Техническая Спецификация для Linear Technology LTC2412CGN, 2 Channel 24-Bit Differential ADC (req DC590) DC746A DC746A
Модели
DC746A
LTC2412
3
2412f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN
+
Absolute/Common Mode IN
+
Voltage
●
GND – 0.3
V
CC
+ 0.3
V
IN
–
Absolute/Common Mode IN
–
Voltage
●
GND – 0.3
V
CC
+ 0.3
V
V
IN
Input Differential Voltage Range
●
–V
REF
/2
V
REF
/2
V
(IN
+
– IN
–
)
REF
+
Absolute/Common Mode REF
+
Voltage
●
0.1
V
CC
V
REF
–
Absolute/Common Mode REF
–
Voltage
●
GND
V
CC
– 0.1
V
V
REF
Reference Differential Voltage Range
●
0.1
V
CC
V
(REF
+
– REF
–
)
C
S
(IN
+
)
IN
+
Sampling Capacitance
18
pF
C
S
(IN
–
)
IN
–
Sampling Capacitance
18
pF
C
S
(REF
+
)
REF
+
Sampling Capacitance
18
pF
C
S
(REF
–
)
REF
–
Sampling Capacitance
18
pF
I
DC_LEAK
(IN
+
)
IN
+
DC Leakage Current
CS = V
CC
= 5.5V, IN
+
= GND
●
–10
1
10
nA
I
DC_LEAK
(IN
–
)
IN
–
DC Leakage Current
CS = V
CC
= 5.5V, IN
–
= 5.5V
●
–10
1
10
nA
I
DC_LEAK
(REF
+
)
REF
+
DC Leakage Current
CS = V
CC
= 5.5V, REF
+
= 5.5V
●
–10
1
10
nA
I
DC_LEAK
(REF
–
)
REF
–
DC Leakage Current
CS = V
CC
= 5.5V, REF
–
= GND
●
–10
1
10
nA
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 3)
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (Notes 3, 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Common Mode Rejection DC
2.5V
≤
REF
+
≤
V
CC
, REF
–
= GND,
●
130
140
dB
GND
≤
IN
–
= IN
+
≤
V
CC
(Note 5)
Input Common Mode Rejection
2.5V
≤
REF
+
≤
V
CC
, REF
–
= GND,
●
140
dB
60Hz
±
2%
GND
≤
IN
–
= IN
+
≤
V
CC
, (Notes 5, 7)
Input Common Mode Rejection
2.5V
≤
REF
+
≤
V
CC
, REF
–
= GND,
●
140
dB
50Hz
±
2%
GND
≤
IN
–
= IN
+
≤
V
CC
, (Notes 5, 8)
Input Normal Mode Rejection
(Notes 5, 7)
●
110
140
dB
60Hz
±
2%
Input Normal Mode Rejection
(Note 5, 8)
●
110
140
dB
50Hz
±
2%
Reference Common Mode
2.5V
≤
REF
+
≤
V
CC
, GND
≤
REF
–
≤
2.5V,
●
130
140
dB
Rejection DC
V
REF
= 2.5V, IN
–
= IN
+
= GND (Note 5)
Power Supply Rejection, DC
REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND
120
dB
Power Supply Rejection, 60Hz
±
2% REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND, (Note 7)
120
dB
Power Supply Rejection, 50Hz
±
2% REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND, (Note 8)
120
dB
CO VERTER CHARACTERISTICS
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A ALOG I PUT A
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D REFERE CE
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