LTC2439-1 Linear Technology, LTC2439-1 Datasheet - Page 3

• Manufacturer Part Number: LTC2439-1
• Description: 8-/16-Channel 16-Bit No Latency Delta-Sigma ADC
• Manufacturer: Linear Technology

CO VERTER CHARACTERISTICS
temperature range, otherwise specifications are at T
PARAMETER
Input Common Mode Rejection DC
Input Common Mode Rejection
49Hz to 61.2Hz
Input Normal Mode Rejection
49Hz to 61.2Hz
Reference Common Mode
Rejection DC
Power Supply Rejection, DC
Power Supply Rejection,
Simultaneous 50Hz/60Hz 2%
A ALOG I PUT A D REFERE CE
temperature range, otherwise specifications are at T
SYMBOL
IN
IN
V
REF
REF
V
C
C
C
C
I
I
I
I
t
I
DC_LEAK
DC_LEAK
DC_LEAK
DC_LEAK
OPEN
S(OFF)
IN
REF
S
S
S
S
+
–
U
(IN
(IN
(REF
(REF
+
–
U
+
–
)
)
+
–
(IN
(IN
(REF
(REF
)
)
+
–
)
)
+
–
)
)
PARAMETER
Absolute/Common Mode IN
Absolute/Common Mode IN
Input Differential Voltage Range
(IN
Absolute/Common Mode REF
Absolute/Common Mode REF
Reference Differential Voltage Range
(REF
IN
IN
REF
REF
IN
IN
REF
REF
(R
MUX Break-Before-Make Interval
Channel Off Leakage Current
Off Channel to On Channel Isolation
U
+
–
+
–
IN
+
Sampling Capacitance
Sampling Capacitance
DC Leakage Current
DC Leakage Current
+
–
+
–
– IN
+
= 100 )
Sampling Capacitance
Sampling Capacitance
DC Leakage Current
DC Leakage Current
– REF
–
)
–
)
U
CONDITIONS
2.5V REF
GND IN
2.5V REF
GND IN
(Note 5)
2.5V REF
V
REF
REF
REF
+
+
= 2.5V, IN
= 2.5V, REF
= 2.5V, REF
+
–
–
–
+
+
+
Voltage
Voltage
= IN
+
–
= IN
Voltage
Voltage
V
V
V
–
+
+
CC
CC
CC
= IN
–
–
, REF
, REF
, GND REF
V
= GND, IN
= GND, IN
V
CC
CC
+
A
A
= GND (Note 5)
, (Note 5)
(Note 5)
U
–
–
= 25 C. (Notes 3, 4)
= 25 C. (Note 3)
= GND,
= GND,
CONDITIONS
CS = V
CS = V
CS = V
CS = V
DC
1Hz
f
2.7V V
Channel at V
S
= 15,3600Hz
–
–
The
= IN
= IN
–
CC
CC
CC
CC
2.5V,
+
+
CC
The
= 5.5V, IN
= 5.5V, IN
= 5.5V, REF
= 5.5V, REF
= GND
= GND
denotes specifications which apply over the full operating
CC
5.5V
and GND
denotes specifications which apply over the full operating
+
–
= GND
= 5V
+
–
= GND
= 5V
GND – 0.3
GND – 0.3
– V
–100
–100
–100
–100
–100
GND
MIN
0.1
0.1
REF
MIN
130
140
130
87
/2
TYP
140
140
120
120
TYP
140
140
140
100
18
18
18
18
1
1
1
1
1
LTC2439-1
MAX
V
V
V
CC
CC
V
CC
MAX
REF
100
100
100
100
100
V
V
CC
CC
+ 0.3
+ 0.3
– 0.1
/2
UNITS
UNITS
24391f
3
dB
dB
dB
dB
dB
dB
nA
nA
nA
nA
dB
dB
dB
nA
pF
pF
pF
pF
ns
V
V
V
V
V
V