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LTC2221 데이터시트(PDF) 3 Page - Linear Technology

부품명 LTC2221
상세설명  12-Bit,170Msps/ 135Msps ADCs
PDF  32 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC2221 데이터시트(HTML) 3 Page - Linear Technology

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LTC2220/LTC2221
3
22201fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN
+ – AIN–)
3.1V < VDD < 3.5V (Note 7)
●
±0.5 to ±1V
VIN, CM
Analog Input Common Mode (AIN
+ + AIN–)/2
Differential Input (Note 7)
●
1
1.6
1.9
V
Single Ended Input (Note 7)
●
0.5
1.6
2.1
V
IIN
Analog Input Leakage Current
0 < AIN+, AIN– < VDD
●
–1
1
µA
ISENSE
SENSE Input Leakage
0V < SENSE < 1V
●
–1
1
µA
IMODE
MODE Pin Pull-Down Current to GND
10
µA
ILVDS
LVDS Pin Pull-Down Current to GND
10
µA
tAP
Sample and Hold Acquisition Delay Time
0
ns
tJITTER
Sample and Hold Acquisition Delay Time Jitter
0.15
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
Full Power Bandwidth
Figure 8 Test Circuit
775
MHz
LTC2220
LTC2221
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input (1V Range)
62.7
62.8
dB
(Note 10)
5MHz Input (2V Range)
67.7
67.8
dB
70MHz Input (1V Range)
62.7
62.8
dB
70MHz Input (2V Range)
●
65.8
67.6
65.8
67.8
dB
140MHz Input (1V Range)
62.4
62.5
dB
140MHz Input (2V Range)
67.5
67.5
dB
250MHz Input (1V Range)
61.8
61.8
dB
250MHz Input (2V Range)
66.1
66.1
dB
SFDR
Spurious Free Dynamic Range 5MHz Input (1V Range)
84
84
dB
2nd or 3rd Harmonic
5MHz Input (2V Range)
84
84
dB
70MHz Input (1V Range)
84
84
dB
70MHz Input (2V Range)
●
70
84
70
84
dB
140MHz Input (1V Range)
84
84
dB
140MHz Input (2V Range)
84
84
dB
250MHz Input (1V Range)
74
77
dB
250MHz Input (2V Range)
73
77
dB
SFDR
Spurious Free Dynamic Range 5MHz Input (1V Range)
90
90
dB
4th Harmonic or Higher
5MHz Input (2V Range)
90
90
dB
70MHz Input (1V Range)
90
90
dB
70MHz Input (2V Range)
●
75
90
75
90
dB
140MHz Input (1V Range)
87
90
dB
140MHz Input (2V Range)
87
90
dB
250MHz Input (1V Range)
85
90
dB
250MHz Input (2V Range)
85
90
dB
S/(N+D)
Signal-to-Noise Plus
5MHz Input (1V Range)
62.7
62.8
dB
Distortion Ratio (Note 12)
5MHz Input (2V Range)
67.5
67.6
dB
70MHz Input (1V Range)
62.7
62.8
dB
70MHz Input (2V Range)
●
65
67.3
65
67.4
dB
IMD
Intermodulation Distortion
fIN1 = 138MHz, fIN2 = 140MHz
81
81
dBc
A ALOG I PUT
DY A IC ACCURACY
The
● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
The
● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
(Note 11)
(Note 11)



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