Datasheet LT1787, LT1787HV (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Precision, High Side Current Sense Amplifiers |
| Páginas / Página | 16 / 6 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Formato / tamaño de archivo | PDF / 283 Kb |
| Idioma del documento | Inglés |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the temperature range –40. 125
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Versión de texto del documento
LT1787/LT1787HV
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the temperature range –40
°
C
≤
TA
≤
125
°
C, otherwise specifications are at T – A = 25
°
C. Total supply = (VS – VEE) = 2.5V to 36V (LT1787H), 2.5V to 60V (LT1787HVH) unless otherwise specified. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOMIN Minimum Output Voltage VSENSE = 0V, VBIAS = 0V 30 45 mV V + – SENSE = VS – VS = –128mV, VBIAS = 0V 10 mV VSENSE = 0V, VBIAS = 0V ● 30 55 mV V + – SENSE = VS – VS = –128mV, VBIAS = 0V 10 mV Unipolar Output VSENSE = 2mV, VBIAS = 0V 32 50 mV Saturation Voltage VSENSE = 4mV, VBIAS = 0V 38 55 mV VSENSE = 5mV, VBIAS = 0V 43 60 mV VSENSE = 6mV, VBIAS = 0V 49 65 mV VSENSE = 2mV, VBIAS = 0V ● 32 60 mV VSENSE = 4mV, VBIAS = 0V ● 38 65 mV VSENSE = 5mV, VBIAS = 0V ● 43 70 mV VSENSE = 6mV, VBIAS = 0V ● 49 75 mV V + OMAX Maximum Output Voltage VS – 0.75 V RG1A, RG2A Input Gain-Setting Resistor Pin 1 to Pin 2, Pin 7 to Pin 8 1.25 kΩ ROUT Output Resistor Pin 5 to Pin 6 20 kΩ
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings guaranteed functional over the operating temperature range of –40°C to may cause permanent damage to the device. Exposure to any Absolute 125°C. Maximum Rating condition for extended periods may affect device
Note 4:
The LT1787C is guaranteed to meet specified performance from reliability and lifetime. 0°C to 70°C. The LT1787C is designed, characterized and expected to
Note 2:
ESD (Electrostatic Discharge) sensitive devices. Extensive use of meet specified performance from –40°C to 85°C but is not tested or QA ESD protection devices are used internal to the LT1787/LT1787HV, sampled at these temperatures. The LT1787I is guaranteed to meet however, high electrostatic discharge can damage or degrade the device. specified performance from – 40°C to 85°C. The LT1787H is guaranteed to Use proper ESD handling precautions. meet specified performance from –40°C to 125°C.
Note 3:
The LT1787C/LT1787I are guaranteed functional over the
Note 5:
Testing done at VBIAS = 1.25V, VEE = 0V unless otherwise operating temperature range of –40°C to 85°C. The LT1787H is specified.
Note 6:
This parameter is not 100% tested.
