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Linear Technology DC1190A-B - LTC2365: 12-bit, 1Msps SAR ADC (req DC590B for DC apps, DC890B for AC apps) DC1190A-B DC1190A-B Data Sheet

Product codes
DC1190A-B
Download
Page of 24
LTC2365/LTC2366
3
23656fb
For more information 
 
The 
l
 denotes the specifications which apply over the full operating 
temperature range, otherwise specifications are at T
A
 = 25°C. (Note 4)
converter characteristics
PARAMETER
CONDITIONS
LTC2365
LTC2366
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Resolution (No Missing Codes)
l
12
12
Bits
Integral Linearity Error
(Note 5, 6)
l
±0.25
±1
±0.25
±1
LSB
Differential Linearity Error
(Note 6)
l
±0.25
±1
±0.25
±1
LSB
Transition Noise
(Note 7)
0.34
0.34
LSB
RMS
Offset Error
(Note 6)
l
2
±3.5
2
±3.5
LSB
Gain Error
(Note 6)
l
1
±2
1
±2
LSB
Total Unadjusted Error
S6 Package (Note 6) 
TS8 Package (Note 6)
l 
l
2 
3
±3.5 
±4.5
2 
3
±3.5 
±4.5
LSB 
LSB
 
The 
l
 denotes the specifications which apply over the full operating temperature range, otherwise 
specifications are at T
A
 = 25°C. (Note 4)
analog inputs
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IN
Analog Input Voltage
S6 Package 
TS8 Package
l 
l
–0.05 
–0.05
V
DD 
+ 0.05 
V
REF
 + 0.05
V 
V
I
IN
Analog Input Leakage Current
CS = High
l
±1
µA
C
IN
Analog Input Capacitance
Between Conversions 
During Conversions
20 
4
pF 
pF
V
REF
Reference Input Voltage
TS8 Package
l
1.4
V
DD 
+ 0.05
V
I
REF
Reference Input Leakage Current
TS8 Package
l
±1
µA
C
REF
Reference Input Capacitance
TS8 Package
4
pF
t
AP
Sample-and-Hold Aperture Delay Time
1
ns
t
JITTER
Sample-and-Hold Aperture Delay Time Jitter
0.3
ns
DynaMic accuracy
 
The 
l
 denotes the specifications which apply over the full operating temperature range, 
otherwise specifications are at T
A
 = 25°C. (Note 4)
SYMBOL PARAMETER
CONDITIONS
LTC2365
LTC2366
UNITS
MIN TYP MAX MIN TYP MAX
SINAD
Signal-to-(Noise + Distortion) Ratio f
IN
 = 1MHz
l
68
72
68
71
dB
SNR
Signal-to-Noise Ratio
f
IN
 = 1MHz
l
70
73
69
72
dB
THD
Total Harmonic Distortion
f
IN
 = 1MHz
l
–86 –72
–80 –72
dB
SFDR
Spurious Free Dynamic Range
f
IN
 = 1MHz
87
82
IMD
Intermodulation Distortion
f
IN1 
= 0.97MHz, f
IN2
 = 1MHz for LTC2366 
f
IN1 
= 97kHz, f
IN2
 = 100kHz for LTC2365
 
–76
–71.5
dB
Full-Power Bandwidth
At 3dB 
At 0.1dB
30 
5
50 
8
MHz 
MHz
Full-Linear Bandwidth
SINAD ≥ 68dB
2
2.5
MHz