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LTC2913 Folha de dados(PDF) 3 Page - Linear Technology

Nome de Peças LTC2913
Descrição Electrónicos  Temperature Sensor and Dual Voltage Monitor
PDF  20 Pages
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Fabricante Electrônico  LINER [Linear Technology]
Página de início  http://www.linear.com
Logo LINER - Linear Technology

LTC2913 Folha de dados(HTML) 3 Page - Linear Technology

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LTC2995
3
2995f
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C, VCC = 3.3V, unless otherwise noted.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into pins are positive; all voltages are referenced to
GND unless otherwise noted.
Note 3: Remote diode temperature, not LTC2995 temperature.
Note 4: Guaranteed by design and test correlation.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Tconv
Temperature Update Interval
l
3.5
5
ms
KT
VPTAT Slope
Ideality Factor
η = 1.004
4mV/K
VPTAT Load Regulation
ILOAD = ±200μA
±1.5
mV
Tint
Internal Temperature Accuracy
TAMB = –40°C to 125°C
±0.5
±2
±1
°C
°C
TRMT
Remote Temperature Error,
η = 1.004
0°C to 85°C (Notes 3, 4)
–40°C to 0°C (Notes 3, 4)
85°C to 125°C (Notes 3, 4)
±0.25
±0.25
±0.25
±1
±1.5
±1.5
°C
°C
°C
Temperature Noise
0.15
0.01
°CRMS
°CRMS/√Hz
TVCC
Temperature Error vs Supply
l
±0.5
°C/V
TRS
Series Resistance Cancellation Error
RSERIES = 100Ω
l
±0.25
±1
°C
Temperature and Voltage Monitoring
VUOT
Undervoltage/Overvoltage Threshold
l
492
500
508
mV
TOFF
VT1, VT2 Offset
l
–3
–1
1
°C
ΔTHYST
VT1, VT2 Temperature Hysteresis
l
2
5
10
°C
tUOD
UV, OV
Input 5mV Above/Below Threshold
l
0.5
2
ms
IIN
VH1, VL1, VH2, VL2, VT1, VT2, Input Current
l
±20
nA
tUOTO
UV/OV Time-Out-Period
CTMR = TMR Open
CTMR = 1nF
l
5
0.5
10
20
ms
ms
ITMR
TMR Current
l
±2.5
μA
Three State Pins DS, PS
VDS,PS(H,TH) PS, DS Input High Threshold
l VCC – 0.4
VCC – 0.1
V
VDS,PS(H,TL) PS, DS Input Low Threshold
l
0.1
0.4
V
IDS,PS(IN,HL) PS, DS High, Low Input Current
DS, PS at 0V or VCC
l
±4
μA
IDS,PS(IN,Z)
Allowable Leakage Current
l
±1
μA
Digital Outputs
VOH
High Level Output Voltage,
TO1, TO2, UV, OV
I = –0.5μA
l VCC – 1.2
V
VOL
Low Level Output Voltage,
TO1, TO2, UV, OV
I = 3mA
l
0.4
V



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