LT1999MPMS8-10#PBF Linear Technology, LT1999MPMS8-10#PBF Datasheet - Page 20

• Manufacturer Part Number: LT1999MPMS8-10#PBF
• Description: SC-Amps/Current Sense, High Voltage, Bidirectional Current Sense Amplifier
• Manufacturer: Linear Technology

Specifications of LT1999MPMS8-10#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

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