DAC904U 参数 Datasheet PDF下载

ELECTRICAL CHARACTERISTICS

(Cont.)

At T

A

= +25°C, +V

A

= +5V, +V

D

= +5V, differential transformer coupled output, 50Ω doubly terminated, unless otherwise specified.

DAC904U, E

PARAMETER

DYNAMIC PERFORMANCE (Cont.)

Output Settling Time

(2)

Output Rise Time

(2)

Output Fall Time

(2)

Glitch Impulse

DC-ACCURACY

Full-Scale Output Range

(3)

(FSR)

Output Compliance Range

Gain Error

Gain Error

Gain Drift

Offset Error

Offset Drift

Power-Supply Rejection, +V

A

Power-Supply Rejection, +V

D

Output Noise

Output Resistance

Output Capacitance

REFERENCE

Reference Voltage

Reference Tolerance

Reference Voltage Drift

Reference Output Current

Reference Input Resistance

Reference Input Compliance Range

Reference Small-Signal Bandwidth

(4)

DIGITAL INPUTS

Logic Coding

Latch Command

Logic HIGH Voltage, V

IH

Logic LOW Voltage, V

IL

Logic HIGH Voltage, V

IH

Logic LOW Voltage, V

IL

Logic HIGH Current

,

I

IH(5)

Logic LOW Current, I

IL

Input Capacitance

POWER SUPPLY

Supply Voltages

+V

A

+V

D

Supply Current

(6)

I

VA

I

VA

, Power-Down Mode

I

VD

Power Dissipation

Power Dissipation, Power-Down Mode

Thermal Resistance,

θ

JA

SO-28

TSSOP-28

CONDITIONS

MIN

TYP

MAX

UNITS

to 0.1%

10% to 90%

10% to 90%

30

2

2

3

2.0

–1.0

–10

–10

–0.025

±0.1

–0.2

–0.025

+0.2

+0.025

50

200

12

+1.24

±10

±50

10

1

0.1

1.3

Straight Binary

Rising Edge of Clock

5

0

3

0

±20

±20

5

1.25

20.0

+1.25

+10

+10

+0.025

ns

ns

ns

pV-s

mA

V

%FSR

%FSR

ppmFSR/°C

%FSR

ppmFSR/°C

%FSR/V

%FSR/V

pA/√Hz

kΩ

pF

V

%

ppmFSR/°C

µA

MΩ

V

MHz

All Bits HIGH, I

OUT

With Internal Reference

With External Reference

With Internal Reference

With Internal Reference

With Internal Reference

±1

±2

±120

I

OUT

= 20mA, R

LOAD

= 50Ω

I

OUT

, I

OUT

to Ground

+V

D

+V

D

+V

D

+V

D

+V

D

+V

D

=

=

=

=

=

=

+5V

+5V

+3V

+3V

+5V

+5V

3.5

2

1.2

0.8

V

V

V

V

µA

µA

pF

+2.7

+2.7

+5

+5

24

1.1

8

170

50

45

75

50

+5.5

+5.5

30

2

15

230

V

V

mA

mA

mA

mW

mW

mW

°C/W

°C/W

+5V, I

OUT

= 20mA

+3V, I

OUT

= 2mA

NOTES: (1) At output I

OUT

, while driving a virtual ground. (2) Measured single-ended into 50Ω Load. (3) Nominal full-scale output current is 32x I

REF

; see Application

Section for details. (4) Reference bandwidth depends on size of external capacitor at the BW pin and signal level. (5) Typically 45µA for the PD pin, which has an

internal pull-down resistor. (6) Measured at f

CLOCK

= 50MSPS and f

OUT

= 1.0MHz.

DAC904

SBAS095C

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