LTC2217 查看數據表（PDF） - Linear Technology
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LTC2217 Datasheet PDF : 32 Pages
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LTC2217
ANALOG INPUT The ● 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
ILVDS
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
LVDS 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–
2.75
VP-P
● 1.2
1.575
1.8
V
● –1
1
μA
● –3
3
μA
10
μA
10
μA
9.1
pF
1.8
pF
tAP
Sample-and-Hold
Acquisition Delay Time
0.35
ns
tJITTER
CMRR
Sample-and-Hold
Aperture Jitter
Analog Input
Common Mode Rejection Ratio
1.2V < (AIN+ = AIN–) <1.8V
85
fs RMS
80
dB
BW-3dB
Full Power Bandwidth
RS < 25Ω
400
MHz
DYNAMIC ACCURACY The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS with 2.75V range unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
SNR
Signal-to-Noise Ratio
5MHz Input
81.2
dBFS
15MHz Input, TA = 25°C
15MHz Input
80.4
81.1
dBFS
● 80.1
80.7
dBFS
30MHz Input, TA = 25°C
81.1
dBFS
70MHz Input, TA = 25°C
70MHz Input
79.6
80.4
dBFS
● 79.3
80.1
dBFS
140MHz Input
78.8
dBFS
SFDR
Spurious Free
Dynamic Range
2nd or 3rd Harmonic
5MHz Input
15MHz Input, TA = 25°C
15MHz Input
100
dBc
88
100
dBc
● 87
99
dBc
30MHz Input
95
dBc
70MHz Input, TA = 25°C
70MHz Input
85
92
dBc
● 83
88
dBc
140MHz Input
85
dBc
SFDR
Spurious Free Dynamic Range 5MHz Input
4th Harmonic or Higher
15MHz Input
105
dBc
● 93
105
dBc
30MHz Input
105
dBc
70MHz Input
● 93
103
dBc
140MHz Input
95
dBc
2217f
3
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