LT1999MPMS8-50#PBF Linear Technology, LT1999MPMS8-50#PBF Datasheet - Page 21
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LT1999MPMS8-50#PBF
Manufacturer Part Number
LT1999MPMS8-50#PBF
Description
SC-Amps/Current Sense, High Voltage, Bidirectional Current Sense Amplifier
Manufacturer
Linear Technology
Datasheet
1.LT1999MPMS8-10PBF.pdf
(24 pages)
Specifications of LT1999MPMS8-50#PBF
Input Bias Current
137.5µA
Output Current Per Channel
26mA
Input Offset Voltage
1.5mV
Bandwidth
1.2MHz
Cmrr
120dB
Slew Rate
3V/µs
Supply Voltage Range
4.5V To 5.5V
Supply Current
3µA
Rohs Compliant
Yes
No. Of Amplifiers
2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL APPLICATIONS
PWM IN
5V
PWM INPUT
DIRECTION
BRAKE INPUT
H-BRIDGE
GND
24V
V
BRIDGE
Figure 10. LT1999 Output Waveforms for the Circuit of Figure 9
Figure 9. Armature Current Monitor for DC Motor Applications
C4
1000μF
OUTA
OUTB
0.025Ω
R
SENSE
V
TIME (20μs/DIV)
+IN
V
OUT
V
V
10μF
+IN
–IN
5V
5V
24V MOTOR
1
2
3
4
V
+
1999 F10
LT1999-10/LT1999-20/
V
V
4k
4k
+
+
2.5V
0.8k
0.8k
LT1999-20
+
–
SHDN
–
+
V
80k
LT1999-50
V
+
+
160k
160k
2μA
1999 F09
8
7
6
5
V
V
V
21
SHDN
OUT
REF
0.1μF
0.1μF
1999fa