AD10265_15 datasheet(3/24 Pages) AD

No de pièce	AD10265

Description	Dual Channel, 12-Bit, 65 MSPS A/D Converter

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Fabricant	AD [Analog Devices]

Site Internet	http://www.analog.com

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Test

Mil

AD10265AZ

Parameter

Temp

Level

Subgroup

Min

Typ

Max

Unit

SPURIOUS-FREE DYNAMIC RANGE

9

Analog Input @ 1.24 MHz

25

°C

I

4

75

80

dBFS

Full

II

5, 6

74

80

dBFS

@ 17 MHz

25

°C

I

4

71

80

dBFS

Full

II

5, 6

70

79

dBFS

@ 32 MHz

25

°C

V

79

dBFS

Full

V

79

dBFS

TWO-TONE IMD REJECTION

10

f1, f2 @ –7 dBFS

Full

V

4, 5, 6

66

77

dBc

CHANNEL-TO-CHANNEL ISOLATION

11

25

°CIV

12

80

dB

LINEARITY

Differential Nonlinearity

(Encode = 20 MHz)

25

°C

IV

12

–1.0

±0.5

+1.5

LSB

Integral Nonlinearity

(Encode = 20 MHz)

Full

V

±1.25

LSB

DIGITAL OUTPUTS

Logic Compatibility

CMOS

Logic “1” Voltage

Full

I

1, 2, 3

2.8

DVCC – 0.2

V

Logic “0” Voltage

Full

I

1, 2, 3

0.2

0.5

V

Output Coding

Two’s Complement

POWER SUPPLY

AVCC Supply Voltage

Full

V

+5.0

V

I (AVCC) Current

Full

V

336

mA

AVEE Supply Voltage

Full

V

–5.0

V

I (AVEE) Current

Full

V

66

mA

DVCC Supply Voltage

Full

V

+3.3

V

I (DVCC) Current

Full

V

20

mA

ICC (Total) Supply Current

Full

I

1, 2, 3

422

520

mA

Power Dissipation (Total)

Full

I

1, 2, 3

2.1

2.4

W

Power Supply Rejection Ratio (PSRR)

Full

IV

12

0.01

0.02

% FSR/% VS

NOTES

1Gain tests are performed on A

IN1 over specified input voltage range.

2Input capacitance specifications show only ceramic package capacitance.

3Full power bandwidth is the frequency at which the spectral power of the fundamental frequency (as determined by FFT analysis) is reduced by 3 dB.

4ENCODE driven by single-ended source;

ENCODE bypassed to ground through 0.01

µF capacitor.

5ENCODE may also be driven differentially in conjunction with

ENCODE; see “Encoding the AD10265” for details.

6Minimum and maximum conversion rates allow for variation in Encode Duty Cycle of 50%

± 5%.

7Analog Input signal power at –1 dBFS; signal-to-noise ratio (SNR) is the ratio of signal level to total noise (first 5 harmonics removed). Encode = 65 MSPS.

8Analog Input signal power at –1 dBFS; signal-to-noise and distortion (SINAD) is the ratio of signal level to total noise + harmonics. Encode = 65 MSPS.

9Analog Input signal equal –1 dBFS; SFDR is ratio of converter full scale to worst spur.

10Both input tones at –7 dBFS; two-tone intermodulation distortion (IMD) rejection is the ratio of either tone to the worst third order intermod product. f1 = 17.0 MHz

± 100 kHz, f2 = 18.0 MHz ± 100 kHz.

11Channel-to-channel isolation tested with A channel/50 ohm terminated <A

IN2 grounded, and a full-scale signal applied to B channel (A IN1).

All specifications guaranteed within 100 ms of initial power-up, regardless of sequencing.

Specifications subject to change without notice.

AD10265

–3–

REV. A

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