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Absolute maximum ratings, Operating ratings, Converter dc characteristics – Rainbow Electronics ADC12048 User Manual

Page 3

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Absolute Maximum Ratings

(Notes 1 and 2)

If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications

Supply Voltage (V

A

a

and V

D

a

)

6 0V

Voltage at all Inputs

b

0 3V to V

a

a

0 3V

l

V

A

a

b

V

D

a

l

300 mV

l

AGND b DGND

l

300 mV

Input Current at Any Pin (Note 3)

g

30 mA

Package Input Current (Note 3)

g

120 mA

Power Dissipation (Note 4)

at T

A

e

25 C

875 mW

Storage Temperature

b

65 C to a150 C

Lead Temperature

VF Package

Vapor Phase (60 sec )

210 C

Infared (15 sec )

220 C

V Package Infared (15 sec )

300 C

ESD Susceptibility (Note 5)

3 0 kV

Operating Ratings

(Notes 1 and 2)

Temperature Range

(T

min

s

T

A

s

T

max

)

b

40 C

s

T

A

s

85 C

Supply Voltage

V

A

a

V

D

a

4 5V to 5 5V

l

V

A

a

b

V

D

a

l

s

100 mV

l

AGND b DGND

l

s

100 mV

V

IN

Voltage Range at all Inputs

GND

s

V

IN

s

V

A

a

V

REF

a

Input Voltage

1V

s

V

REF

a

s

V

A

a

V

REF

b

Input Voltage

0

s

V

REF

b

s

V

REF

a

b

1V

V

REF

a

b

V

REF

b

1V

s

V

REF

s

V

A

a

V

REF

Common Mode

0 1 V

A

a

s

V

REFCM

s

0 6 V

A

a

Converter DC Characteristics

The following specifications apply to the ADC12048 for V

A

a

e

V

D

a

e

5V

V

REF

a

e

4 096V V

REF

b

e

0 0V 12-bit a sign conversion mode f

CLK

e

12 0 MHz R

S

e

25X source impedance for V

REF

a

and V

REF

b

s

1X fully differential input with fixed 2 048V common-mode voltage (V

INCM

) and minimum acquisition time unless

otherwise specified Boldface limits apply for T

A

e

T

J

e

T

MIN

to T

MAX

all other limits T

A

e

T

J

e

25 C

Symbol

Parameter

Conditions

Typical

Limits

Unit

(Note 10)

(Note 11)

(Limit)

Resolution with No Missing Codes

After Auto-Cal

13

Bits (max)

ILE

Positive and Negative Integral

After Auto-Cal

g

0 6

g

1

LSB (max)

Linearity Error

(Notes 12 and 17)

DNL

Differential Non-Linearity

After Auto-Cal

g

1

LSB (max)

Zero Error

After Auto-Cal (Notes 13 and 17)

LSB (max)

V

INCM

e

5 0V

g

5 5

V

INCM

e

2 048V

g

2 5

V

INCM

e

0V

g

5 5

Positive Full-Scale Error

After Auto-Cal (Notes 12 and 17)

g

1 0

g

2 5

LSB (max)

Negative Full-Scale Error

After Auto-Cal (Notes 12 and 17)

g

1 0

g

2 5

LSB (max)

DC Common Mode Error

After Auto-Cal (Note 14)

g

2

g

5 5

LSB (max)

TUE

Total Unadjusted Error

After Auto-Cal (Note 18)

g

1

LSB

3