AD9776A-EBZ Просмотр технического описания (PDF) - Analog Devices

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Компоненты Описание

производитель

AD9776A-EBZ

Dual, 12-/14-/16-Bit,1 GSPS Digital-to-Analog Converters

Analog Devices 

AD9776A/AD9778A/AD9779A

SPECIFICATIONS

DC SPECIFICATIONS

TMIN to TMAX, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, IOUTFs = 20 mA, maximum sample rate, unless

otherwise noted.

Table 1.

Parameter

RESOLUTION

ACCURACY

Differential Nonlinearity (DNL)

Integral Nonlinearity (INL)

MAIN DAC OUTPUTS

Offset Error

Gain Error (with Internal Reference)

Full-Scale Output Current1

Output Compliance Range

Output Resistance

Gain DAC Monotonicity

MAIN DAC TEMPERATURE DRIFT

Offset

Gain

Reference Voltage

AUXILIARY DAC OUTPUTS

Resolution

Full-Scale Output Current1

Output Compliance Range (Source)

Output Compliance Range (Sink)

Output Resistance

Auxiliary DAC Monotonicity

REFERENCE

Internal Reference Voltage

Output Resistance

ANALOG SUPPLY VOLTAGES

AVDD33

CVDD18

DIGITAL SUPPLY VOLTAGES

DVDD33

DVDD18

POWER CONSUMPTION2

1× Mode, fDAC = 100 MSPS, IF = 1 MHz

2× Mode, fDAC = 320 MSPS, IF = 16 MHz, PLL Off

2× Mode, fDAC = 320 MSPS, IF = 16 MHz, PLL On

4× Mode, fDAC/4 Modulation, fDAC = 500 MSPS,

IF = 137.5 MHz, Q DAC Off

8× Mode, fDAC/4 Modulation, fDAC = 1 GSPS,

IF = 262.5 MHz

Power-Down Mode

Power Supply Rejection Ratio, AVDD33

OPERATING RANGE

AD9776A

AD9778A

AD9779A

Min Typ Max Min Typ Max Min Typ Max Unit

12

14

16

Bits

±0.1

±0.86

±0.65

±1.5

±2.1

LSB

±6.0

LSB

−0.001 0

+0.001

±2

8.66 20.2 31.66

−1.0

+1.0

10

Guaranteed

−0.001 0

+0.001

±2

8.66 20.2 31.66

−1.0

+1.0

10

Guaranteed

−0.001 0 +0.001

±2

8.66 20.2 31.66

−1.0

+1.0

10

Guaranteed

% FSR

% FSR

mA

V

MΩ

0.04

0.04

0.04

ppm/°C

100

100

100

ppm/°C

30

30

30

ppm/°C

10

10

10

Bits

−1.998

+1.998 −1.998

+1.998 −1.998

+1.998 mA

0

1.6

0

1.6

0

1.6

V

0.8

1.6

0.8

1.6

0.8

1.6

V

1

1

1

MΩ

Guaranteed

Guaranteed

Guaranteed

1.2

1.2

1.2

V

5

5

5

kΩ

3.13 3.3 3.47 3.13 3.3 3.47 3.13 3.3 3.47 V

1.70 1.8 2.05 1.70 1.8 2.05 1.70 1.8 2.05 V

3.13 3.3 3.47 3.13 3.3 3.47 3.13 3.3 3.47 V

1.70 1.8 2.05 1.70 1.8 2.05 1.70 1.8 2.05 V

250 300

498

588

572

250 300

498

588

572

250 300

mW

498

mW

588

mW

572

mW

980

980

980

mW

2.5 9.8

2.5 9.8

2.5 9.8

mW

−0.3

+0.3 −0.3

+0.3 −0.3

+0.3 % FSR/V

−40 +25 +85 −40 +25 +85 −40 +25 +85 °C

1 Based on a 10 kΩ external resistor.

2 See the Power Dissipation section for more details.

Rev. B | Page 5 of 56

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