LTC2970CUFD-1-PBF Ver la hoja de datos (PDF) - Linear Technology

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LTC2970CUFD-1-PBF

Dual I2C Power Supply Monitor and Margining Controller

Linear Technology 

LTC2970/LTC2970-1

ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. V12VIN = 12V, VDD and REF pins floating unless otherwise indicated,

CVDD = 100nF and CREF = 100nF.

SYMBOL PARAMETER

CONDITIONS

MIN TYP MAX

UNITS

Voltage Buffered IDAC Output Characteristics

INL_VOUT Integral Nonlinearity

RIOUTn = 10kΩ, No Load on VOUTn (Note 5)

●

DNL_VOUT Differential Nonlinearity

RIOUTn = 10kΩ, No Load on VOUTn (Note 5)

●

VOS-VOUT Offset Voltage

VOS = VOUTn – VIOUTn, No Load on VOUTn

●

Output Voltage Drift

No Load on VOUTn

VOUT

Load Regulation

0.1V < VOUTn < VDD – 1.5V, IVOUTn Source = 1mA

0.1V < VOUTn < VDD – 1.5V, IVOUTn Sink = 1mA

Leakage Current

VOUTn High-Z, 0V ≤ VOUTn ≤ VDD

●

Short-Circuit Current Low

VOUTn Shorted to GND

●

Short-Circuit Current High

VOUTn Shorted to VDD

●

Soft Connect Comparator Characteristics (CMP0, CMP1)

±1

LSB

±1

LSB

1.6

±10

mV

0.17

μV/°C

–57

ppm/mA

100

ppm/mA

1

±100

nA

–50

mA

50

mA

VOS

Offset Voltage

Temperature Sensor Characteristics

±3

mV

TMP

Gain

0.25

°C/LSB

12VIN Voltage Divider Characteristics

GAIN_12VIN Gain

Digital Inputs SCL, SDA, GPIO_CFG, GPIO_0, GPIO_1

● 0.329 0.333 0.335

V/V

VIH

Input High Threshold Voltage

SDA, SCL

●

GPIO_CFG, GPIO_0, GIPO_1

●

2.1

V

1.6

V

VIL

Input Low Threshold Voltage

SDA, SCL

● 1.5

V

GPIO_CFG, GPIO_0, GIPO_1

● 1.0

V

VHYST

Input Hysteresis

ILEAK

Input Leakage Current

CIN

Input Capacitance

Three State Inputs ASEL[1:0]

0V ≤ VIN ≤ 6V

0.08

V

●

±1

μA

10

pF

VIH_ASEL

Input High Threshold Voltage

VIL_ASEL

Input Low Threshold Voltage

IIN,HL

High, Low Input Current

ASEL[1:0] = 0, VDD

IIN,Z

High Z Input Current

Open Drain Outputs SDA, GPIO_CFG, GPIO_0, GPIO_1, ⎯A⎯L⎯E⎯R⎯T

●

● 0.5

●

● ±2

VDD – 0.5

V

V

±20

μA

μA

VOL

Output Low Voltage

IOH

Input Leakage Current

ISINK = 3mA

0V ≤ VIN ≤ 6V

●

0.4

V

●

±1

μA

29701fc

4

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