LTC1043
2
1043fa
Supply Voltage ........................................................ 18V
Input Voltage at Any Pin .......... –0.3V ≤ V
IN
≤ V
+
+ 0.3V
Operating Temperature Range
LTC1043C ................................... –40°C ≤ T
A
≤ 85°C
LTC1043M (OBSOLETE).............–55°C ≤ T
A
≤ 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
LTC1043M LTC1043C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
I
S
Power Supply Current Pin 16 Connected High or Low 0.25 0.4 0.25 0.4 mA
● 0.7 0.7 mA
C
OSC
(Pin 16 to V
–
) = 100pF 0.4 0.65 0.4 0.65 mA
● 11mA
I
I
OFF Leakage Current Any Switch, Test Circuit 1 (Note 2) 6 100 6 100 pA
● 6 500 6 nA
R
ON
ON Resistance Test Circuit 2, V
IN
= 7V, 1 = ±0.5mA 240 400 240 400 Ω
V
+
= 10V, V
–
= 0V ● 700 700 Ω
R
ON
ON Resistance Test Circuit 2, V
IN
= 3.1V, 1 = ±0.5mA 400 700 400 700 Ω
V
+
= 5V, V
–
= 0V ● 11kΩ
f
OSC
Internal Oscillator Frequency C
OSC
(Pin 16 to V
–
) = 0pF 185 185 kHz
C
OSC
(Pin 16 to V
–
) = 100pF 20 34 50 20 34 50 kHz
Test Circuit 3
● 15 75 15 75 kHz
I
OSC
Pin Source or Sink Current Pin 16 at V
+
or V
–
40 70 40 70 µA
● 100 100 µA
Break-Before-Make Time 25 25 ns
Clock to Switching Delay C
OSC
Pin Externally Driven 75 75 ns
f
M
Max External CLK Frequency C
OSC
Pin Externally Driven with CMOS Levels 5 5 MHz
CMRR Common Mode Rejection Ratio V
+
= 5V, V
–
= –5V, –5V < V
CM
< 5V 120 120 dB
DC to 400Hz
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
ELECTRICAL CHARACTERISTICS
The
●
denotes specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. V
+
= 10V, V
–
= 0V, LTC1043M operates from –55°C ≤ T
A
≤ 125°C; LTC1043C operates from
–40°C ≤ T
A
≤ 85°C, unless otherwise noted.
Note 2: OFF leakage current is guaranteed but not tested at 25°C.
ORDER PART
NUMBER
LTC1043CN
LTC1043CSW
LTC1043MD
LTC1043 • POI01
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
SH
B
C
B
+
C
B
–
V
+
S2B
S1B
S1A
S2A
NC
S3B
V
–
C
OSC
S4B
S4A
S3A
C
A
–
C
A
+
SH
A
N PACKAGE
18-LEAD PDIP
D PACKAGE
18-LEAD SIDE BRAZED (HERMETIC)
TOP VIEW
SW PACKAGE
18-LEAD PLASTIC SO
T
JMAX
= 100°C, θ
JA
= 100°C/W
PACKAGE (N)
T
JMAX
= 150°C, θ
JA
= 85°C/W
PACKAGE (SW)
OBSOLETE PACKAGE
Consider the N18 Package as an Alternate Source
