LTC2942CDCB View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC2942CDCB Datasheet PDF : 16 Pages
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LTC2942
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
SYMBOL PARAMETER
Voltage Measurement ADC
Resolution (No Missing Codes)
VFS
ΔVLSB
Full-Scale Voltage
Quantization Step of 14-Bit
Voltage ADC
TUEV
Voltage Total Unadjusted Error
CONDITIONS
(Note 8)
(Note 6)
Gain
Gain Accuracy
VOS
Offset
INL
Integral Nonlinearity
Extrapolated from Measurements at 5.5V and 2.7V
tCONV
Conversion Time
Temperature Measurement ADC
Resolution (No Missing Code) (Note 8)
TFS
ΔTLSB
Full-Scale Temperature
Quantization Step of 10-Bit
Temperature ADC
(Note 6)
TUET
Temperature Total Unadjusted VSENSE+ ≥ 2.8V (Note 8)
Error
tCONV
Conversion Time
Digital Inputs and Digital Outputs
VITH
Logic Input Threshold, AL/CC,
SCL, SDA
VOL
Low Level Output Voltage, AL/CC, I = 3mA
SDA
IIN
Input Leakage, AL/CC, SCL, SDA VIN = VSENSE+/2
CIN
Input Capacitance, AL/CC, SCL, (Note 8)
SDA
tPCC
Minimum Charge Complete (CC)
Pulse Width
I2C Timing Characteristics
fSCL(MAX)
tBUF(MIN)
tSU,STA(MIN)
Maximum SCL Clock Frequency
Bus Free Time Between Stop/Start
Minimum Repeated Start Set-Up
Time
tHD,STA(MIN) Minimum Hold Time (Repeated)
Start Condition
tSU,STO(MIN) Minimum Set-Up Time for Stop
Condition
tSU,DAT(MIN) Minimum Data Setup Time Input
MIN
TYP
MAX UNITS
l
14
Bits
l
6
V
366.2
μV
1
%
l
1.3
%
l
1.3
%
±1
±10
LSB
l
±1
±4
LSB
l
15
ms
10
Bits
l
600
K
0.586
K
l
±5
K
±3
K
l
15
ms
l 0.3 • VSENSE+
l
l
l
0.7 • VSENSE+
V
0.4
V
1
μA
10
pF
1
μs
l
400
900
kHz
l
1.3
μs
l
600
ns
l
600
ns
l
600
ns
l
100
ns
2942f
3
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