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LTC2249 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC2249
Description  14-Bit, 80Msps Low Power 3V ADC
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2249 Datasheet(HTML) 3 Page - Linear Technology

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LTC2249
3
2249f
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
73
dB
40MHz Input
●
70.8
73
dB
70MHz Input
73
dB
140MHz Input
72.6
dB
SFDR
Spurious Free Dynamic Range
5MHz Input
90
dB
2nd or 3rd Harmonic
40MHz Input
●
75
90
dB
70MHz Input
90
dB
140MHz Input
85
dB
SFDR
Spurious Free Dynamic Range
5MHz Input
95
dB
4th Harmonic or Higher
40MHz Input
●
81
95
dB
70MHz Input
95
dB
140MHz Input
90
dB
S/(N+D)
Signal-to-Noise Plus Distortion Ratio
5MHz Input
72.9
dB
40MHz Input
●
70.2
72.8
dB
70MHz Input
72.8
dB
140MHz Input
72.1
dB
IMD
Intermodulation Distortion
fIN1 = 28.2MHz, fIN2 = 26.8MHz
90
dB
Full Power Bandwidth
Figure 8 Test Circuit
575
MHz
DY A IC ACCURACY
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
1.475
1.500
1.525
V
VCM Output Tempco
±30
ppm/°C
VCM Line Regulation
2.7V < VDD < 3.4V
3
mV/V
VCM Output Resistance
–1mA < IOUT < 1mA
4
Ω
I TER AL REFERE CE CHARACTERISTICS (Note 4)



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