Datasheet LT6109-1, LT6109-2 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | High Side Current Sense Amplifier with Reference and Comparators |
| Pages / Page | 28 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| File Format / Size | PDF / 326 Kb |
| Document Language | English |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
Model Line for this Datasheet
- LT6109AHMS-1#PBF LT6109AHMS-1#PBF LT6109AHMS-1#TRPBF LT6109AHMS-1#TRPBF LT6109AHMS-2#PBF LT6109AHMS-2#PBF LT6109AHMS-2#TRPBF LT6109AHMS-2#TRPBF LT6109AIMS-1#PBF LT6109AIMS-1#PBF LT6109AIMS-1#TRPBF LT6109AIMS-1#TRPBF LT6109AIMS-2#PBF LT6109AIMS-2#PBF LT6109AIMS-2#TRPBF LT6109AIMS-2#TRPBF LT6109HMS-1#PBF LT6109HMS-1#PBF LT6109HMS-1#TRPBF LT6109HMS-1#TRPBF LT6109HMS-2#PBF LT6109HMS-2#PBF LT6109HMS-2#TRPBF LT6109HMS-2#TRPBF LT6109IMS-1#PBF LT6109IMS-1#PBF LT6109IMS-1#TRPBF LT6109IMS-1#TRPBF LT6109IMS-2#PBF LT6109IMS-2#PBF LT6109IMS-2#TRPBF LT6109IMS-2#TRPBF
Text Version of Document
LT6109-1/LT6109-2
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/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 + R3 = 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, LT6109A l 395 400 405 mV (Note 9) (LT6109-1 Comparator 1 V+ = 2.7V to 60V, LT6109 l 392 400 408 mV LT6109-2 Both Comparators) VTH(F) Falling Input Threshold Voltage V+ = 2.7V to 60V, LT6109A l 395 400 405 mV (Note 9) (LT6109-1 Comparator 2) V+ = 2.7V to 60V, LT6109 l 392 400 408 mV VHYS VHYS = VTH(R) – VTH(F) V+ = 2.7V to 60V 3 10 15 mV Comparator Input Bias Current VINC1,2 = 0V, V+ = 60V l –50 nA VOL Output Low Voltage IOUTC1,C2 = 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 0.5 µs tRPW Valid RST Pulse Width 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:
Specified gain error does not include the effects 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 LT6109I is guaranteed to meet specified performance from
Note 8:
Refer to SENSELO, SENSEHI Range in the Applications –40°C to 85°C. LT6109H 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 outputs high. comparator to transition from high to low is specified. The input voltage When the comparator outputs go low the supply current will increase by which causes the comparator output to transition from low to high is 75µA typically per comparator. the magnitude of the difference between the specified threshold and the hysteresis. 610912fa 4 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 Revison 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/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 + R3 = 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, LT6109A l 395 400 405 mV (Note 9) (LT6109-1 Comparator 1 V+ = 2.7V to 60V, LT6109 l 392 400 408 mV LT6109-2 Both Comparators) VTH(F) Falling Input Threshold Voltage V+ = 2.7V to 60V, LT6109A l 395 400 405 mV (Note 9) (LT6109-1 Comparator 2) V+ = 2.7V to 60V, LT6109 l 392 400 408 mV VHYS VHYS = VTH(R) – VTH(F) V+ = 2.7V to 60V 3 10 15 mV Comparator Input Bias Current VINC1,2 = 0V, V+ = 60V l –50 nA VOL Output Low Voltage IOUTC1,C2 = 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 0.5 µs tRPW Valid RST Pulse Width 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:
Specified gain error does not include the effects 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 LT6109I is guaranteed to meet specified performance from
Note 8:
Refer to SENSELO, SENSEHI Range in the Applications –40°C to 85°C. LT6109H 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 outputs high. comparator to transition from high to low is specified. The input voltage When the comparator outputs go low the supply current will increase by which causes the comparator output to transition from low to high is 75µA typically per comparator. the magnitude of the difference between the specified threshold and the hysteresis. 610912fa 4 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 Revison History Typical Application Related Parts
