Datasheet

LTC2282
3
2282fb
ANALOG INPUT
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Analog Input Range (A
IN
+
– A
IN
–
) 2.85V < V
DD
< 3.4V (Note 7)
l
±0.5V to ±1V V
V
IN,CM
Analog Input Common Mode (A
IN
+
+ A
IN
–
)/2 Differential Input Drive (Note 7)
Single Ended Input Drive (Note 7)
l
l
1
0.5
1.5
1.5
1.9
2
V
V
I
IN
Analog Input Leakage Current 0V < A
IN
+
, A
IN
–
< V
DD
l
–1 1 μA
I
SENSE
SENSEA, SENSEB Input Leakage 0V < SENSEA, SENSEB < 1V
l
–3 3 μA
I
MODE
MODE Input Leakage Current 0V < MODE < V
DD
l
–3 3 μA
t
AP
Sample-and-Hold Acquisition Delay Time 0 ns
t
JITTER
Sample-and-Hold Acquisition Delay Time Jitter 0.2 ps
RMS
CMRR Analog Input Common Mode Rejection Ratio 80 dB
Full Power Bandwidth Figure 8 Test Circuit 575 MHz
The l denotes the specifi cations which apply over the full operating temperature range, otherwise
specifi cations are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input 70.1 dB
30MHz Input 70.1 dB
70MHz Input
l
68.5 70 dB
140MHz Input 69.7 dB
SFDR Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input 88 dB
30MHz Input 86 dB
70MHz Input
l
72 84 dB
140MHz Input 79 dB
SFDR Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input 90 dB
30MHz Input 90 dB
70MHz Input
l
79 90 dB
140MHz Input 90 dB
S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 70 dB
30MHz Input 70 dB
70MHz Input
l
67.5 69.9 dB
140MHz Input 68.7 dB
I
MD
Intermodulation Distortion f
IN
= 40MHz, 41MHz 85 dB
Crosstalk f
IN
= 100MHz –110 dB
DYNAMIC ACCURACY
The l denotes the specifi cations which apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C. A
IN
= –1dBFS. (Note 4)
CONVERTER CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 4)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Full-Scale Drift Internal Reference ±30 ppm/°C
External Reference ±5 ppm/°C
Gain Matching External Reference ±0.3 %FS
Offset Matching ±2 mV
Transition Noise SENSE = 1V 0.3 LSB
RMS