LTC2298 Linear Technology, LTC2298 Datasheet - Page 3

• Manufacturer Part Number: LTC2298
• Description: (LTC2296 - LTC2298) Low Power 3V ADCs
• Manufacturer: Linear Technology

DY A IC ACCURACY
A ALOG I PUT
otherwise specifications are at T
SYMBOL
V
V
I
I
I
t
t
CMRR
SYMBOL
SNR
SFDR
SFDR
S/(N+D)
I
specifications are at T
IN
SENSE
MODE
AP
JITTER
MD
IN
IN,CM
U
U W
Intermodulation
Distortion
PARAMETER
Signal-to-Noise Ratio
Spurious Free
Dynamic Range
4th Harmonic
or Higher
Signal-to-Noise
Plus Distortion
Ratio
Crosstalk
Spurious Free
Dynamic Range
2nd or 3rd
Harmonic
PARAMETER
Analog Input Range (A
Analog Input Common Mode
Analog Input Leakage Current
SENSEA, SENSEB Input Leakage
MODE Input Leakage Current
Sample-and-Hold Acquisition Delay Time
Sample-and-Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
Full Power Bandwidth
U
A
= 25°C. (Note 4)
The
A
CONDITIONS
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
5MHz Input
12.5MHz Input
20MHz Input
30MHz Input
70MHz Input
140MHz Input
f
Nyquist + 1MHz
f
IN
IN
= 25°C. A
●
= Nyquist,
= Nyquist
IN
denotes the specifications which apply over the full operating temperature range, otherwise
+
–A
The
IN
IN
–
)
●
= –1dBFS. (Note 4)
denotes the specifications which apply over the full operating temperature range,
●
●
●
●
●
●
●
●
●
●
●
●
MIN
72.1
71.6
75
78
CONDITIONS
2.7V < V
Differential Input (Note 7)
0V < A
0V < SENSEA, SENSEB < 1V
0V < MODE < V
Figure 8 Test Circuit
LTC2298
–110
74.3
74.3
74.3
73.9
74.3
74.2
74.1
71.9
TYP
90
90
85
80
90
90
90
90
90
IN
DD
+
, A
LTC2298/LTC2297/LTC2296
< 3.4V (Note 7)
IN
MAX
–
DD
< V
DD
72.4
71.9
MIN
75
80
LTC2297
–110
74.4
74.4
73.9
73.3
74.4
74.3
73.6
71.9
TYP
90
90
85
80
90
90
90
90
90
MAX
●
●
●
●
●
MIN
MIN
72.7
72.2
–1
–3
–3
76
80
1
LTC2296
1V to 2V
–110
74.5
74.2
73.4
74.5
74.2
73.4
71.8
TYP
TYP
575
1.5
0.2
80
73
90
90
85
80
90
90
90
90
90
0
MAX
MAX
1.9
1
3
3
UNITS
UNITS
229876f
ps
3
MHz
RMS
µA
µA
µA
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
V
V