Техническая Спецификация для Linear Technology DC1190A-D - LTC2361: 12-bit, 250ksps SAR ADC (req DC590B for DC apps, DC890B for AC apps) DC1190A-D DC1190A-D
Модели
DC1190A-D
LTC2360/LTC2361/LTC2362
3
236012fa
CONVERTER CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
l
12
Bits
Integral Linearity Error
(Notes 5, 6)
l
±0.25
±1
LSB
Differential Linearity Error
(Note 6)
l
±0.25
±1
LSB
Transition Noise
(Note 7)
0.25
LSB
RMS
Offset Error
(Note 6)
l
1
±3.5
LSB
Gain Error
(Note 6)
l
0.1
±2
LSB
Total Unadjusted Error
(Note 6)
l
1.1
±3.5
LSB
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
V
IN
Analog Input Voltage
S6 Package
TS8 Package
TS8 Package
l
l
–0.05
–0.05
–0.05
V
DD
+ 0.05
V
REF
+ 0.05
V
I
IN
Analog Input Leakage Current
CONV = High
l
±1
μA
C
IN
Analog Input Capacitance
Between Conversions
During Conversions
During Conversions
20
4
pF
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
20
pF
t
AP
Sample-and-Hold Aperture Delay Time
1
ns
t
JITTER
Sample-and-Hold Aperture Delay Time Jitter
0.3
ns
ANALOG INPUT
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)
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. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SINAD
Signal-to-(Noise + Distortion) Ratio
f
IN
= 49kHz for LTC2360/LTC2361,
f
IN
= 100kHz for LTC2362
72
dB
SNR
Signal-to-Noise Ratio
f
IN
= 49kHz for LTC2360/LTC2361,
f
IN
= 100kHz for LTC2362
73
dB
THD
Total Harmonic Distortion
f
IN
= 49kHz for LTC2360/LTC2361,
f
IN
= 100kHz for LTC2362
–85
dB
SFDR
Spurious Free Dynamic Range
f
IN
= 49kHz for LTC2360/LTC2361,
f
IN
= 100kHz for LTC2362
86
dB
IMD
Intermodulation Distortion
f
IN1
= 97kHz, f
IN2
= 100kHz for LTC2362
f
IN1
= 47kHz, f
IN2
= 49kHz for LTC2360/LTC2361
–75
dB
Full-Power Bandwidth
at 3dB
at 0.1dB
at 0.1dB
10
2
MHz
MHz
MHz
Full-Linear Bandwidth
SINAD ≥ 68dB
1
MHz