Datasheet

2
LTC1401
1401fa
ABSOLUTE MAXIMUM RATINGS
W
WW
U
(Notes 1, 2)
Supply Voltage (V
CC
) ................................................. 7V
Analog Input Voltage (Note 3) ..... –0.3V to (V
CC
+ 0.3V)
Digital Input Voltage (Note 4) ....................–0.3V to 12V
Digital Output Voltage .................. –0.3V to (V
CC
+ 0.3V)
Power Dissipation.............................................. 300mW
Operating Ambient Temperature Range
LTC1401C ............................................... 0°C to 70°C
LTC1401I............................................ –40°C to 85°C
Operating Junction Temperature ......................... 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
W
U
U
TOP VIEW
V
CC
A
IN
V
REF
GND
SHDN
CONV
CLK
D
OUT
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage 2.7 3.0 3.6 V
I
CC
Supply Current f
SAMPLE
= 200ksps ● 510 mA
Nap Mode
● 0.5 1.0 mA
Sleep Mode
● 6.5 15 µA
Shutdown Mode ● 4.5 10 µA
P
D
Power Dissipation f
SAMPLE
= 200ksps ● 15 30 mW
Nap Mode
● 1.5 3.0 mW
Sleep Mode
● 19.5 45 µW
Shutdown Mode ● 13.5 30 µW
POWER REQUIRE E TS
W
U
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Analog Input Range ● 0 to 2.048 V
I
IN
Analog Input Leakage Current During Conversions (Hold Mode) ● ±1 µA
C
IN
Analog Input Capacitance Between Conversions (Sample Mode) 45 pF
During Conversions (Hold Mode) 5 pF
PUT
U
IA
A
U
LOG
I TER AL REFERE CE CHARACTERISTICS
U
UU
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
REF
Output Voltage I
OUT
= 0 1.180 1.200 1.220 V
V
REF
Output Tempco I
OUT
= 0 ● ±10 ±45 ppm/°C
V
REF
Line Regulation 2.7V ≤ V
CC
≤ 3.6V 0.01 LSB/ V
V
REF
Load Regulation 0 ≤ ⏐I
OUT
⏐ ≤ 1mA 2 LSB/mA
V
REF
Wake-Up Time from Sleep or Shutdown Mode C
VREF
= 10µF3ms
T
JMAX
= 125°C, θ
JA
= 130°C/W
ORDER PART NUMBER
S8 PART MARKING
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC1401CS8
LTC1401IS8
1401
1401I
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/
The ● denotes specifications which apply over the full operating temperature range,
unless otherwise noted specifications are at T
A
= 25°C. V
CC
= 3V, f
SAMPLE
= 200kHz, t
r
= t
f
= 5ns, unless otherwise specified.
The ● denotes specifications which apply over the full operating temperature range, unless otherwise
noted specifications are at T
A
= 25°C. V
CC
= 3V, f
SAMPLE
= 200kHz, t
r
= t
f
= 5ns, unless otherwise specified.
The
● denotes specifications which apply over the full
operating temperature range, unless otherwise noted specifications are at T
A
= 25°C. V
CC
= 3V, f
SAMPLE
= 200kHz, t
r
= t
f
= 5ns, unless
otherwise specified.