DAC900-Q1

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SBAS505 – JUNE 2010

ELECTRICAL CHARACTERISTICS

At TA = -40°C to +105°C, +VA = +5V, +VD = +5V, differential transformer coupled output, 50Ω doubly terminated, unless

otherwise specified

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RESOLUTION

10

bits

OUTPUT UPDATE RATE

2.7V to 3.3V

125

165

MSPS

Output Update Rate (fCLOCK)

4.5V to 5.5V

165

200

MSPS

STATIC ACCURACY(1)

TA = +25°C

Differential Nonlinearity (DNL)

fCLOCK = 25MSPS, fOUT = 1.0MHz

-0.75

±0.3

+0.75

LSB

TA = +25°C

-1

±0.5

+1

Integral Nonlinearity (INL)

LSB

TA = -40°C to +105°C

-1.5

+1.5

DYNAMIC PERFORMANCE

TA = +25°C

Spurious-Free Dynamic Range (SFDR)

To Nyquist

TA = +25°C

70

76

fOUT = 1.0MHz, fCLOCK = 25MSPS

dBc

TA = -40°C to +105°C

60

76

fOUT = 2.1MHz, fCLOCK = 50MSPS

75

dBc

fOUT = 5.04MHz, fCLOCK = 50MSPS

68

dBc

fOUT = 5.04MHz, fCLOCK = 100MSPS

68

dBc

fOUT = 20.2MHz, fCLOCK = 100MSPS

62

dBc

fOUT = 25.3MHz, fCLOCK = 125MSPS

62

dBc

fOUT = 41.5MHz, fCLOCK = 125MSPS

53

dBc

fOUT = 27.4MHz, fCLOCK = 165MSPS

59

dBc

fOUT = 54.8MHz, fCLOCK = 165MSPS

53

dBc

Spurious-Free Dynamic Range within a Window

fOUT = 5.04MHz, fCLOCK = 50MSPS

2MHz Span

78

dBc

fOUT = 5.04MHz, fCLOCK = 100MSPS

4MHz Span

78

dBc

Total Harmonic Distortion (THD)

fOUT = 2.1MHz, fCLOCK = 50MSPS

-74

dBc

fOUT = 2.1MHz, fCLOCK = 125MSPS

-73

dBc

Two Tone

fOUT1 = 13.5MHz, fOUT2 = 14.5MHz, fCLOCK = 100MSPS

60

dBc

Output Settling Time(2)

to 0.1%

30

ns

Output Rise Time(2)

10% to 90%

2

ns

Output Fall Time(2)

90% to 10%

2

ns

Glitch Impulse

3

pV-s

DC-ACCURACY

Full-Scale Output Range(3) (FSR)

All Bits High, IOUT

2

20

mA

Output Compliance Range

-1

+1.25

V

TA = +25°C

-10

±1

+10

Gain Error With Internal Reference

%FSR

TA = -40°C to +105°C

-25

+25

Gain Error With External Reference

-10

±2

+10

%FSR

ppmFSR/

Gain Drift With Internal Reference

±120

°C

TA = +25°C

-0.06

+0.06

Offset Error With Internal Reference

%FSR

TA = -40°C to +105°C

-0.1

+0.1

(1)

At output IOUT, while driving a virtual ground.

(2)

Measured single-ended into 50

Ω Load.

(3)

Nominal full-scale output current is 32x IREF; see Application Section for details.

Copyright © 2010, Texas Instruments Incorporated

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Product Folder Link(s): DAC900-Q1