LTC2202I Ver la hoja de datos (PDF) - Linear Technology
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LTC2202I Datasheet PDF : 32 Pages
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LTC2203/LTC2202
CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Resolution (No missing codes)
16
Integral Linearity Error
Integral Linearity Error
Differential Analog Input (Note 5) TA = 25°C
Differential Analog Input (Note 5)
l
±1.2 ±4.0
LSB
±1.5 ±4.5
LSB
Differential Linearity Error
Differential Analog Input
l
±0.3
±1
LSB
Offset Error
(Note 6)
l
±2
±10
mV
Offset Drift
±10
μV/°C
Gain Error
External Reference
l
±0.2 ±1.5
%FS
Full-Scale Drift
Internal Reference
External Reference
±30
ppm/°C
±15
ppm/°C
Transition Noise
External Reference (2.5V Range, PGA = 0)
1.92
LSBRMS
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
IOE
Analog Input Range (AIN+ – AIN–)
Analog Input Common Mode
Analog Input Leakage Current
SENSE Input Leakage Current
MODE Pin Pull-Down Current to GND
OE Pin Pull-Down Current to GND
3.135V ≤ VDD ≤ 3.465V
Differential Input (Note 7)
0V ≤ AIN+, AIN– ≤ VDD (Note 9)
0V ≤ SENSE ≤ VDD (Note 10)
1.667 or 2.5
VP-P
l1
1.25
1.5
V
l –1
1
μA
l –3
3
μA
10
μA
10
μA
CIN
Analog Input Capacitance
Sample Mode CLK = 0
Hold Mode CLK = 0
10.5
pF
1.4
pF
tAP
Sample-and-Hold
Acquisition Delay Time
0.9
ns
tJITTER
CMRR
Sample-and-Hold
Acquisition Delay Time Jitter
Analog Input
Common Mode Rejection Ratio
1V < (AIN+ = AIN–) <1.5V
200
fSRMS
80
dB
BW-3dB
Full Power Bandwidth
Rs < 20Ω
380
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
LTC2203
LTC2202
MIN TYP MAX MIN TYP MAX
UNITS
SNR
Signal-to-Noise Ratio 1MHz Input (2.25V Range, PGA = 0)
1MHz Input (1.667V Range, PGA = 1)
81.6
81.6
dBFS
79.4
79.4
dBFS
5MHz Input (2.5V Range, PGA = 0)
l 80 81.6
80 81.6
dBFS
5MHz Input (1.667V Range, PGA = 1)
79.4
79.4
dBFS
12.5MHz Input (2.5V Range, PGA = 0)
81.4
12.5MHz Input (1.667V Range, PGA = 1)
79.3
81.4
dBFS
79.3
dBFS
30MHz Input (2.5V Range, PGA = 0)
80.8
80.8
dBFS
30MHz Input (1.667V Range, PGA = 1)
l 77.5 78.9
77.5 78.9
dBFS
70MHz Input (2.5V Range, PGA = 0)
78.3
70MHz Input (1.667V Range, PGA =1 )
77.2
78.3
dBFS
77.2
dBFS
22032fd
3
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