LTC2494CUHF-PBF LINER [Linear Technology], LTC2494CUHF-PBF Datasheet - Page 4

• Manufacturer Part Number: LTC2494CUHF-PBF
• Description: 16-Bit 8-/16-Channel ?? ADC with PGA and Easy Drive Input Current Cancellation
• Manufacturer: LINER [Linear Technology]

ANALOG INPUT AND REFERENCE
POWER REQUIREMENTS
DIGITAL INPUTS AND DIGITAL OUTPUTS
LTC2494
temperature range, otherwise specifi cations are at T
SYMBOL
IN
IN
V
FS
LSB
REF
REF
V
C
C
C
I
I
I
I
t
QIRR
full operating temperature range, otherwise specifi cations are at T
SYMBOL
V
V
V
V
I
I
C
C
V
V
V
V
I
range, otherwise specifi cations are at T
SYMBOL
V
I
4
DC_LEAK(IN
DC_LEAK(IN
DC_LEAK(REF
DC_LEAK(REF
OPEN
IN
IN
OZ
CC
CC
IN
REF
S(IN+)
S(IN–)
S(VREF)
IH
IL
IH
IL
IN
IN
OH
OL
OH
OL
+
–
+
–
+
–
)
)
+
–
)
)
PARAMETER
Supply Voltage
Supply Current
PARAMETER
Absolute/Common Mode IN
(IN
Absolute/Common Mode IN
(IN
Input Differential Voltage Range (IN
Full Scale of the Differential Input (IN
Least Signifi cant Bit of the Output Code
Absolute/Common Mode REF
Absolute/Common Mode REF
Reference Voltage Range (REF
IN
IN
V
IN
IN
REF
REF
MUX Break-Before-Make
MUX Off Isolation
PARAMETER
High Level Input Voltage (CS, F
Low Level Input Voltage (CS, F
High Level Input Voltage (SCK)
Low Level Input Voltage (SCK)
Digital Input Current (CS, F
Digital Input Current (SCK)
Digital Input Capacitance (CS, F
Digital Input Capacitance (SCK)
High Level Output Voltage (SDO)
Low Level Output Voltage (SDO)
High Level Output Voltage (SCK)
Low Level Output Voltage (SCK)
Hi-Z Output Leakage (SDO)
REF
+
–
+
–
–
+
Sampling Capacitance
Sampling Capacitance
DC Leakage Current
DC Leakage Current
+
–
Corresponds to the Selected Positive Input Channel)
Corresponds to the Selected Negative Input Channel)
Sampling Capacitance
DC Leakage Current
DC Leakage Current
O
+
–
, SDI)
A
Voltage
Voltage
+
–
+
CONDITIONS
Conversion Current (Note 12)
Temperature Measurement (Note 12)
Sleep Mode (Note 12)
O
= 25°C. (Note 3)
O
Voltage
Voltage
O
, SDI)
– REF
, SDI)
, SDI)
+
+
– IN
–
– IN
)
The
–
)
–
A
)
●
= 25°C. (Note 3)
CONDITIONS
2.7V ≤ V
2.7V ≤ V
2.7V ≤ V
2.7V ≤ V
0V ≤ V
0V ≤ V
(Notes 10, 15)
I
I
I
I
denotes the specifi cations which apply over the full operating temperature
O
O
O
O
= –800μA
= 1.6mA
= –800μA (Notes 10, 17)
= 1.6mA (Notes 10, 17)
IN
IN
CC
CC
CC
CC
≤ V
≤ V
The
CONDITIONS
Sleep Mode, IN
Sleep Mode, IN
Sleep Mode, REF
Sleep Mode, REF
V
≤ 5.5V
≤ 5.5V
≤ 5.5V (Notes 10, 15)
≤ 5.5V (Notes 10, 15)
IN
CC
CC
A
= 2V
= 25°C. (Note 3)
●
(Notes 10, 15)
denotes the specifi cations which apply over the full operating
P-P
DC to 1.8MHz
+
–
The
= GND
= GND
+
–
= V
= GND
●
CC
denotes the specifi cations which apply over the
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
V
V
V
V
0.5V
GND – 0.3V
GND – 0.3V
CC
CC
CC
CC
MIN
–10
–10
–10
MIN
FS/2
2.7
–100
–100
– 0.5
– 0.5
– 0.5
– 0.5
GND
MIN
–FS
REF
–10
–10
0.1
0.1
/Gain
16
TYP
TYP
160
200
10
10
1
TYP
120
11
11
11
50
1
1
1
1
REF
V
V
MAX
MAX
CC
CC
275
300
0.5
0.5
0.4
0.4
5.5
10
10
10
2
MAX
+
+FS
V
V
100
100
10
10
+ 0.3V
+ 0.3V
– 0.1V
CC
CC
UNITS
UNITS
UNITS
2494fb
μA
μA
μA
nA
nA
nA
nA
dB
μA
μA
μA
pF
pF
pF
ns
pF
pF
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V