Datasheet

LTC1400
2
1400fa
Supply Voltage (V
CC
) ..................................................7V
Negative Supply Voltage (V
SS
) ..................... –6V to GND
Total Supply Voltage (V
CC
to V
SS
)
Bipolar Operation Only ..........................................12V
Analog Input Voltage (Note 3)
Unipolar Operation ....................–0.3V to (V
CC
+ 0.3V)
Bipolar Operation ........... (V
SS
– 0.3V) to (V
CC
+ 0.3V)
Digital Input Voltage (Note 4)
Unipolar Operation ................................. –0.3V to 12V
Bipolar Operation .........................(V
SS
– 0.3V) to 12V
Digital Output Voltage
Unipolar Operation ....................–0.3V to (V
CC
+ 0.3V)
Bipolar Operation ........... (V
SS
– 0.3V) to (V
CC
+ 0.3V)
Power Dissipation .............................................. 500mW
Operation Temperature Range
LTC1400C ................................................ 0°C to 70°C
LTC1400I ............................................. –40°C to 85°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1, 2)
The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C unless otherwise noted. (Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Positive Supply Voltage (Note 6) Unipolar
Bipolar
4.75
4.75
5.25
5.25
V
V
V
SS
Negative Supply Voltage (Note 6) Bipolar Only –2.45 –5.25 V
I
CC
Positive Supply Current f
SAMPLE
= 400ksps
Nap Mode
Sleep Mode
●
●
●
15
1.0
5.0
30
3.0
20.0
mA
mA
μA
I
SS
Negative Supply Current f
SAMPLE
= 400ksps, V
SS
= –5V
Nap Mode
Sleep Mode
●
●
●
0.3
0.2
1
0.6
0.5
5
mA
mA
μA
P
D
Power Dissipation f
SAMPLE
= 400ksps
Nap Mode
Sleep Mode
●
●
●
75
6
30
160
20
125
mW
mW
μW
POWER REQUIRE E TS
WU
ABSOLUTE AXI U RATI GS
W
W W
U
PACKAGE/ORDER I FOR ATIO
U UW
TOP VIEW
V
CC
A
IN
V
REF
GND
V
SS
CONV
CLK
D
OUT
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
T
JMAX
= 150°C, θ
JA
= 130°C/W
ORDER PART NUMBER S8 PART MARKING
LTC1400CS8
LTC1400IS8
1400
1400I
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
The ● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C unless otherwise noted. (Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Analog Input Range (Note 7) 4.75V ≤ V
CC
≤ 5.25V (Unipolar)
4.75V ≤ V
CC
≤ 5.25V, –5.25V ≤ V
SS
≤ –2.45V (Bipolar)
●
●
0 to 4.096
±2.048
V
V
I
IN
Analog Input Leakage Current During Conversions (Hold Mode)
●
±1 μA
C
IN
Analog Input Capacitance Between Conversions (Sample Mode)
During Conversions (Hold Mode)
45
5
pF
pF
A ALOG I PUT
UU