ZSSC3123 datasheet(9/68 Pages) ETC2

9 / 68 page

ZSSC3123

ite™ Capacitive Sensor Signal Conditioner

Data Sheet

September 29, 2011

— Rev.1.00

without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes

without notice.

9 of 67

1.3

Electrical Parameters

See important footnotes at the end of the following table.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SUPPLY CURRENT

Update Mode Current (varies with

part configuration)

IDD

Best case settings:

Mult 1, 8-bit, 125ms Power Down

100

μA

Worst case settings:

Mult 1, 14-bit, 0ms Power Down

750

1100

Extra Current with PDM enabled *

IPDM

150

μA

Sleep Mode Current

ISLEEP

-40 to 85°C

0.6

μA

-40 to 125°C

μA

Voltage Levels

Power-On-Reset Level

VPOR

1.6

1.7

2.2

Active Regulated Voltage

VREG

Note: Regulated voltage can be

measured on the Vcore pin.

2.4

2.55

2.7

CAPACITANCE-TO-DIGITAL CONVERTER (CDC)

Resolution

RESCDC

Bits

Excitation Frequency of External

Capacitances C0 and C1

(for a system frequency fSYS)

fEXC

fSYS/2

kHz

Integral Nonlinearity (INL)

INLCDC

Mult 1, 10% to 90% input, 14-bit

0.2

Differential Nonlinearity (DNL) *

DNLCDC

Mult 1, 10% to 90% input, 14-bit

0.9

LSB

EEPROM

Number of Erase/Write Cycles

nWRI_EEP

@85

C

100k

Data Retention

tWRI_EEP

@100

C

Year

TEMPERATURE CONVERSION

Resolution in °C *

RESTEMP

-40 to 125°C, 8-bit mode

0.64

0.96

1.6

°C

-40 to 125°C, 14-bit mode

0.01

0.015

0.025

Nonlinearity First Order Fit *

, 3

INLCDC

-40 to 125°C

±0.5

±1

°C

Nonlinearity Second Order Fit *

, 4

INLCDC

-40 to 125°C

±0.2

±0.4

°C

ZSSC3123 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers

ZSSC3123 Datasheet(HTML) 9 Page - List of Unclassifed Manufacturers

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68

Datasheet Download

Link URL