LTC2239C データシートの表示（PDF） - Linear Technology
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LTC2239C Datasheet PDF : 24 Pages
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LTC2239
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
VIN
VIN,CM
IIN
ISENSE
IMODE
tAP
tJITTER
CMRR
PARAMETER
Analog Input Range (AIN+ – AIN–)
Analog Input Common Mode (AIN+ + AIN–)/2
Analog Input Leakage Current
SENSE Input Leakage
MODE Pin Leakage
Sample-and-Hold Acquisition Delay Time
Sample-and-Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
CONDITIONS
2.7V < VDD < 3.4V (Note 7)
Differential Input (Note 7)
Single Ended Input (Note 7)
0V < AIN+, AIN– < VDD
0V < SENSE < 1V
MIN TYP MAX
●
±0.5 to ±1
● 1 1.5 1.9
● 0.5 1.5
2
● –1
1
● –3
3
● –3
3
0
0.2
80
UNITS
V
V
V
µA
µA
µA
ns
psRMS
dB
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
61.6
dB
40MHz Input
● 60 61.6
dB
70MHz Input
61.6
dB
140MHz Input
61.6
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
40MHz Input
85
dB
● 69 85
dB
70MHz Input
85
dB
140MHz Input
80
dB
SFDR
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
40MHz Input
85
dB
● 75 85
dB
70MHz Input
85
dB
140MHz Input
85
dB
S/(N+D) Signal-to-Noise Plus Distortion Ratio
5MHz Input
61.6
dB
40MHz Input
● 60 61.6
dB
70MHz Input
61.6
dB
140MHz Input
61.5
dB
IMD
Intermodulation Distortion
Full Power Bandwidth
fIN1 = 28.2MHz, fIN2 = 26.8MHz
Figure 8 Test Circuit
85
dB
575
MHz
UU
U
I TER AL REFERE CE CHARACTERISTICS (Note 4)
PARAMETER
VCM Output Voltage
VCM Output Tempco
VCM Line Regulation
VCM Output Resistance
CONDITIONS
IOUT = 0
2.7V < VDD < 3.4V
–1mA < IOUT < 1mA
MIN
1.475
TYP
1.500
±25
3
4
MAX
1.525
UNITS
V
ppm/°C
mV/V
Ω
2239fa
3
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