LTC1045CSW#TRMPBF Linear Technology, LTC1045CSW#TRMPBF Datasheet - Page 4

• Manufacturer Part Number: LTC1045CSW#TRMPBF
• Manufacturer: Linear Technology

Specifications of LTC1045CSW#TRMPBF

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SOIC W
• Lead Free Status / RoHS Status: Compliant

PIN
LTC1045
V
IN1 to IN7 (Pins 2 to 7): Six Comparator Inputs; Voltage
Range = V
V
(Inputs 5,6); Voltage Range = V
V
(Inputs 1 to 4); Voltage Range = V
V
TEST CIRCUITS
4
OH
TRIP2
TRIP1
–
U
(Pin 10): Comparator Negative Supply.
(Pin 1): High Level to which the Output Switches.
V
OUTPUT
TRIP
V
Figure 1. Response Time Test Circuit
FUNCTIONS
IN
(Pin 9): Trip Point for First Four Comparators
(Pin 8): Trip Point for Last Two Comparators
V
V
= 1.2V
TRIP
IN
I
I
SET
SET
V
–100mV
Figure 2. Latch Test Circuit
IN
–
100mV
U
= 1.2V
1.3V
1.2V
1.1V
2.5V
V
5V
0V
TRIP
to V
V
5V
0V
5V
0V
IN
–
+
–
t
10%
+ 18V.
r
t
5V
V
V
d
+
–
+
–
90%
50%
U
t
HOLD
V
V
5V
OH
OL
90%
10%
t
SETUP
t
f
t
d
–
to V
50%
1045 F02
–
50pF
to V
OUTPUT
t
r
= t
+
f
1045 F01
– 2V.
+
10ns
– 2V.
DISABLE
DISABLE
DISABLE
V
V
+
+
+
–
V
I
pin to V
shut off completely and 3) when forced to V
latched.
DISABLE (Pin 13): When high, outputs are Hi-Z.
OUT6 to OUT1 (Pins 14 to 19): Six Driver Outputs.
V
SET
OL
t
+
t
t
ACC
OH
IH
(Pin 20): Comparator Positive Supply.
(Pin 11): Low Level to which the Output Switches.
(Pin 12): This has three functions: 1) R
10pF
Figure 3. Three-State Output Test Circuit
Conditions: V
–
sets bias current, 2) when forced to V
V
V
OH
OL
10k
10k
50pF
10pF
OUTPUT
OUTPUT
OUTPUT
+
= V
OH
= 5V, V
OUTPUTS
OUTPUTS
OUTPUTS
DISABLE
DISABLE
DISABLE
–5V
–5V
–5V
5V
0V
5V
5V
5V
–
= V
10%
10%
OL
90%
= 0V
50%
50%
50%
90%
90%
t
t
OH
IH
t
t
SET
+
r
r
10%
outputs are
10ns
10ns
t
ACC
+
t
r
from this
power is
90%
10%
10ns
1045fc
1045 F03a
1045 F03b
1045 F03c