LT1999MPMS8-20#PBF Linear Technology, LT1999MPMS8-20#PBF Datasheet - Page 20
LT1999MPMS8-20#PBF
Manufacturer Part Number
LT1999MPMS8-20#PBF
Description
SC-Amps/Current Sense, High Voltage, Bidirectional Current Sense Amplifier
Manufacturer
Linear Technology
Datasheet
1.LT1999MPMS8-10PBF.pdf
(24 pages)
Specifications of LT1999MPMS8-20#PBF
Input Bias Current
137.5µA
Output Current Per Channel
26mA
Input Offset Voltage
1.5mV
Bandwidth
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
LT1999-10/LT1999-20/
LT1999-50
TYPICAL APPLICATIONS
20
OFF
ON
V
S
SOLENOID
R
SENSE
0.1μF
V
V
+IN
–IN
Figure 8. Solenoid Current Monitor for Non-Grounded Solenoids. This Circuit Performs the
Same Function as Figure 7 Except One End of the Solenoid Is Tied to V
Voltage of Inputs of the LT1999 Switch Between Ground and One Diode Drop Above V
5V
5V
4
1
2
3
V
V
+
V
+
+
4k
4k
0.8k
0.8k
+
–
LT1999
SHDN
–
+
V
R
V
+
G
+
160k
160k
2μA
1999 F08a
8
7
6
5
V
V
V
SHDN
OUT
REF
0.1μF
SOLENOID PLUNGER PULLS IN
S
. The Common Mode
SOLENOID RELEASES
V
TIME (50ms/DIV)
OUT
S
V
+IN
1999 F08b
2.5V
1999fa