LTC4150CMS datasheet(2/12 Pages) LINER

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LTC4150

4150fa

Supply Voltage (VDD) ...................................– 0.3V to 9V

Input Voltage Range

Digital Inputs (CLR, SHDN) ....... – 0.3V to (VDD + 0.3)

SENSE–, SENSE+ , CF–, CF+ ........ – 0.3V to (VDD + 0.3)

Output Voltage Range

Digital Outputs (INT, POL) .......................– 0.3V to 9V

Operating Temperature Range

LTC4150CMS .......................................... 0°C to 70°C

LTC4150IMS ..................................... –40°C TO 85°C

Storage Temperature Range ................. – 65°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300°C

ORDER PART

NUMBER

MS PART MARKING

TJMAX = 125°C, θJA = 160°C/W

Consult LTC Marketing for parts specified with wider operating temperature ranges.

LTQW

LTC4150CMS

LTC4150IMS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

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

temperature range, otherwise specifications are at TA = 25°C. VDD = 2.7V and 8.5V unless otherwise noted.

SENSE+

SENSE –

–

SHDN

INT

CLR

VDD

GND

POL

TOP VIEW

MS PACKAGE

10-LEAD PLASTIC MSOP

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIL

Digital Input Low Voltage, CLR, SHDN

●

0.7

VIH

Digital Input High Voltage, CLR, SHDN

●

1.9

VOL

Digital Output Low Voltage, INT, POL

IOL = 1.6mA, VDD = 2.7V

●

0.5

ILEAK

Digital Output Leakage Current, INT, POL

VINT = VPOL = 8.5V

●

0.01

µA

VOS

Differential Offset Voltage (Note 4)

VDD = 4.0V

±100

µV

●

±150

µV

VDD = 8.0V

±100

µV

●

±150

µV

VDD = 2.7V to 8.5V

±150

µV

●

±200

µV

VSENSE(CM)

Sense Voltage Common Mode Input Range

●

VDD – 0.06

VDD + 0.06

VSENSE

Sense Voltage Differential Input Range

SENSE+ – SENSE–

●

– 0.05

0.05

RIDR

Average Differential Input Resistance,

VDD = 4.1V (Note 3)

155

270

390

kΩ

Across SENSE+ and SENSE–

VUVLO

Undervoltage Lockout Threshold

VDD Rising

●

2.5

2.7

Power Supply Current

IDD

Supply Current, Operating

VDD = 8.5V

●

115

140

µA

VDD = 2.7V

●

100

µA

IDD(SD)

Supply Current, Shutdown

VDD = 8.5V

●

µA

VDD = 2.7V

●

1.5

µA

AC Characteristics

GVF

Voltage to Frequency Gain

VSENSE = 50mV to – 50mV,

32.0

32.55

33.1

Hz/V

2.7V ≤ VDD ≤ 8.5V

●

31.8

33.3

Hz/V

∆GVF(VDD)

Gain Variation with Supply

2.7V ≤ VDD ≤ 8.5V

0.5

%/V

∆GVF(TEMP) Gain Variation with Temperature

(Note 2)

●

– 0.03

0.03

%/ ºC

INL

Integral Nonlinearity

– 0.4

0.4

●

– 0.5

0.5

tCLR

CLR Pulse Width to Reset INT,

Figure 2

µs

INT and CLR Not Connected

tINT

INT Low Time, INT Connected to CLR

Figure 3, CL = 15pF

●

µs

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