AD768-EB Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге

Компоненты Описание

производитель

AD768-EB

16-Bit, 30 MSPS D/A Converter

Analog Devices 

AD768–SPECIFICATIONS (TMIN to TMAX , VDD = +5.0 V, VEE = –5.0 V, LADCOM, REFCOM, DCOM = 0 V, IREFIN = 5 mA,

CLOCK = 10 MHz, unless otherwise noted)

Parameter

Min

Typ

Max

Units

RESOLUTION

DC ACCURACY1

Linearity Error

TA = +25°C

TMIN to TMAX

Differential Nonlinearity

TA = +25°C

TMIN to TMAX

Monotonicity (13-Bit)

16

Bits

–8

±4

+8

LSB

–8

+8

LSB

–6

±2

+6

LSB

–8

+8

LSB

GUARANTEED OVER RATED SPECIFICATION TEMPERATURE RANGE

ANALOG OUTPUT

Offset Error

Gain Error

Full-Scale Output Current2

Output Compliance Range

Output Resistance

Output Capacitance

–0.2

–1.0

20

–1.2

0.8

1.0

3

+0.2

% of FSR

+1.0

% of FSR

mA

+5.0

V

1.2

kΩ

pF

REFERENCE OUTPUT

Reference Voltage

Reference Output Current3

2.475

2.5

+5.0

2.525

V

+15

mA

REFERENCE INPUT

Reference Input Current

Reference Bandwidth4

Small Signal, IREF = 5 mA ± 0.1 mA

Large Signal, IREF = 4 mA ± 2 mA

1

5

7

mA

28

MHz

9

MHz

TEMPERATURE COEFFICIENTS

Unipolar Offset Drift

Gain Drift5

Gain Drift6

Reference Voltage Drift

DYNAMIC PERFORMANCE7

Maximum Output Update Rate

Output Settling Time (tST) (to 0.025%)

Output Propagation Delay (tPD)

Glitch Impulse

Output Rise Time (10% to 90%)

Output Fall Time (10% to 90%)

Output Noise (DB0–DB15 High, into 50 Ω)

Differential Gain Error

Differential Phase Error

–5

+5

ppm of FSR/oC

–20

+20

ppm of FSR/oC

–40

+40

ppm of FSR/oC

–30

+30

ppm/oC

30

40

MSPS

25

35

ns

10

ns

35

pV-s

5

ns

5

ns

3

nV/√Hz

0.01

%

0.01

Degree

DIGITAL INPUTS

Logic “1” Voltage

3.5

V

Logic “0” Voltage

1.5

V

Logic “1” Current

–10

+10

µA

Logic “0” Current

–10

+10

µA

Input Capacitance

10

pF

Input Setup Time (tS)

10

ns

Input Hold Time (tH)

5

ns

Latch Pulse Width (tLPW)

10

ns

AC LINEARITY7

Spurious-Free Dynamic Range (SFDR Within a Window)

FOUT = 1.002 MHz; CLOCK = 10 MHz; 2 MHz Span

FOUT = 1.002 MHz; CLOCK = 20 MHz; 2 MHz Span

FOUT = 5.002 MHz; CLOCK = 30 MHz; 10 MHz Span

Spurious-Free Dynamic Range (SFDR to Nyquist)

86

79

dB

85

dB

78

dB

FOUT = 1.002 MHz; CLOCK = 10 MHz

FOUT = 1.002 MHz; CLOCK = 20 MHz

FOUT = 5.002 MHz; CLOCK = 30 MHz

Total Harmonic Distortion (THD)

74

70

dB

73

dB

67

dB

FOUT = 1.002 MHz; CLOCK = 10 MHz

FOUT = 1.002 MHz; CLOCK = 20 MHz

FOUT = 5.002 MHz; CLOCK = 30 MHz

–71

–68

dB

–66

dB

–61

dB

–2–

REV. B

Share Link: