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LTC2208I(RevA) Просмотр технического описания (PDF) - Linear Technology

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LTC2208I
(Rev.:RevA)
Linear
Linear Technology Linear
LTC2208I Datasheet PDF : 32 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LTC2208
U
U
A ALOG I PUT 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
Analog Input Range (AIN+ AIN–)
Analog Input Common Mode
Analog Input Leakage Current
SENSE Input Leakage Current
3.135V ≤ VDD ≤ 3.465V
Differential Input (Note 7)
0V ≤ AIN+, AIN– ≤ VDD
0V ≤ SENSE ≤ VDD
1.5 or 2.25
VP-P
1
1.25
1.5
V
–1
1
µA
–3
3
µA
IMODE
MODE Pin Pull-Down Current to GND
10
µA
ILVDS
LVDS Pin Pull-Down Current to GND
CIN
Analog Input Capacitance
Sample Mode ENC+ < ENC
Hold Mode ENC+ > ENC
10
µA
6.5
pF
1.8
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
70
fs RMS
80
dB
BW-3dB
Full Power Bandwidth
RS < 25Ω
700
MHz
DY A IC ACCURACY The 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)
77.7
dBFS
75.3
dBFS
30MHz Input (2.25V Range, PGA = 0) TA = 25°C
76.5 77.6
dBFS
30MHz Input (2.25V Range, PGA = 0)
76.1 77.3
dBFS
30MHz Input (1.5V Range, PGA = 1)
75.2
dBFS
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
77.5
dBFS
75.1
dBFS
140MHz Input (2.25V Range, PGA = 0)
76.9
dBFS
140MHz Input (1.5V Range, PGA = 1) TA = 25°C
73.8 74.8
dBFS
140MHz Input (1.5V Range, PGA = 1)
73.4 74.5
dBFS
250MHz Input (2.25V Range, PGA = 0)
250MHz Input (1.5V Range, PGA =1 )
75.4
dBFS
73.8
dBFS
SFDR
Spurious Free
5MHz Input (2.25V Range, PGA = 0)
100
dBc
Dynamic Range
5MHz Input (1.5V Range, PGA = 1)
100
dBc
2nd or 3rd Harmonic
30MHz Input (2.25V Range, PGA = 0) TA = 25°C
88
95
dBc
30MHz Input (2.25V Range, PGA = 0)
87
94
dBc
30MHz Input (1.5V Range, PGA = 1)
100
dBc
70MHz Input (2.25V Range, PGA = 0)
70MHz Input (1.5V Range, PGA = 1)
90
dBc
95
dBc
140MHz Input (2.25V Range, PGA = 0)
85
dBc
140MHz Input (1.5V Range, PGA = 1) TA = 25°C
86
90
dBc
140MHz Input (1.5V Range, PGA = 1)
84
89
dBc
250MHz Input (2.25V Range, PGA = 0)
250MHz Input (1.5V Range, PGA = 1)
78
dBc
83
dBc
2208fa
3

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