© 2002 Microchip Technology Inc.

DS21411B-page 3

TC3402

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Supply Voltage ..................................................... 6.0V

Operating Temperature Range ................. 0°C to 85°C

Storage Temperature ........................ -65°C to +150°C

*Stresses above those listed under "Absolute Maximum Rat-

ings" may cause permanent damage to the device. These are

stress ratings only and functional operation of the device at

these or any other conditions above those indicated in the

operation sections of the specifications is not implied. Expo-

sure to Absolute Maximum Rating conditions for extended

periods may affect device reliability.

TC3402 DC ELECTRICAL SPECIFICATIONS

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Power Supply

Supply Voltage

1.8

—

5.5

V

Supply Current, During Data Conversion

—

250

—

Supply Current, Sleep Mode

—

0.75

1.5

—

1.8

3.0

Accuracy (Differential Inputs)

RES

Resolution

—

16

—

Bits

INL

Integral Non-Linearity

—

.0038

—

%FSR

Offset Error

—

—

±0.9

%FSR

IN+, IN- = 0V

Referred to input

—

60

—

CMR

Common Mode Rejection

—

75

—

dB

At DC

FSE

Full Scale Error

—

0.4%

—

%FS

PSRR

Power Supply Rejection Ratio

—

75

—

dB

IN+, IN-

Differential Input Voltage

—

—

V

Note 1

Absolute Voltage Range on INn+, INn- INn

GND

—

V

Input Bias Current

—

1

100

nA

Input Sampling Capacitance

—

2

—

pF

Differential Input Resistance

—

2.0

—

M

Ω

Note 2

0

—

1.25

V

—

1

—

µA

—

1.193

—

V

—

10

—

µA

300

—

—

Note

1:

2:

Resistance from INn+ to INn- or INn to GND.

3: