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LTC2182 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC2182
Description  12-Bit, 65Msps/ 40Msps/25Msps Low Power Dual ADCs
PDF  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2182 Datasheet(HTML) 5 Page - Linear Technology

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5
21421012p
LTC2142-12/
LTC2141-12/LTC2140-12
INTERNAL REFERENCE CHARACTERISTICS The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
0.5 • VDD – 25mV
0.5 • VDD
0.5 • VDD + 25mV
V
VCM Output Temperature Drift
±25
ppm/°C
VCM Output Resistance
–600μA < IOUT < 1mA
4
Ω
VREF Output Voltage
IOUT = 0
1.225
1.250
1.275
V
VREF Output Temperature Drift
±25
ppm/°C
VREF Output Resistance
–400μA < IOUT < 1mA
7
Ω
VREF Line Regulation
1.7V < VDD < 1.9V
0.6
mV/V
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 5)
SYMBOL
PARAMETER
CONDITIONS
LTC2142-12
LTC2141-12
LTC2140-12
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
SNR
Signal-to-Noise Ratio
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l TBD
70.8
70.8
70.7
70.5
TBD
70.5
70.5
70.4
70.2
TBD
71
71
70.9
70.7
dBFS
dBFS
dBFS
dBFS
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l TBD
89
89
88
84
TBD
89
89
88
84
TBD
89
89
88
84
dBFS
dBFS
dBFS
dBFS
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l TBD
95
95
95
95
TBD
95
95
95
95
TBD
95
95
95
95
dBFS
dBFS
dBFS
dBFS
S/(N+D)
Signal-to-Noise Plus
Distortion Ratio
5MHz Input
30MHz Input
70MHz Input
140MHz Input
l TBD
70.7
70.7
70.6
70.2
TBD
70.4
70.4
70.3
69.9
TBD
70.9
70.9
70.8
70.4
dBFS
dBFS
dBFS
dBFS
Crosstalk
10MHz Input
–110
–110
–110
dBc



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