AD9629(Rev0) データシートの表示（PDF） - Analog Devices

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AD9629
(Rev.:Rev0)

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter

Analog Devices 

AD9629

SPECIFICATIONS

DC SPECIFICATIONS

AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, 50% duty

cycle clock, unless otherwise noted.

Table 1.

Parameter

RESOLUTION

ACCURACY

No Missing Codes

Offset Error

Gain Error1

Differential Nonlinearity (DNL)2

Integral Nonlinearity (INL)2

TEMPERATURE DRIFT

Offset Error

INTERNAL VOLTAGE REFERENCE

Output Voltage (1 V Mode)

Load Regulation Error at 1.0 mA

INPUT-REFERRED NOISE

VREF = 1.0 V

ANALOG INPUT

Input Span, VREF = 1.0 V

Input Capacitance3

Input Common-Mode Voltage

Input Common-Mode Range

REFERENCE INPUT RESISTANCE

POWER SUPPLIES

Supply Voltage

AVDD

DRVDD

Supply Current

IAVDD2

IDRVDD2 (1.8 V)

IDRVDD2 (3.3 V)

POWER CONSUMPTION

DC Input

Sine Wave Input2 (DRVDD = 1.8 V)

Sine Wave Input2 (DRVDD = 3.3 V)

Standby Power4

Power-Down Power

Temp

Full

AD9629-20/AD9629-40

Min Typ

Max

12

Full

Guaranteed

Full −0.40 +0.05

+0.50

Full

−1.5

Full

±0.25

25°C

±0.11

Full

±0.40

25°C

±0.11

Full

±2

Full 0.984 0.996

Full

2

1.008

25°C

0.25

Full

2

Full

6

Full

0.9

Full 0.5

1.3

Full

7.5

Full 1.7 1.8

1.9

Full 1.7

3.6

Full

24.9/31.1 26.7/33.2

Full

1.5/2.5

Full

2.7/4.7

Full

45.0/56.7

Full

47.5/60.5 50.7/65.0

Full

53.7/71.7

Full

34

Full

0.5

AD9629-65

AD9629-80

Min Typ Max Min Typ Max Unit

12

12

Bits

Guaranteed

−0.40 +0.05 +0.50

−1.5

±0.25

±0.11

±0.30

±0.13

Guaranteed

−0.40 +0.05 +0.50

−1.5

±0.30

±0.16

±0.35

±0.16

% FSR

% FSR

LSB

LSB

LSB

LSB

±2

±2

ppm/°C

0.984 0.996 1.008 0.984 0.996 1.008 V

2

2

mV

0.25

0.25

LSB rms

2

2

V p-p

6

6

pF

0.9

0.9

V

0.5

1.3 0.5

1.3 V

7.5

7.5

kΩ

1.7 1.8 1.9 1.7 1.8 1.9 V

1.7

3.6 1.7

3.6 V

41.2 46.0

4.2

7.5

46.8 50.0 mA

5.0

mA

9.0

mA

75

81.7 86.0

98.9

34

0.5

85.2

mW

93 100 mW

114

mW

34

mW

0.5

mW

1 Measured with 1.0 V external reference.

2 Measured with a 10 MHz input frequency at rated sample rate, full-scale sine wave, with approximately 5 pF loading on each output bit.

3 Input capacitance refers to the effective capacitance between one differential input pin and AGND.

4 Standby power is measured with a dc input and the clock active.

Rev. 0 | Page 4 of 32

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