beautypg.com

Dc and logic electrical characteristics, Ac electrical characteristics – Rainbow Electronics ADC14061 User Manual

Page 7

background image

DC and Logic Electrical Characteristics

The following specifications apply for AGND = DGND = DGND I/O = 0V, V

+

= V

A

= V

D

= +5.0V, V

D

I/O = 3.0V or 5.0V,

PD = +5V, V

REF+

= +2.0V, V

REF IN

= AGND, f

CLK

= 2.5 MHz, RS = 25

, C

L

= 50 pF/pin. After Auto-Cal

@

Temperature.

Boldface limits apply for T

A

= T

J

= T

MIN

to T

MAX

: all other limits T

A

= T

J

= 25˚C(Notes 7, 8, 9)

Symbol

Parameter

Conditions

Typical

(Note 10)

Limits

(Note 11)

Units

CLOCK, RD, PD Digital Input Characteristics

V

IN(1)

Logical

1

Input Voltage

V

+

= 5.25V

2.0

V(min)

V

IN(0)

Logical

0

Input Voltage

V

+

= 4.75V

0.8

V(max)

I

IN(1)

Logical

1

Input Current

V

IN

= 5.0V

5

µA

I

IN(0)

Logical

0

Input Current

V

IN

= 0V

−5

µA

C

IN

V

IN

Input Capacitance

5

pF

CAL, RESET Digital Input Characteristics

V

IN(1)

Logical

1

Input Voltage

V

+

= 5.25V

3.5

V(min)

V

IN(0)

Logical

0

Input Voltage

V

+

= 4.75V

1.0

V(max)

I

IN(1)

Logical

1

Input Current

V

IN

= 5.0V

5

µA

I

IN(0)

Logical

0

Input Current

V

IN

= 0V

−5

µA

C

IN

Input Capacitance

5

pF

D00 - D13 Digital Output Characteristics

V

OUT(1)

Logical

1

Output

Voltage

V

D

I/O = 4.75V, I

OUT

= −360 µA

4.5

V(min)

V

OUT(1)

Logical

1

Output

Voltage

V

D

I/O = 2.7V, I

OUT

= −360 mA

2.5

V(min)

V

OUT(0)

Logical

0

Output

Voltage

V

D

I/O = 5.25V, I

OUT

= 1.6 mA

0.4

V(max)

V

D

I/O = 3.3V, I

OUT

= 1.6 µA

0.4

V(max)

I

OZ

TRI-STATE Output
Current

V

OUT

= 3V or 5V

100

nA

V

OUT

= 0V

−100

nA

+I

SC

Output Short Circuit
Source Current

V

OUT

= 0V, V

D

I/O = 3V

−10

mA

−I

SC

Output Short Circuit Sink
Current

V

OUT

= V

D

I/O = 3V

12

mA

Power Supply Characteristics

I

A

Analog Supply Current

PD = V

D

I/O

70

85

mA(max)

I

D

Digital Supply Current

PD = V

D

I/O

7

8

mA(max)

I

D

I/O

Output Bus Supply
Current

PD = V

D

I/O

1

2

mA(max)

Total Power
Consumption

PD = V

D

I/O

390

475

mW(max)

PD = DGND

<

2

mW

PSRR

Power Supply Rejection
Ratio

250 mV

PP

DC to 10 MHz riding on V

A

1

2

LSB Error

54

dB

AC Electrical Characteristics

The following specifications apply for AGND = DGND = DGND I/O = 0V, V

+

= V

A

= V

D

= +5.0V, V

D

I/O = 3.0V or 5.0V,

PD = +5V, V

REF+

= +2.0V, V

REF IN

= AGND, f

CLK

= 2.5 MHz, RS = 25

, C

L

= 50 pF/pin. After Auto-Cal

@

Temperature.

Boldface limits apply for T

A

= T

J

= T

MIN

to T

MAX

: all other limits T

A

= T

J

= 25˚C(Notes 7, 8, 9)

Symbol

Parameter

Conditions

Typical

(Note 10)

Limits

(Note 11)

Units

(Limits)

f

CLK

Conversion Clock (CLOCK)
Frequency

300

kHz(min)

3

2.5

MHz(max)

Conversion Clock Duty Cycle

45
55

%(min)

%(max)

t

CONV

Conversion Latency

13

Clock Cycles

t

EOCL

Falling edge of CLK to falling
edge of EOC

1/(4f

CLK

)

90

130

ns(min)

ns(max)

www.national.com

7