit based on
quantization noise.
ENOB
SINAD
1.76
6.02
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADS5541EVM | 功能描述:數(shù)據(jù)轉換 IC 開發(fā)工具 ADS5541 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| ADS5541IPAP | 功能描述:模數(shù)轉換器 - ADC 14-Bit 105MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS5541IPAPG4 | 功能描述:模數(shù)轉換器 - ADC 14-Bit 105MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS5541IPAPR | 功能描述:模數(shù)轉換器 - ADC 14-Bit 105MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS5541IPAPRG4 | 功能描述:模數(shù)轉換器 - ADC 14-Bit 105MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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