Rainbow-electronics ADC12041 Manual do Utilizador descarregar pdf (Página 4)

Power Supply Characteristics The following specifications apply to the ADC12041 for V

5V,

REF

4.096V, V

REF

0.0V, 12-bit

sign conversion mode, f

CLK

12.0 MHz, R

25X, source impedance for V

REF

and V

REF

1X, fully differential input with fixed 2.048V common-mode voltage, and minimum acquisition time, unless otherwise

specified. Boldface limits apply for T

MIN

to T

MAX

; all other limits T

Symbol Parameter Conditions

Typical Limits Unit

(Note 10) (Note 11) (Limit)

PSS Power Supply Sensitivity V

5.0V

10%

Zero Error V

REF

4.096V

0.1 LSB

Full-Scale Error V

REF

0.5 LSB

Linearity Error

0.1 LSB

Digital Supply Current Start Command (Performing a conversion) with SYNC

configured as an input and driven with a 214 kHz

signal. Bus width set to 13.

CLK

12.0 MHz, Reset Mode 850 mA

CLK

12.0 MHz, Conversion 2.45 2.6 mA (max)

Analog Supply Current Start Command (Performing a conversion) with SYNC

configured as an input and driven with a 214 kHz

signal. Bus width set to 13.

CLK

12.0 MHz, Reset Mode 2.3 mA

CLK

12.0 MHz, Conversion 2.3 4.0 mA (max)

Standby Supply Current Standby Mode

CLK

Stopped 5 15 mA (max)

CLK

12.0 MHz 100 120 mA (max)

Analog Input Characteristics The following specifications apply to the ADC12041 for V

5V,

REF

4.096V, V

REF

0.0V, 12-Bit

sign conversion mode, f

CLK

12.0 MHz, R

25X, source impedance for

REF

and V

REF

1X, fully differential input with fixed 2.048V common-mode voltage, and minimum acquisition time, unless

otherwise specified. Boldface limits apply for T

MIN

to T

MAX

; all other limits T

Symbol Parameter Conditions

Typical Limits Unit

(Note 10) (Note 11) (Limit)

and V

Input Leakage Current V

5V 0.05

2.0 mA (max)

0.05

ADC Input On Resistance V

2.5V

1000 X

Refer to section titled INPUT CURRENT.

ADC Input Capacitance 10 pF

Reference Inputs The following specifications apply to the ADC12041 for V

5V, V

REF

4.096V,

REF

0.0V, 12-bit

sign conversion mode, f

CLK

12.0 MHz, R

25X, source impedance for V

REF

and V

REF

1X, fully differential input with fixed 2.048V common-mode voltage, and minimum acquisition time, unless otherwise specified.

Boldface limits apply for T

MIN

to T

MAX

; all other limits T

Symbol Parameter Conditions

Typical Limits Unit

(Note 10) (Note 11) (Limit)

REF

Reference Input Current V

REF

4.096V, V

REF

Analog Input Signal: 1 kHz 145 mA

(Note 20) 80 kHz 136 mA

REF

Reference Input Capacitance 85 pF

1 2 3 4 5 6 7 8 9 ... 29 30

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