LTC2970CUFD-1-PBF datasheet(4/36 Pages) LINER

Part #	LTC2970CUFD-1-PBF

Description	Dual I2C Power Supply Monitor and Margining Controller

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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4 / 36 page

LTC2970/LTC2970-1

4

29701fc

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Voltage Buffered IDAC Output Characteristics

INL_VOUT

Integral Nonlinearity

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

●

±1

LSB

DNL_VOUT

Differential Nonlinearity

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

●

±1

LSB

VOS-VOUT

Offset Voltage

VOS = VOUTn – VIOUTn, No Load on VOUTn

●

1.6

±10

mV

Output Voltage Drift

No Load on VOUTn

0.17

μV/°C

VOUT

Load Regulation

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

–57

ppm/mA

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

100

ppm/mA

Leakage Current

VOUTn High-Z, 0V ≤ VOUTn ≤ VDD

●

1

±100

nA

Short-Circuit Current Low

VOUTn Shorted to GND

●

–50

mA

Short-Circuit Current High

VOUTn Shorted to VDD

●

50

mA

Soft Connect Comparator Characteristics (CMP0, CMP1)

VOS

Offset Voltage

±3

mV

Temperature Sensor Characteristics

TMP

Gain

0.25

°C/LSB

12VIN Voltage Divider Characteristics

GAIN_12VIN Gain

●

0.329

0.333

0.335

V/V

Digital Inputs SCL, SDA, GPIO_CFG, GPIO_0, GPIO_1

VIH

Input High Threshold Voltage

SDA, SCL

●

2.1

V

GPIO_CFG, GPIO_0, GIPO_1

●

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

0.08

V

ILEAK

Input Leakage Current

0V ≤ VIN ≤ 6V

●

±1

μA

CIN

Input Capacitance

10

pF

Three State Inputs ASEL[1:0]

VIH_ASEL

Input High Threshold Voltage

●

VDD – 0.5

V

VIL_ASEL

Input Low Threshold Voltage

●

0.5

V

IIN,HL

High, Low Input Current

ASEL[1:0] = 0, VDD

●

±20

μA

IIN,Z

High Z Input Current

●

±2

μA

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

VOL

Output Low Voltage

ISINK = 3mA

●

0.4

V

IOH

Input Leakage Current

0V ≤ VIN ≤ 6V

●

±1

μA

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.

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LTC2970CUFD-1-PBF Datasheet(PDF) 4 Page - Linear Technology

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