LTC2204I Ver la hoja de datos (PDF) - Linear Technology
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LTC2204I Datasheet PDF : 36 Pages
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LTC2205/LTC2204
ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VIN
VIN, CM
IIN
ISENSE
IMODE
CIN
Analog Input Range (AIN+ – AIN–)
Analog Input Common Mode
Analog Input Leakage Current
SENSE Input Leakage Current
MODE Pin Pull-Down Current to GND
Analog Input Capacitance
3.135V ≤ VDD ≤ 3.465V
Differential Input (Note 7)
0V ≤ AIN+, AIN– ≤ VDD
0V ≤ SENSE ≤ VDD
Sample Mode ENC+ < ENC–
Hold Mode ENC+ > ENC–
l
1.5 to 2.25
VP-P
l1
1.25
1.5
V
l –1
1
μA
l –3
3
μA
10
μA
6.5
pF
1.8
pF
tAP
Sample-and-Hold
Aperture Delay Time
0.7
ns
tJITTER
Sample-and-Hold
Aperture Delay Time Jitter
90
fsRMS
CMRR
Analog Input
Common Mode Rejection Ratio
1V < (AIN+ = AIN–) <1.5V
60
dB
BW-3dB
Full Power Bandwidth
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
LTC2204
LTC2205
MIN TYP MAX MIN TYP MAX UNITS
SNR
Signal-to-Noise Ratio
5MHz Input (2.25V Range, PGA = 0)
79.1
5MHz Input (1.5V Range, PGA = 1)
76.5
79.0
dBFS
76.4
dBFS
15MHz Input (2.25V Range, PGA = 0) l 77.6 79.0
77.5 78.9
dBFS
15MHz Input (2.25V Range, PGA = 0)
78 79.0
77.9 78.9
dBFS
15MHz Input (1.5V Range, PGA = 1)
76.5
76.4
dBFS
70MHz Input (2.25V Range, PGA = 0)
78.5
78.4
dBFS
70MHz Input (1.5V Range, PGA = 1) l 74.6 76.3
74.6 76.2
dBFS
70MHz Input (1.5V Range, PGA = 1)
75
75
dBFS
140MHz Input (2.25V Range, PGA = 0)
77.4
140MHz Input (1.5V Range, PGA = 1)
75.5
77.3
dBFS
75.4
dBFS
170MHz Input (2.25V Range, PGA = 0)
76.5
170MHz Input (1.5V Range, PGA = 1)
74.9
76.5
dBFS
74.8
dBFS
SFDR Spurious Free
5MHz Input (2.25V Range, PGA = 0)
100
100
dB
Dynamic Range
5MHz Input (1.5V Range, PGA = 1)
100
100
dB
2nd or 3rd
Harmonic
15MHz Input (2.25V Range, PGA = 0) l 87 100
87 100
dB
15MHz Input (2.25V Range, PGA = 0
88 100
88 100
dB
15MHz Input (1.5V Range, PGA = 1)
100
100
dB
70MHz Input (2.25V Range, PGA = 0)
92
92
dB
70MHz Input (1.5V Range, PGA = 1) l 84.5 94
84.5 94
dB
70MHz Input (1.5V Range, PGA = 1)
86
94
86
94
dB
140MHz Input (2.25V Range, PGA = 0)
89
140MHz Input (1.5V Range, PGA = 1)
92
89
dB
92
dB
170MHz Input (2.25V Range, PGA = 0)
82
170MHz Input (1.5V Range, PGA = 1)
84
82
dB
84
dB
22054fc
3
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