LTC2990
25
2990fe
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
revision hisTory
REV DATE DESCRIPTION PAGE NUMBER
A 6/11 Revised title of data sheet from “I
2
C Temperature, Voltage and Current Monitor”
Revised Conditions and Values under Measurement Accuracy in Electrical Characteristics section
Revised curve G05 labels in Typical Performance Characteristics section
Revised Applications Information section and renumbered tables and table references
1
2
4
9 to 17
B 8/11 Updated Features section
Updated Current Measurements section
Updated Related Parts
1
10
24
C 12/11 Removed conditions for V
CC(TUE)
in Electrical Characteristics
Updated Pin 8 description
Removed ° symbol in reference to Kelvin measurements
Revised Current Measurements, Voltage/Current, I
2
C Device Addressing, Table 2, Table 5, and Table 10 in
Applications Information
Revised Typical Applications drawings TA05 and TA11
2
6
9
10, 11, 12, 14,
15, 17
19, 20
D 7/14 Revised Device Configuration section
Updated MSOP Package Description
11
22
E 11/16 Added V
OFFSET_DIFF
and V
OFFSET_SE
to the Electrical Characteristics section 3
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

LTC2990IMS#PBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Current & Power Monitors & Regulators 4x I2C V, C & Temp Mon
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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