LTC2990CMS Просмотр технического описания (PDF) - Linear Technology
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LTC2990CMS Datasheet PDF : 24 Pages
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LTC2990
Absolute Maximum Ratings
(Note 1)
Supply Voltage VCC.................................... –0.3V to 6.0V
Input Voltages V1, V2, V3, V4, SDA, SCL,
ADR1, ADR2..................................–0.3V to (VCC + 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
Pin Configuration
V1 1
V2 2
V3 3
V4 4
GND 5
TOP VIEW
10 VCC
9 ADR1
8 ADR0
7 SCL
6 SDA
MS PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 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 specified with wider operating temperature ranges. *The temperature grade is identified 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 specifications, go to: http://www.linear.com/tapeandreel/
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
General
VCC
Input Supply Range
ICC
Input Supply Current
ISD
Input Supply Current
l 2.9
5.5
V
During Conversion, I2C Inactive
l
1.1
1.8
mA
Shutdown Mode, I2C Inactive
l
1
5
µA
VCC(UVL)
Input Supply Undervoltage Lockout
l 1.3
2.1
2.7
V
Measurement Accuracy
TINT(TUE)
TRMT(TUE)
Internal Temperature Total Unadjusted
Error
Remote Diode Temperature Total
Unadjusted Error
LTC2990C
LTC2990I
TAMB = –40°C to 25°C
TAMB = 25°C to 85°C
η = 1.004 (Note 4)
l
±1
±2.5
°C
l
–3
1
5
°C
l
–2
5
°C
l
–3
±1
1
°C
l
±0.5
±1.5
°C
VCC(TUE)
VCC Voltage Total Unadjusted Error
2.9V ≤ VCC ≤ 5.5V
l
Vn(TUE)
V1 Through V4 Total Unadjusted Error 0V ≤ VN ≤ VCC, Vn ≤ 4.9V
l
VDIFF(TUE)
Differential Voltage Total Unadjusted Error –300mV ≤ VD ≤ 300mV
l
V1 – V2 or V3 – V4
±0.1
±0.25
%
±0.1
±0.25
%
±0.2
±0.75
%
VDIFF(MAX)
VDIFF(CMR)
VLSB(DIFF)
VLSB(SINGLE-ENDED)
VLSB(TEMP)
TNOISE
Maximum Differential Voltage
Differential Voltage Common Mode Range
Differential Voltage LSB Weight
Single-Ended Voltage LSB Weight
Temperature LSB Weight
Temperature Noise
Celsius or Kelvin
Celsius or Kelvin
TMEAS = 46ms (Note 2)
l –300
300
mV
l
0
VCC
V
19.42
µV
305.18
µV
0.0625
Deg
0.2
°RMS
0.05
°/√Hz
2990f
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