MAX1449 查看數據表（PDF） - Maxim Integrated
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MAX1449 Datasheet PDF : 18 Pages
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10-Bit, 105Msps, Single +3.3V, Low-Power
ADC with Internal Reference
CLK
ANALOG
INPUT
tAD
tAJ
SAMPLED
DATA (T/H)
Spurious-Free Dynamic Range (SFDR)
SFDR is the ratio expressed in decibels of the RMS
amplitude of the fundamental (maximum signal compo-
nent) to the RMS value of the next largest spurious
component, excluding DC offset.
Intermodulation Distortion (IMD)
The two-tone IMD is the ratio expressed in decibels of
either input tone to the worst 3rd-order (or higher) inter-
modulation products. The individual input tone levels
are at -6.5dB full scale and their envelope is at -0.5dB
full scale.
T/H TRACK
HOLD
TRACK
Figure 10. T/H Aperture Timing
Total Harmonic Distortion (THD)
THD is typically the ratio of the RMS sum of the first five
harmonics of the input signal to the fundamental itself.
This is expressed as:
THD = 20 × log
(V22
+
V32 +
V1
V42
+
V52
)
where V1 is the fundamental amplitude, and V2 through
V5 are the amplitudes of the 2nd- through 5th-order
harmonics.
Chip Information
TRANSISTOR COUNT: 5684
PROCESS: CMOS
Pin Configuration
TOP VIEW
REFN 1
COM 2
VDD 3
GND 4
GND 5
IN+ 6
IN- 7
GND 8
32 31 30 29 28 27 26 25
MAX1449
24 D4
23 OGND
22 T.P.
21 OVDD
20 D5
19 D6
18 D7
17 D8
9 10 11 12 13 14 15 16
TQFP
16 ______________________________________________________________________________________
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