LTC2990
26
2990fe
For more information www.linear.com/LTC2990
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 1116 REV E • PRINTED IN USA
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC2990
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LTC2991 Octal I
2
C Voltage, Current, Temperature Monitor Remote and Internal Temperatures, 14-Bit Voltages and Current,
Internal 10ppm/°C Reference
LTC2997 Remote/Internal Temperature Sensor Temperature to Voltage with Integrated 1.8V Voltage Reference,
±1°C Accuracy
LM134 Constant Current Source and Temperature Sensor Can Be Used as Linear Temperature Sensor
LTC1392 Micropower Temperature, Power Supply and Differential
Voltage Monitor
Complete Ambient Temperature Sensor Onboard
LTC2487 16-Bit, 2-/4-Channel Delta Sigma ADC with PGA, Easy Drive™
and I
2
C Interface
Internal Temperature Sensor
LTC6102/LTC6102HV Precision Zero Drift Current Sense Amplifier 5V to 100V, 105V Absolute Maximum (LTC6102HV)
LTC2983 Multi-Sensor High Accuracy Digital Temperature
Measurement System
20 Channels Measure Any Combination of Thermocouples, RTDs,
Thermistors and Diodes
LTC2984 Multi-Sensor High Accuracy Digital Temperature
Measurement System with EEPROM
20 Channels Measure Any Combination of Thermocouples, RTDs,
Thermistors and Diodes
LTC2986 Multi-Sensor High Accuracy Digital Temperature
Measurement System with EEPROM
10 Channels Measure Any Combination of Thermocouples, RTDs,
Thermistors and Diodes
High Voltage/Current and Temperature Monitoring
–
+
–INS
0.1µF
V
IN
5V TO 105V
0.1µF
470pF
ALL CAPACITORS ±20%
VOLTAGE, CURRENT AND TEMPERATURE CONFIGURATION:
CONTROL REGISTER: 0x58
T
AMB
REG 4, 5 0.0625°C/LSB
V
LOAD
REG 6, 7 13.2mVLSB
V2(I
LOAD
) REG 8, 9 1.223mA/LSB
T
REMOTE
REG A, B 0.0625°C/LSB
V
CC
REG E, F 2.5V + 305.18µV/LSB
MMBT3904
R
IN
20Ω
1%
I
LOAD
0A TO 10A
R
OUT
4.99k
1%
200k
1%
4.75k
1%
0.1µF
R
SENSE
1mΩ
1%
–INF
V
+
V
–
LTC6102HV
OUT
V
REG
+IN
V
CC
V1
LTC2990
2-WIRE
I
2
C
INTERFACE
5V
GND
SDA
SCL
ADR0
ADR1
V3
V4
V2
2990 TA02
0.1µF