Datasheet LT6108-1, LT6108-2 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | High Side Current Sense Amplifier with Reference and Comparator |
| Pages / Page | 30 / 5 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| File Format / Size | PDF / 361 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
Model Line for this Datasheet
- LT6108AHMS8-1#PBF LT6108AHMS8-1#PBF LT6108AHMS8-1#TRPBF LT6108AHMS8-1#TRPBF LT6108AHMS8-2#PBF LT6108AHMS8-2#PBF LT6108AHMS8-2#TRPBF LT6108AHMS8-2#TRPBF LT6108AIMS8-1#PBF LT6108AIMS8-1#PBF LT6108AIMS8-1#TRPBF LT6108AIMS8-1#TRPBF LT6108AIMS8-2#PBF LT6108AIMS8-2#PBF LT6108AIMS8-2#TRPBF LT6108AIMS8-2#TRPBF LT6108HDCB-1#PBF LT6108HDCB-1#TRMPBF LT6108HDCB-1#TRMPBF LT6108HDCB-1#TRPBF LT6108HDCB-1#TRPBF LT6108HDCB-2#PBF LT6108HDCB-2#TRMPBF LT6108HDCB-2#TRMPBF LT6108HDCB-2#TRPBF LT6108HDCB-2#TRPBF LT6108HMS8-1#PBF LT6108HMS8-1#PBF LT6108HMS8-1#TRPBF LT6108HMS8-1#TRPBF LT6108HMS8-2#PBF LT6108HMS8-2#PBF LT6108HMS8-2#TRPBF LT6108HMS8-2#TRPBF LT6108IDCB-1#PBF LT6108IDCB-1#TRMPBF LT6108IDCB-1#TRMPBF LT6108IDCB-1#TRPBF LT6108IDCB-1#TRPBF LT6108IDCB-2#PBF LT6108IDCB-2#TRMPBF LT6108IDCB-2#TRMPBF LT6108IDCB-2#TRPBF LT6108IDCB-2#TRPBF LT6108IMS8-1#PBF LT6108IMS8-1#PBF LT6108IMS8-1#TRPBF LT6108IMS8-1#TRPBF LT6108IMS8-2#PBF LT6108IMS8-2#PBF LT6108IMS8-2#TRPBF LT6108IMS8-2#TRPBF
Text Version of Document
LT6108-1/LT6108-2
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 12V, VPULLUP = V+, VEN = VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless otherwise noted. (See Figure 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Reference and Comparator
VTH(R) Rising Input Threshold Voltage V+ = 2.7V to 60V, LT6108A l 395 400 405 mV (Note 9) V+ = 2.7V to 60V, LT6108 l 392 400 408 mV VHYS VHYS = VTH(R) – VTH(F) V+ = 2.7V to 60V 3 10 15 mV Comparator Input Bias Current VINC = 0V, V+ = 60V l –50 nA VOL Output Low Voltage IOUTC = 500µA, V+ = 2.7V 60 150 mV l 220 mV High to Low Propagation Delay 5mV Overdrive 3 µs 100mV Overdrive 0.5 µs Output Fall Time 0.08 µs tRESET Reset Time LT6108-1 Only 0.5 µs tRPW Valid RST Pulse Width LT6108-1 Only l 2 15 µs
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 5:
The full-scale input sense voltage and the maximum output may cause permanent damage to the device. Exposure to any Absolute current must be considered to achieve the specified performance. Maximum Rating condition for extended periods may affect device
Note 6:
Supply voltage and input common mode voltage are varied while reliability and lifetime. amplifier input offset voltage is monitored.
Note 2:
Input and output pins have ESD diodes connected to ground. The
Note 7:
The specified gain error does not include the effect of external SENSEHI and SENSELO pins have additional current handling capability resistors RIN and ROUT. Although gain error is only guaranteed between specified as SENSEHI, SENSELO Input Current. 12V and 60V, similar performance is expected for V+ < 12V, as well.
Note 3:
The LT6108I is guaranteed to meet specified performance from
Note 8:
Refer to SENSELO, SENSEHI Range in the Applications –40°C to 85°C. LT6108H is guaranteed to meet specified performance Information section for more information. from –40°C to 125°C.
Note 9:
The input threshold voltage which causes the output voltage of the
Note 4:
Supply current is specified with the comparator output high. When comparator to transition from high to low is specified. The input voltage the comparator output goes low the supply current will increase by 75µA which causes the comparator output to transition from low to high is typically. the magnitude of the difference between the specified threshold and the hysteresis. 610812fa 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 12V, VPULLUP = V+, VEN = VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless otherwise noted. (See Figure 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Reference and Comparator
VTH(R) Rising Input Threshold Voltage V+ = 2.7V to 60V, LT6108A l 395 400 405 mV (Note 9) V+ = 2.7V to 60V, LT6108 l 392 400 408 mV VHYS VHYS = VTH(R) – VTH(F) V+ = 2.7V to 60V 3 10 15 mV Comparator Input Bias Current VINC = 0V, V+ = 60V l –50 nA VOL Output Low Voltage IOUTC = 500µA, V+ = 2.7V 60 150 mV l 220 mV High to Low Propagation Delay 5mV Overdrive 3 µs 100mV Overdrive 0.5 µs Output Fall Time 0.08 µs tRESET Reset Time LT6108-1 Only 0.5 µs tRPW Valid RST Pulse Width LT6108-1 Only l 2 15 µs
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 5:
The full-scale input sense voltage and the maximum output may cause permanent damage to the device. Exposure to any Absolute current must be considered to achieve the specified performance. Maximum Rating condition for extended periods may affect device
Note 6:
Supply voltage and input common mode voltage are varied while reliability and lifetime. amplifier input offset voltage is monitored.
Note 2:
Input and output pins have ESD diodes connected to ground. The
Note 7:
The specified gain error does not include the effect of external SENSEHI and SENSELO pins have additional current handling capability resistors RIN and ROUT. Although gain error is only guaranteed between specified as SENSEHI, SENSELO Input Current. 12V and 60V, similar performance is expected for V+ < 12V, as well.
Note 3:
The LT6108I is guaranteed to meet specified performance from
Note 8:
Refer to SENSELO, SENSEHI Range in the Applications –40°C to 85°C. LT6108H is guaranteed to meet specified performance Information section for more information. from –40°C to 125°C.
Note 9:
The input threshold voltage which causes the output voltage of the
Note 4:
Supply current is specified with the comparator output high. When comparator to transition from high to low is specified. The input voltage the comparator output goes low the supply current will increase by 75µA which causes the comparator output to transition from low to high is typically. the magnitude of the difference between the specified threshold and the hysteresis. 610812fa 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
