LTC2959

2

Rev. 0

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PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

CM Sensing Voltage (SENSEP, SENSEN) ..... –0.3 to 65V

DM Sensing Voltage |SENSEP – SENSEN| ...............0.3V

SCL, SDA, GPIO Voltage ................................ –0.3 to 6V

Operating Ambient Temperature Range

LTC2959I .................................................–40 to 85°C

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

(Note 1)

TOP VIEW

11

DDB PACKAGE

10-LEAD (3mm × 2mm) PLASTIC DFN

SENSEP

CFP

CFN

SENSEN

GND

GPIO

SDA

SCL

6

8

7

9

10

5

4

2

3

1

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL (MINI)

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC2959IDDB#PBF

LTC2959IDDB#TRMPBF

LHGK

10-Lead (3mm × 2mm) Plastic DFN

–40°C to 85°C

TRM = 500 pieces. *Temperature grades are identified by a label on the shipping container.

Contact the factory for parts specified with wider operating temperature ranges.

Contact the factory for information on lead based finish parts.

Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Requirements

Supply Voltage

l

1.8

60

V

Supply Current (Note 3)

Coulomb Counter On, ADC On

Coulomb Counter Not Counting, ADC Off

l

l

l

0.8

1

400

2

8

800

2

µA

µA

µA

µA

Resistance between SENSEN and GND When Voltage ADC Measures SENSEN

Otherwise

400

1

kΩ

GΩ

Undervoltage Lockout Threshold

l

1.35

1.45

1.55

V

Startup Time

8

ms

Coulomb Counter

l

±50

mV

TCE

Total Charge Error (Note 4)

l

l

0.1

0.2

1

±1

±2

%

%

%

Offset Voltage

l

±1

±10

µV

Differential Input Resistance Across

SENSEP and SENSEN

800

kΩ

Charge LSB (Note 5)

533

nAh

Deadband Inaccuracy

Deadband = 20µV

±10

%