MAX1136EUA Maxim Integrated, MAX1136EUA Datasheet - Page 20
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MAX1136EUA
Manufacturer Part Number
MAX1136EUA
Description
Analog to Digital Converters - ADC
Manufacturer
Maxim Integrated
Datasheet
1.MAX1138EEE.pdf
(22 pages)
Specifications of MAX1136EUA
Number Of Channels
4/2
Architecture
SAR
Conversion Rate
94.4 KSPs
Resolution
10 bit
Input Type
Single-Ended/Differential
Snr
Yes
Interface Type
I2C
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
uMAX-8
Maximum Power Dissipation
362 mW
Minimum Operating Temperature
- 40 C
Number Of Converters
1
Voltage Reference
Internal 4.096 V
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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:
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:
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial 10-Bit ADCs
20
______________________________________________________________________________________
SINAD dB
(
ENOB = (SINAD - 1.76)/6.02
)
=
20
×
log
Total Harmonic Distortion
Effective Number of Bits
⎡
⎢
⎣
NoiseRMS THDRMS
SignalRMS
+
⎤
⎥
⎦
where V
are the amplitudes of the 2nd through 5th order harmonics.
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.
1
THD
is the fundamental amplitude, and V
=
20
Spurious-Free Dynamic Range
×
log
⎛
⎜
⎜
⎜
⎝
⎛
⎜
⎜
⎝
V
2
2
+
V
3
2
V
+
1
V
4
2
+
V
5
2
⎞
⎟
⎟
⎠
2
⎞
⎟
⎟
⎟
⎠
through V
5