LTC2274IUJ-TR(RevB) Ver la hoja de datos (PDF) - Linear Technology
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LTC2274IUJ-TR Datasheet PDF : 40 Pages
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LTC2274
ANALOG INPUT The l denotes denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL
VIN
VIN, CM
IIN
ISENSE
CIN
PARAMETER
Analog Input Range (AIN+ – AIN–)
Analog Input Common Mode
Analog Input Leakage Current
SENSE Input Leakage Current
Analog Input Capacitance
CONDITIONS
3.135V ≤ VDD ≤ 3.465V
Differential Input (Note 7)
0V ≤ AIN+, AIN– ≤ VDD (Note 10)
0V ≤ SENSE ≤ VDD (Note 11)
Sample Mode ENC+ < ENC–
Hold Mode ENC+ > ENC–
MIN
TYP
MAX
l
1.5 or 2.25
l
1
1.25
1.5
l –1
1
–3
3
6.7
1.8
UNITS
VP-P
V
μA
μA
pF
pF
tAP
Sample-and-Hold
Acquisition Delay Time
1
ns
tJITTER
CMRR
Sample-and-Hold
Acquisition Delay Time Jitter
Analog Input
Common Mode Rejection Ratio
1V < (AIN+ = AIN–) <1.5V
80
fsRMS
80
dB
BW-3dB
Full Power Bandwidth
RS ≤ 25Ω
700
MHz
DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
77.6
dBFS
75.4
dBFS
15MHz Input (2.25V Range, PGA = 0), TA = 25°C
76.5
77.5
dBFS
15MHz Input (2.25V Range, PGA = 0)
l 76.2
77.2
dBFS
15MHz Input (1.5V Range, PGA = 1)
75.3
dBFS
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
77.2
dBFS
75.1
dBFS
140MHz Input (2.25V Range, PGA = 0)
76.3
dBFS
140MHz Input (1.5V Range, PGA = 1), TA = 25°C
73.8
74.5
dBFS
140MHz Input (1.5V Range, PGA = 1)
l 73.4
74.2
dBFS
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
75.9
dBFS
74.3
dBFS
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input (2.25V Range, PGA = 0)
5MHz Input (1.5V Range, PGA = 1)
100
dBc
100
dBc
15MHz Input (2.25V Range, PGA = 0), TA = 25°C
85
95
dBc
15MHz Input (2.25V Range, PGA = 0)
l
84
95
dBc
15MHz Input (1.5V Range, PGA = 1)
100
dBc
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
86
dBc
94
dBc
140MHz Input (2.25V Range, PGA = 0)
85
dBc
140MHz Input (1.5V Range, PGA = 1), TA = 25°C
81
90
dBc
140MHz Input (1.5V Range, PGA = 1)
l
80
89
dBc
170MHz Input (2.25V Range, PGA = 0)
170MHz Input (1.5V Range, PGA = 1)
80
dBc
85
dBc
2274fb
3
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