W U TYPICAL PERFORMANCE CHARACTERISTICS No Load Output Voltage Input Offset Voltage vs No Load Output Current vs vs Supply Voltage Supply Voltage Supply Voltage
50 400 10 V + = V – V + – S S S = VS 40 8 TA = –40°C VBIAS = 0V 300 VBIAS = 0V 30 V V EE = –1.25V EE = –1.25V 6 µV) TA = 85°C 200 TA = 85°C T = 25°C 20 µV) 4 A 100 10 2 0 T = 25°C 0 0 A TA = 25°C –10 –2 –100 TA = 85°C –20 –4 OUTPUT VOLTAGE ( OUTPUT CURRENT (nA) –200 INPUT OFFSET VOLTAGE ( –30 –6 TA = –40°C T VBIAS = 1V A = –40°C –300 V –40 –8 EE = 0V V + – S = VS –50 –400 –10 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0 10 20 30 40 50 60 TOTAL SUPPLY VOLTAGE (V) TOTAL SUPPLY VOLTAGE (V) TOTAL SUPPLY VOLTAGE (V) 1787 G01 1787 G02 1787 G03 1787fc 6
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the temperature range –40
°
C
≤
TA
≤
125
°
C, otherwise specifications are at T – A = 25
°
C. Total supply = (VS – VEE) = 2.5V to 36V (LT1787H), 2.5V to 60V (LT1787HVH) unless otherwise specified. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOMIN Minimum Output Voltage VSENSE = 0V, VBIAS = 0V 30 45 mV V + – SENSE = VS – VS = –128mV, VBIAS = 0V 10 mV VSENSE = 0V, VBIAS = 0V ● 30 55 mV V + – SENSE = VS – VS = –128mV, VBIAS = 0V 10 mV Unipolar Output VSENSE = 2mV, VBIAS = 0V 32 50 mV Saturation Voltage VSENSE = 4mV, VBIAS = 0V 38 55 mV VSENSE = 5mV, VBIAS = 0V 43 60 mV VSENSE = 6mV, VBIAS = 0V 49 65 mV VSENSE = 2mV, VBIAS = 0V ● 32 60 mV VSENSE = 4mV, VBIAS = 0V ● 38 65 mV VSENSE = 5mV, VBIAS = 0V ● 43 70 mV VSENSE = 6mV, VBIAS = 0V ● 49 75 mV V + OMAX Maximum Output Voltage VS – 0.75 V RG1A, RG2A Input Gain-Setting Resistor Pin 1 to Pin 2, Pin 7 to Pin 8 1.25 kΩ ROUT Output Resistor Pin 5 to Pin 6 20 kΩ
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings guaranteed functional over the operating temperature range of –40°C to may cause permanent damage to the device. Exposure to any Absolute 125°C. Maximum Rating condition for extended periods may affect device
Note 4:
The LT1787C is guaranteed to meet specified performance from reliability and lifetime. 0°C to 70°C. The LT1787C is designed, characterized and expected to
Note 2:
ESD (Electrostatic Discharge) sensitive devices. Extensive use of meet specified performance from –40°C to 85°C but is not tested or QA ESD protection devices are used internal to the LT1787/LT1787HV, sampled at these temperatures. The LT1787I is guaranteed to meet however, high electrostatic discharge can damage or degrade the device. specified performance from – 40°C to 85°C. The LT1787H is guaranteed to Use proper ESD handling precautions. meet specified performance from –40°C to 125°C.
Note 3:
The LT1787C/LT1787I are guaranteed functional over the
Note 5:
Testing done at VBIAS = 1.25V, VEE = 0V unless otherwise operating temperature range of –40°C to 85°C. The LT1787H is specified.
Note 6:
This parameter is not 100% tested.
W U TYPICAL PERFORMANCE CHARACTERISTICS No Load Output Voltage Input Offset Voltage vs No Load Output Current vs vs Supply Voltage Supply Voltage Supply Voltage
50 400 10 V + = V – V + – S S S = VS 40 8 TA = –40°C VBIAS = 0V 300 VBIAS = 0V 30 V V EE = –1.25V EE = –1.25V 6 µV) TA = 85°C 200 TA = 85°C T = 25°C 20 µV) 4 A 100 10 2 0 T = 25°C 0 0 A TA = 25°C –10 –2 –100 TA = 85°C –20 –4 OUTPUT VOLTAGE ( OUTPUT CURRENT (nA) –200 INPUT OFFSET VOLTAGE ( –30 –6 TA = –40°C T VBIAS = 1V A = –40°C –300 V –40 –8 EE = 0V V + – S = VS –50 –400 –10 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0 10 20 30 40 50 60 TOTAL SUPPLY VOLTAGE (V) TOTAL SUPPLY VOLTAGE (V) TOTAL SUPPLY VOLTAGE (V) 1787 G01 1787 G02 1787 G03 1787fc 6