Low-Power, 4-/8-/12-Channel, I2C, 10-Bit ADCs in Ultra-Small P" />
參數(shù)資料
型號(hào)： MAX11609EEE+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 13/22頁(yè)
文件大小： 0K
描述： IC ADC SERIAL 10BIT 8CH 16-QSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
位數(shù)： 10
采樣率（每秒）： 94.4k
數(shù)據(jù)接口： I²C，串行
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 666.7mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-QSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 8 個(gè)單端，單極；8 個(gè)單端，雙極；4 個(gè)差分，單極；4 個(gè)差分，雙極
MAX11606–MAX11611
Low-Power, 4-/8-/12-Channel, I2C,
10-Bit ADCs in Ultra-Small Packages
20
Maxim Integrated
Aperture Delay
Aperture delay (tAD) is the time between the falling
edge of the sampling clock and the instant when an
actual sample is taken.
Signal-to-Noise Ratio
For a waveform perfectly reconstructed from digital sam-
ples, the theoretical maximum SNR is the ratio of the full-
scale analog input (RMS value) to the RMS quantization
error (residual error). The ideal, theoretical minimum ana-
log-to-digital noise is caused by quantization error only
and results directly from the ADC’s resolution (N Bits):
SNRMAX[dB] = 6.02dB N + 1.76dB
In reality, there are other noise sources besides quanti-
zation noise: thermal noise, reference noise, clock jitter,
etc. SNR is computed by taking the ratio of the RMS
signal to the RMS noise, which includes all spectral
components minus the fundamental, the first five har-
monics, and the DC offset.
Signal-to-Noise Plus Distortion
Signal-to-noise plus distortion (SINAD) is the ratio of the
fundamental input frequency’s RMS amplitude to RMS
equivalent of all other ADC output signals.
SINAD (dB) = 20 log (SignalRMS/NoiseRMS)
Effective Number of Bits
Effective number of bits (ENOB) indicates the global
accuracy of an ADC at a specific input frequency and
sampling rate. An ideal ADC’s error consists of quanti-
zation noise only. With an input range equal to the
ADC’s full-scale range, calculate the ENOB as follows:
ENOB = (SINAD - 1.76)/6.02
Total Harmonic Distortion
Total harmonic distortion (THD) is the ratio of the RMS
sum of the input signal’s first five harmonics to the fun-
damental itself. This is expressed as:
where V1 is the fundamental amplitude, and V2 through V5
are the amplitudes of the 2nd through 5th order harmonics.
Spurious-Free Dynamic Range
Spurious-free dynamic range (SFDR) is the ratio of RMS
amplitude of the fundamental (maximum signal compo-
nent) to the RMS value of the next largest distortion
component.
THD
VVVV
V
=×
+++
20
2
3
2
4
2
5
2
1
log
SINAD dB
SignalRMS
NoiseRMS THDRMS
(
)
log
=×
+
20
Chip Information
PROCESS: BiCMOS
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