LTC1540C View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1540C Datasheet PDF : 12 Pages
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LTC1540
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V + = 5V, V – = GND = 0V, TA = 25°C unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
VHYST
tPD
Hysteresis Input Voltage Range
Propagation Delay
VOH
Output High Voltage
VOL
Output Low Voltage
Reference
VREF Reference Voltage
COUT = 100pF
IO = – 13mA
IO = 1.8mA
Overdrive = 10mV
Overdrive = 100mV
● REF – 50mV
REF
V
60
µs
50
µs
● V + – 0.4V
V
●
GND + 0.4V
V
No Load
(SO-8)/(DFN) Commercial
● 1.158 1.182 1.206
V
MS8 Commercial
● 1.156 1.182 1.208
V
(SO-8)/(MS8)/(DFN) Industrial ● 1.152 1.182 1.212
V
∆VREF Load Regulation
0 ≤ ISOURCE ≤ 100µA
0 ≤ ISINK ≤ 10µA
●
0.5
2.5
mV
0.5
1.5
mV
●
5
mV
V + = 3V, V – = GND = 0V, TA = 25°C unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
Power Supply
V+
Supply Voltage Range
ICC
Supply Current
Comparator
VOS
Comparator Input Offset Voltage
IN + = IN – = 80mV, HYST = REF, C-Grade
IN + = IN – = 80mV, HYST = REF, I-Grade
VCM = 2.5V
LTC1540CMS8/IMS8
IIN
Input Leakage Current (IN +, IN –)
Input Leakage Current (HYST)
VIN + = VIN– = 1.5V
VCM Comparator Input Common Mode Range
CMRR Common Mode Rejection Ratio
V – to V + – 1.3V
PSRR Power Supply Rejection Ratio
V + = 2V to 11V
VHYST
tPD
Hysteresis Input Voltage Range
Propagation Delay
COUT = 100pF
Overdrive = 10mV
Overdrive = 100mV
VOH
Output High Voltage
VOL
Output Low Voltage
Reference
IO = – 8mA
IO = 0.8mA
VREF Reference Voltage
No Load
(SO-8)/(DFN) Commercial
MS8 Commercial
(SO-8)/(MS8)/(DFN) Industrial
∆VREF Load Regulation
0 ≤ ISOURCE ≤ 100µA
0 ≤ ISINK ≤ 10µA
●
2
11
●
0.28 0.61
●
0.64
±12
●
± 15
●
±16
●
±0.01 ±1
●
±0.02 ±1
●
V–
V + – 1.3V
0.1
1
0.1
1
● REF – 50mV
REF
70
60
● V + – 0.4V
●
GND + 0.4V
● 1.158 1.182 1.206
● 1.156 1.182 1.208
● 1.152 1.182 1.212
●
0.75
3.5
0.5
1.5
●
5
V
µA
µA
mV
mV
mV
nA
nA
V
mV/V
mV/V
V
µs
µs
V
V
V
V
V
mV
mV
mV
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The θJA specified for the DD package is with minimal PCB heat
spreading metal. Using expanded metal area on all layers of a board
reduces this value.
sn1540 1540fas
3
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