Rainbow-electronics DS3904 Manual do Utilizador descarregar pdf (Página 2)

DS3904

DS3904 Triple 128-Position Nonvolatile

Variable Digital Resistor/Switch

2 ______________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

RECOMMENDED DC OPERATING CONDITIONS

= -40°C to +85°C)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Voltage on V

Pin Relative to Ground.................-0.5V to +6.0V

Voltage on SDA, SCL, and

A0 Relative to Ground* .............................-0.5V to V

+ 0.5V

Voltage on H0, H1, and

H2 Relative to Ground.......-0.5V to +6.0V when V

Powered

Current Through H0, H1, and H2..........................................3mA

Operating Temperature Range ...........................-40°C to +85°C

Programming Temperature Range .........................0°C to +70°C

Storage Temperature Range .............................-55°C to +125°C

Soldering Temperature ................See J-STD-020A Specification

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage V

(Note 1) 2.7 5.5 V

Input Logic 1 V

0.7 x

0.3

Input Logic 0 V

-0.3

0.3 x

Resistor Current I

3mA

Resistor Terminals

H0, H1, H2

= +2.7V to +5.5V

-0.3 +5.5

DC ELECTRICAL CHARACTERISTICS

= +2.7V to +5.5V, T

= -40°C to +85°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

Input Leakage I

(Note 2) -1 +1 µA

= 3V (Note 3) 95

Standby Supply Current I

STBY

= 5V (Note 3)

145

200 µA

OL1

3mA sink current 0 0.4

Low-Level Output Voltage (SDA)

OL2

6mA sink current 0 0.6

ANALOG RESISTOR CHARACTERISTICS

= +2.7V to +5.5V, T

= -40°C to +85°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Absolute Linearity (Note 4) -1 +1 LSB

Relative Linearity (Note 5)

-0.5 +0.5

LSB

Temperature Coefficient Position 7Fh (Note 6)

-200 +123 +400 ppm/°C

Position 7Fh Resistance R

MAX

= +25°C

14.5

25.5

kΩ

Position 00h Resistance R

MIN

= +25°C 200 500 Ω

High Impedance R

HI-Z

5MΩ

*This voltage must not exceed 6.0V.

1 2 3 4 5 6 7 ... 10 11

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