LTC4151-1 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC4151-1 Datasheet PDF : 16 Pages
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LTC4151/LTC4151-1
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN is from 7V to 80V, unless noted. (Note 3)
SYMBOL
σT
fCONV
tCONV
RADIN
IADIN
I2C Interface
PARAMETER
Transition Noise
Conversion Rate (Continuous Mode)
Conversion Time (Snapshot Mode)
ADIN Pin Input Resistance
ADIN Pin Input Current
CONDITIONS
(SENSE+ – SENSE–)
VIN
ADIN
(SENSE+ – SENSE–)
ADIN, VIN
ADIN = 3V
ADIN = 3V
MIN TYP MAX UNITS
1.2
μVRMS
0.3
mVRMS
22
μVRMS
l
6
7.5
9
Hz
l 53
67
85
ms
l 26
33
42
ms
l
2
10
MΩ
l
±2
μA
VADR(H)
VADR(L)
IADR(IN)
ADR0, ADR1 Input High Threshold
ADRO, ADRI Input Low Threshold
ADRO, ADRI Input Current
VSDA(OL)
ISDA,SCL(IN)
SDA, SDAO Output Low Voltage
SDA, SDAI, SDAO, SCL Input Current
VSDA,SCL(TH)
SDA, SDAI, SCL Input Threshold
VSDA,SCL(CL)
SDA, SDAI, SCL Clamp Voltage
I2C Interface Timing (Note 4)
ADR0, ADR1 = 0V or 3V
ADR0, ADR1 = 0.8V or 2.2V
ISDA, ISDAO = 8mA
SDA, SDAI, SDAO, SCL = 5V
ISDA, ISDAI, ISCL = 3mA
l 2.3
2.65
2.9
V
l 0.3
0.6
0.9
V
l
l ±8
±70
μA
μA
l
0.15
0.4
V
l
0
±2
μA
l 1.6
1.8
2
V
l 5.5
6.1
6.6
V
fSCL(MAX)
tLOW
tHIGH
tBUF(MIN)
tHD,STA(MIN)
tSU,STA(MIN)
tSU,STO(MIN)
tHD,DATI(MIN)
tHD,DATO(MIN)
tSU,DAT(MIN)
tSP(MAX)
tRST
CX
Maximum SCL Clock Frequency
Minimum SCL Low Period
Minimum SCL High Period
Minimum Bus Free Time Between Stop/
Start Condition
Minimum Hold Time After (Repeated)
Start Condition
Minimum Repeated Start Condition
Set-Up Time
Minimum Stop Condition Set-Up Time
Minimum Data Hold Time Input
Minimum Data Hold Time Output
Minimum Data Set-Up Time Input
Maximum Suppressed Spike
Pulse Width
Stuck-Bus Reset Time
SCL or SDA/SDAI Held Low
SCL, SDA Input Capacitance
400
kHz
0.65
1.3
μs
50
600
ns
0.12
1.3
μs
140
600
ns
30
600
ns
30
600
ns
–100
0
ns
300
600
900
ns
30
100
ns
50
110
250
ns
20
33
ms
5
10
pF
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Internal clamps limit the SCL, SDA (LTC4151) and SDAI
(LTC4151-1) pins to a minimum of 5.5V. Driving these pins to voltages
beyond the clamp may damage the part. The pins can be safely tied to
higher voltages through a resistor that limits the current below 5mA.
Note 3: All currents into pins are positive. All voltages are referenced to
GND, unless otherwise noted.
Note 4: Guaranteed by design and not subject to test.
Note 5: Integral nonlinearity and total unadjusted error of VIN are tested
between 7V and 80V.
Note 6: Offset error of VIN is defined by extrapolating the straight line
measured between 7V and 80V.
41511fa
4
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