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參數(shù)資料
| 型號： | LTC2205I |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48 |
| 封裝： | 7 X7 MM, PLASTIC, MO-220, QFN-48 |
| 文件頁數(shù)： | 11/28頁 |
| 文件大?。?/td> | 804K |
| 代理商： | LTC2205I |
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LTC2205/LTC2204
19
22054p
DYNAMIC PERFORMANCE
Signal-to-Noise Plus Distortion Ratio
The signal-to-noise plus distortion ratio [S/(N+D)] is the
ratio between the RMS amplitude of the fundamental input
frequency and the RMS amplitude of all other frequency
components at the ADC output. The output is band lim-
ited to frequencies above DC to below half the sampling
frequency.
Signal-to-Noise Ratio
The signal-to-noise (SNR) is the ratio between the RMS
amplitude of the fundamental input frequency and the RMS
amplitude of all other frequency components, except the
rst ve harmonics.
Total Harmonic Distortion
Total harmonic distortion is the ratio of the RMS sum
of all harmonics of the input signal to the fundamental
itself. The out-of-band harmonics alias into the frequency
band between DC and half the sampling frequency. THD
is expressed as:
THD = –20Log
√(V22 + V32 + V42 + ... VN2)/V12
where V1 is the RMS amplitude of the fundamental fre-
quency and V2 through VN are the amplitudes of the second
through nth harmonics.
Intermodulation Distortion
If the ADC input signal consists of more than one spectral
component, the ADC transfer function nonlinearity can
produce intermodulation distortion (IMD) in addition to
THD. IMD is the change in one sinusoidal input caused
by the presence of another sinusoidal input at a different
frequency.
If two pure sine waves of frequencies fa and fb are applied
to the ADC input, nonlinearities in the ADC transfer function
can create distortion products at the sum and difference
frequencies of mfa ± nfb, where m and n = 0, 1, 2, 3, etc.
For example, the 3nd order IMD terms include (2fa + fb),
(fa + 2fb), (2fa - fb) and (fa - 2fb). The 3rd order IMD is
dened as the ration of the RMS value of either input tone
to the RMS value of the largest 3rd order IMD product.
Spurious Free Dynamic Range (SFDR)
Spurious Free Dynamic Range is difference between the
peak harmonic or spurious noise that is the largest spectral
component excluding the input signal and DC. This value
is expressed in decibel relative to the RMS value of a full
scale input signal.
Full Power Bandwidth
The Full Power bandwidth is that input frequency at which
the amplitude of the reconstructed fundamental is reduced
by 3dB for a full scale input signal.
Aperture Delay Time
The time from when a rising ENC+ equals the ENC– voltage
to the instant that the input signal is held by the sample-
and-hold circuit.
Aperture Delay Jitter
The variation in the aperture delay time from convertion
to conversion. This random variation will result in noise
when sampling an AC input. The signal to noise ratio due
to the jitter alone will be:
SNRJITTER = –20log (2
π) fIN tJITTER
OPERATIO
U
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| LTC2204I#TR | 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48 |
| LTC2205C | 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48 |
| LTC2204C#PBF | 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48 |
| LTC2204I#PBF | 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48 |
| LTC2204C#TRPBF | 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2205IUK | 制造商:Linear Technology 功能描述:Single ADC Pipelined 65Msps 16-bit Parallel 48-Pin QFN EP |
| LTC2205IUK#PBF | 制造商:Linear Technology 功能描述:Single ADC Pipelined 65Msps 16-bit Parallel 48-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 16-BIT 65MSPS 48-QFN 制造商:Linear Technology 功能描述:MS-ADC/High Speed, 16-bit, 65Msps ADC 制造商:Linear Technology 功能描述:IC, ADC, 16BIT, 65MSPS, QFN-48, Resolution (Bits):16bit, Sampling Rate:65MSPS, Supply Voltage Type:Single, Supply Voltage Min:3.135V, Supply Voltage Max:3.465V, Supply Current:185mA, Digital IC Case Style:QFN, No. of Pins:48 , RoHS Compliant: Yes |
| LTC2205IUK#TRPBF | 制造商:Linear Technology 功能描述:IC ADC 16-BIT 65MSPS 48-QFN |
| LTC2205IUK-14 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:14-Bit, 65Msps ADC |
| LTC2205IUK-14#PBF | 功能描述:IC ADC 14BIT 65MSPS 48-QFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據采集 - 模數(shù)轉換器 系列:- 標準包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據接口:串行，并聯(lián) 轉換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
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