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LM56_15 Datasheet, PDF (4/22 Pages) Texas Instruments – LM56 Dual Output Low Power Thermostat
LM56
SNIS120G – APRIL 2000 – REVISED FEBRUARY 2013
www.ti.com
LM56 Electrical Characteristics
The following specifications apply for V+ = 2.7 VDC, and VREF load current = 50 μA unless otherwise specified. Boldface limits
apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C unless otherwise specified.
Symbol
Parameter
Conditions
Typical (1)
LM56BIM
Limits (2)
LM56CIM
Limits (2)
Units (Limits)
Temperature Sensor
Trip Point Accuracy (Includes VREF,
Comparator Offset, and Temperature
Sensitivity errors)
Trip Point Hysteresis
+25°C ≤ TA ≤ +85°C
−40°C ≤ TA ≤ +125°C
TA = −40°C
±2
±3
°C (max)
±2
±3
°C (max)
±3
±4
°C (max)
4
3
3
°C (min)
6
6
°C (max)
TA = +25°C
5
3.5
3.5
°C (min)
6.5
6.5
°C (max)
TA = +85°C
6
4.5
4.5
°C (min)
7.5
7.5
°C (max)
TA = +125°C
6
4
4
°C (min)
8
8
°C (max)
Internal Temperature Sensitivity
+6.20
mV/°C
Temperature Sensitivity Error
±2
±3
°C (max)
±3
±4
°C (max)
Output Impedance
Line Regulation
−1 μA ≤ IL ≤ +40 μA
+3.0V ≤ V+ ≤ +10V,
+25 °C ≤ TA ≤ +85 °C
+3.0V ≤ V+ ≤ +10V,
−40 °C ≤ TA <25 °C
+2.7V ≤ V+ ≤ +3.3V
1500
1500
–0.72/+0.3 –0.72/+0.3
6
6
–1.14/+0.6 –1.14/+0.6
1
1
±2.3
±2.3
Ω (max)
mV/V (max)
mV/V (max)
mV (max)
VT1 and VT2 Analog Inputs
IBIAS
Analog Input Bias Current
VIN
Analog Input Voltage Range
150
300
V+ − 1
GND
300
nA (max)
V
V
VOS
Comparator Offset
VREF Output
VREF
VREF Nominal
VREF Error
ΔVREF/ΔV+ Line Regulation
+3.0V ≤ V+ ≤ +10V
+2.7V ≤ V+ ≤ +3.3V
2
1.250V
0.13
0.15
8
±1
±12.5
0.25
1.1
8
±1
±12.5
0.25
1.1
mV (max)
V
% (max)
mV (max)
mV/V (max)
mV (max)
ΔVREF/ΔIL Load Regulation Sourcing
+30 μA ≤ IL ≤ +50 μA
0.15
0.15
mV/μA (max)
(1) Typicals are at TJ = TA = 25°C and represent most likely parametric norm.
(2) Limits are guaranteed to TI's AOQL (Average Outgoing Quality Level).
Symbol
V+ Power Supply
Parameter
IS
Supply Current
Digital Outputs
IOUT(“1”)
VOUT(“0”)
Logical “1” Output Leakage Current
Logical “0” Output Voltage
Conditions
V+ = +10V
V+ = +2.7V
V+ = +5.0V
IOUT = +50 μA
Typical (1)
Limits (2)
230
230
1
0.4
Units (Limits)
μA (max)
μA (max)
μA (max)
V (max)
(1) Typicals are at TJ = TA = 25°C and represent most likely parametric norm.
(2) Limits are guaranteed to TI's AOQL (Average Outgoing Quality Level).
4
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