LTC1400
2
1400fa
Supply Voltage (VCC) ..................................................7V
Negative Supply Voltage (VSS)..................... –6V to GND
Total Supply Voltage (VCC to VSS)
Bipolar Operation Only..........................................12V
Analog Input Voltage (Note 3)
Unipolar Operation....................–0.3V to (VCC + 0.3V)
Bipolar Operation........... (VSS – 0.3V) to (VCC + 0.3V)
Digital Input Voltage (Note 4)
Unipolar Operation................................. –0.3V to 12V
Bipolar Operation.........................(VSS – 0.3V) to 12V
Digital Output Voltage
Unipolar Operation....................–0.3V to (VCC + 0.3V)
Bipolar Operation........... (VSS – 0.3V) to (VCC + 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 specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Positive Supply Voltage (Note 6)
Unipolar
Bipolar
4.75
5.25
V
VSS
Negative Supply Voltage (Note 6)
Bipolar Only
–2.45
–5.25
V
ICC
Positive Supply Current
fSAMPLE = 400ksps
Nap Mode
Sleep Mode
●
15
1.0
5.0
30
3.0
20.0
mA
μA
ISS
Negative Supply Current
fSAMPLE = 400ksps, VSS = –5V
Nap Mode
Sleep Mode
●
0.3
0.2
1
0.6
0.5
5
mA
μA
PD
Power Dissipation
fSAMPLE = 400ksps
Nap Mode
Sleep Mode
●
75
6
30
160
20
125
mW
μW
POWER REQUIRE E TS
W
U
ABSOLUTE AXI U RATI GS
W
U
PACKAGE/ORDER I FOR ATIO
U
W
TOP VIEW
VCC
AIN
VREF
GND
VSS
CONV
CLK
DOUT
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
TJMAX = 150°C, θJA = 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
Consult LTC Marketing for parts specied with wider operating temperature ranges.
The ● denotes the specications which apply over the full operating temperature range, otherwise
specications are at TA = 25°C unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 7)
4.75V ≤ VCC ≤ 5.25V (Unipolar)
4.75V ≤ VCC ≤ 5.25V, –5.25V ≤ VSS ≤ –2.45V (Bipolar)
●
0 to 4.096
±2.048
V
IIN
Analog Input Leakage Current
During Conversions (Hold Mode)
●
±1
μA
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
During Conversions (Hold Mode)
45
5
pF
A ALOG I PUT
U