ADC12441CMJ datasheet(2/14 Pages) NSC

2 / 14 page

Absolute Maximum Ratings (Notes12)

If MilitaryAerospace specified devices are required

please contact the National Semiconductor Sales

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Supply Voltage (VCC e DVCC e AVCC)

65V

Negative Supply Voltage (Vb)

65V

Voltage at Logic Control Inputs

03V to (VCCa03V)

Voltage at Analog Inputs

(VIN and VREF)(Vbb03V) to (VCCa03V)

AVCC–DVCC (Note 7)

03V

Input Current at Any Pin (Note 3)

5mA

Package Input Current (Note 3)

20 mA

Power Dissipation at 25 C (Note 4)

875 mW

Storage Temperature Range

65 Cto a150 C

ESD Susceptability (Note 5)

2000V

Soldering Information

J Package (10 sec)

300 C

Operating Ratings (Notes12)

Temperature Range

TMIN s TA s TMAX

ADC12441CIJ

40 C s TA s a85 C

ADC12441CMJ

ADC12441CMJ883

55 C s TA s a125 C

DVCC and AVCC Voltage

(Notes67)

45V to 55V

Negative Supply Voltage (Vb)

45V to b55V

Reference Voltage

(VREF Notes67)

35V to AVCC a 50 mV

Converter Electrical Characteristics

The following specifications apply for VCC e DVCC e AVCC ea50V Vb eb50V VREF ea50V Analog Input Source

Impedance e 600X and fCLK e 20 MHz unless otherwise specified Boldface limits apply for TA e TJ e TMIN to TMAX

all other limits TA e TJ e 25 C (Notes 6 7 and 8)

Symbol

Parameter

Conditions

Typical

Limit

Units

(Note 9)

(Note 10)

(Limit)

STATIC CHARACTERISTICS

Positive Integral Linearity Error

After Auto-Cal (Notes 11

12)

LSB

Negative Integral Linearity Error

After Auto-Cal (Notes 11

12)

LSB

Positive or Negative Differential Linearity

After Auto-Cal (Notes 11

12)

Bits

Zero Error

After Auto-Zero or Auto-Cal

LSB (max)

(Notes 12

13)

Positive Full-Scale Error

After Auto-Cal (Note 12)

LSB (max)

Negative Full-Scale Error

After Auto-Cal (Note 12)

LSB (max)

VIN

Analog Input Voltage

Vb b 005

V(min)

VCC a 005

V(max)

Power Supply

Zero Error (Note 14) AVCC e DVCC e 5V g5%

LSB

Sensitivity

Full-Scale Error

VREF e 475V Vb eb5V g5%

LSB

Linearity Error

LSB

CREF

VREF Input Capacitance (Note 18)

CIN

Analog Input Capacitance

DYNAMIC CHARACTERISTICS

Bipolar Effective Bits

fIN e 1 kHz VIN e g485V

126

Bits

(Note 17)

fIN e 20 kHz VIN e g485V

126

124

Bits (min)

Unipolar Effective Bits

fIN e 1 kHz VIN e 485 Vp-p

118

Bits

(Note 17)

fIN e 20 kHz VIN e 485 Vp-p

118

116

Bits (min)

Bipolar Signal-to-Noise Ratio

fIN e 1 kHz VIN e g485V

(Note 17)

fIN e 10 kHz VIN e g485V

fIN e 20 kHz VIN e g485V

765

dB (min)

Unipolar Signal-to-Noise Ratio

fIN e 1 kHz VIN e 485 Vp-p

(Note 17)

fIN e 10 kHz VIN e 485 Vp-p

fIN e 20 kHz VIN e 485 Vp-p

715

dB (min)

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