AD9762 データシートの表示（PDF） - Analog Devices

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AD9762

12-Bit, 125 MSPS TxDAC® D/A Converter

Analog Devices 

AD9762–SPECIFICATIONS

DC SPECIFICATIONS (TMIN to TMAX , AVDD = +5 V, DVDD = +5 V, IOUTFS = 20 mA, unless otherwise noted)

Parameter

Min

Typ

Max

RESOLUTION

DC ACCURACY1

Integral Linearity Error (INL)

TA = +25°C

TMIN to TMAX

Differential Nonlinearity (DNL)

TA = +25°C

TMIN to TMAX

ANALOG OUTPUT

Offset Error

Gain Error (Without Internal Reference)

Gain Error (With Internal Reference)

Full-Scale Output Current2

Output Compliance Range

Output Resistance

Output Capacitance

12

–2.5

–4.0

–1.5

–2.0

–0.025

–10

–10

2.0

–1.0

± 0.75

± 1.0

± 0.5

± 0.75

±2

±1

100

5

+2.5

+4.0

+1.5

+2.0

+0.025

+10

+10

20.0

+1.25

REFERENCE OUTPUT

Reference Voltage

Reference Output Current3

1.08

1.20

1.32

100

REFERENCE INPUT

Input Compliance Range

0.1

Reference Input Resistance

Small Signal Bandwidth (w/o CCOMP1)4

TEMPERATURE COEFFICIENTS

Offset Drift

Gain Drift (Without Internal Reference)

Gain Drift (With Internal Reference)

Reference Voltage Drift

1.25

1

1.4

0

± 50

± 100

± 50

POWER SUPPLY

Supply Voltages

AVDD5

2.7

5.0

DVDD

2.7

5.0

Analog Supply Current (IAVDD)

25

Digital Supply Current (IDVDD)6

1.5

Supply Current Sleep Mode (IAVDD)

Power Dissipation6 (5 V, IOUTFS = 20 mA)

133

Power Dissipation7 (5 V, IOUTFS = 20 mA)

190

Power Dissipation7 (3 V, IOUTFS = 2 mA)

45

Power Supply Rejection Ratio—AVDD

–0.4

Power Supply Rejection Ratio—DVDD

–0.025

5.5

5.5

30

2

8.5

160

+0.4

+0.025

OPERATING RANGE

–40

+85

NOTES

1Measured at IOUTA, driving a virtual ground.

2Nominal full-scale current, IOUTFS, is 32 × the IREF current.

3Use an external buffer amplifier to drive any external load.

4Reference bandwidth is a function of external cap at COMP1 pin and signal level. Refer to Figure 41.

5For operation below 3 V, it is recommended that the output current be reduced to 12 mA or less to maintain optimum performance.

6Measured at fCLOCK = 25 MSPS and fOUT = 1.0 MHz.

7Measured as unbuffered voltage output into 50 Ω RLOAD at IOUTA and IOUTB, fCLOCK = 100 MSPS and fOUT = 40 MHz.

Specifications subject to change without notice.

Units

Bits

LSB

LSB

LSB

LSB

% of FSR

% of FSR

% of FSR

mA

V

kΩ

pF

V

nA

V

MΩ

MHz

ppm of FSR/°C

ppm of FSR/°C

ppm of FSR/°C

ppm/°C

V

V

mA

mA

mA

mW

mW

mW

% of FSR/V

% of FSR/V

°C

–2–

REV. B

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