Datasheet

LTC2990
2
2990fc
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
(Note 1)
1
2
3
4
5
V1
V2
V3
V4
GND
10
9
8
7
6
V
CC
ADR1
ADR0
SCL
SDA
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 150°C/W
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2990CMS#PBF LTC2990CMS#TRPBF LTDSQ 10-Lead Plastic MSOP 0°C to 70°C
LTC2990IMS#PBF LTC2990IMS#TRPBF LTDSQ 10-Lead Plastic MSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2990CMS LTC2990CMS#TR LTDSQ 10-Lead Plastic MSOP 0°C to 70°C
LTC2990IMS LTC2990IMS#TR LTDSQ 10-Lead Plastic MSOP –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Contact LTC Marketing for parts trimmed to ideality factors other than 1.004.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi
cations, go to: http://www.linear.com/tapeandreel/
Supply Voltage V
CC
................................... –0.3V to 6.0V
Input Voltages V1, V2, V3, V4, SDA, SCL,
ADR1, ADR2 ..................................–0.3V to (V
CC
+ 0.3V)
Operating Temperature Range
LTC2990C ................................................ 0°C to 70°C
LTC2990I .............................................–40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec) ...................300°C
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 3.3V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
General
V
CC
Input Supply Range
l
2.9 5.5 V
I
CC
Input Supply Current During Conversion, I
2
C Inactive
l
1.1 1.8 mA
I
SD
Input Supply Current Shutdown Mode, I
2
C Inactive
l
15 μA
V
CC(UVL)
Input Supply Undervoltage Lockout
l
1.3 2.1 2.7 V
Measurement Accuracy
T
INT(TUE)
Internal Temperature Total Unadjusted
Error T
AMB
= 0°C to 85°C
T
AMB
= –40°C to 0°C
±0.5
±1
±3
±3.5 °C
°C
°C
T
RMT(TUE)
Remote Diode Temperature Total
Unadjusted Error
η = 1.004 (Note 4)
l
±0.5 ±1.5 °C
V
CC(TUE)
V
CC
Voltage Total Unadjusted Error
l
±0.1 ±0.25 %
V
n(TUE)
V1 Through V4 Total Unadjusted Error
l
±0.1 ±0.25 %
V
DIFF(TUE)
Differential Voltage Total Unadjusted Error
V1 – V2 or V3 – V4
–300mV ≤ V
D
≤ 300mV
l
±0.2 ±0.75 %
V
DIFF(MAX)
Maximum Differential Voltage
l
–300 300 mV
V
DIFF(CMR)
Differential Voltage Common Mode Range
l
0V
CC
V
V
LSB(DIFF)
Differential Voltage LSB Weight 19.42 μV
V
LSB(SINGLE-ENDED)
Single-Ended Voltage LSB Weight 305.18 μV
V
LSB(TEMP)
Temperature LSB Weight Celsius or Kelvin 0.0625 Deg
T
NOISE
Temperature Noise Celsius or Kelvin
T
MEAS
= 46ms (Note 2)
0.2
0.05
°RMS
°/√Hz