AD9865-EB datasheet(3/48 Pages) AD

Part #	AD9865-EB

Description	Broadband Modem Mixed-Signal Front End

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AD9865

Rev. A | Page 3 of 48

SPECIFICATIONS

Tx PATH SPECIFICATIONS

AVDD = 3.3 V ± 5%, DVDD = CLKVDD = DRVDD = 3.3 V ± 10%; fOSCIN = 50 MHz, fDAC = 200 MHz, RSET = 2.0 kΩ, unless otherwise

noted.

Table 1.

Parameter

Temp

Test Level

Min

Typ

Max

Unit

TxDAC DC CHARACTERISTICS

Resolution

Full

10

Bits

Update Rate

Full

II

200

MSPS

Full-Scale Output Current (IOUTP_FS)

Full

IV

2

25

mA

Gain Error1

25°C

I

±2

% FS

Offset Error

25°C

V

2

µA

Voltage Compliance Range

Full

−1

+1.5

V

TxDAC GAIN CONTROL CHARACTERISTICS

Minimum Gain

25°C

V

−7.5

dB

Maximum Gain

25°C

V

0

dB

Gain Step Size

25°C

V

0.5

dB

Gain Step Accuracy

25°C

IV

Monotonic

Gain Range Error

25°C

V

±2

dB

TxDAC AC CHARACTERISTICS2

Fundamental

0.5

dBm

Signal-to-Noise and Distortion (SINAD)

Full

IV

62.0

63.1

dBc

Signal-to-Noise Ratio (SNR)

Full

IV

62.5

63.2

dBc

Total Harmonic Distortion (THD)

Full

IV

−77.7

−67.0

dBc

Spurious-Free Dynamic Range (SFDR)

Full

IV

67.1

79.3

dBc

IAMP DC CHARACTERISTICS

IOUTN Full-Scale Current = IOUTN+ + IOUTN−

Full

IV

2

105

mA

IOUTG Full-Scale Current = IOUTG+ + IOUTG−

Full

IV

2

150

mA

AC Voltage Compliance Range

Full

IV

1

7

V

IAMPN AC CHARACTERISTICS3

Fundamental

25°C

13

dBm

IOUTN SFDR (Third Harmonic)

Full

IV

43.3

45.2

dBc

IAMP GAIN CONTROL CHARACTERISTICS

Minimum Gain

25°C

V

−19.5

dB

Maximum Gain

25°C

V

0

dB

Gain Step Size

25°C

V

0.5

dB

Gain Step Accuracy

25°C

IV

Monotonic

dB

IOUTN Gain Range Error

25°C

V

0.5

dB

REFERENCE

Internal Reference Voltage4

25°C

I

1.23

V

Reference Error

Full

V

0.7

3.4

%

Reference Drift

Full

V

30

ppm/oC

Tx DIGITAL FILTER CHARACTERISTICS (2× Interpolation)

Latency (Relative to 1/fDAC)

Full

V

43

Cycles

−0.2 dB Bandwidth

Full

V

0.2187

fOUT/fDAC

−3 dB Bandwidth

Full

V

0.2405

fOUT /fDAC

Stop-Band Rejection (0.289 fDAC to 0.711 fDAC)

Full

V

50

dB

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