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Typical operating characteristics, Ds1876 sfp controller with dual ldd interface – Rainbow Electronics DS1876 User Manual

Page 9

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_______________________________________________________________________________________ 9

DS1876

SFP Controller with Dual LDD Interface

Typical Operating Characteristics

(V

CC

= 3.3V, T

A

= +25°C, unless otherwise noted.)

PMON1/2 AND BMON1/2 INL

DS1876 toc06

PMON1/2 AND BMON1/2 INPUT VOLTAGE (V)

PMON1/2 AND BMON1/2 INL (LSB)

2.0

1.5

1.0

0.5

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

0

2.5

USING FACTORY-PROGRAMMED FULL-SCALE
VALUE OF 2.5V

PMON1/2 AND BMON1/2 DNL

DS1876 toc05

PMON1/2 AND BMON1/2 INPUT VOLTAGE (V)

PMON1/2 AND BMON1/2 DNL (LSB)

2.0

1.5

1.0

0.5

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

0

2.5

USING FACTORY-PROGRAMMED FULL-SCALE
VALUE OF 2.5V

APC1/2 AND MOD1/2 DAC INL

DS1876 toc04

DAC POSITION (DEC)

APC1/2 AND MOD1/2 DAC INL (LSB)

1000

500

-2

-1

0

1

2

3

-3

0

APC1/2 AND MOD1/2 DAC DNL

DS1876 toc03

DAC POSITION (DEC)

APC1/2 AND MOD1/2 DAC DNL (LSB)

1000

500

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

0

SUPPLY CURRENT vs. TEMPERATURE

DS1876 toc02

TEMPERATURE (°C)

SUPPLY CURRENT (mA)

60

35

10

-15

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.0

2.0

-40

85

DAC POSITIONS = 1FFh
SDA = SCL = V

CC

V

CC

= 3.9V

V

CC

= 3.3V

V

CC

= 2.85V

SUPPLY CURRENT vs. SUPPLY VOLTAGE

DS1876 toc01

V

CC

(V)

SUPPLY CURRENT (mA)

3.750

3.450

3.150

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.0

2.850

SDA = SCL = V

CC

DACs AT 1FFh

+95°C

+25°C

-40°C