AD9866 datasheet(5/48 Pages) AD

Part #	AD9866

Description	Broadband Modem Mixed-Signal Front End

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AD9866

Rev. A | Page 5 of 48

Parameter

Temp

Test Level

Min

Typ

Max

Unit

Rx PATH COMPOSITE AC PERFORMANCE @ fADC = 50 MSPS2

RxPGA Gain = 48 dB (Full-Scale = 8.0 mV p-p)

Signal-to-Noise (SNR)

25°C

III

43.7

dBc

Total Harmonic Distortion (THD)

25°C

III

−71

dBc

RxPGA Gain = 24 dB (Full-Scale = 126 mV p-p)

Signal-to-Noise (SNR)

25°C

III

63.1

dBc

Total Harmonic Distortion (THD)

25°C

III

−67.2

dBc

RxPGA Gain = 0 dB (Full-Scale = 2.0 V p-p)

Signal-to-Noise (SNR)

Full

IV

64.3

dBc

Total Harmonic Distortion (THD)

Full

IV

−67.3

dBc

Rx PATH COMPOSITE AC PERFORMANCE @ fADC = 80 MSPS3

RxPGA Gain = 48 dB (Full-Scale = 8.0 m V p-p)

Signal-to-Noise (SNR)

25°C

III

41.8

dBc

Total Harmonic Distortion (THD)

25°C

III

−67

dBc

RxPGA Gain = 24 dB (Full-Scale = 126 m V p-p)

Signal-to-Noise (SNR)

25°C

III

58.6

dBc

Total Harmonic Distortion (THD)

25°C

III

−62.9

dBc

RxPGA Gain = 0 dB (Full-Scale = 2.0 V p-p)

Signal-to-Noise (SNR)

25°C

II

61.1

62.9

dBc

Total Harmonic Distortion (THD)

25°C

II

−70.8

−60.8

dBc

Rx-to-Tx PATH FULL-DUPLEX ISOLATION

(1 V p-p, 10 MHz Sine Wave Tx Output)

RxPGA Gain = 40 dB

IOUTP± Pins to RX± Pins

25°C

III

83

dBc

IOUTG± Pins to RX± Pins

25°C

III

37

dBc

RxPGA Gain = 0 dB

IOUTP± Pins to RX± Pins

25°C

III

123

dBc

IOUTG± Pins to RX± Pins

25°C

III

77

dBc

1 Includes RxPGA, ADC pipeline, and ADIO bus delay relative to fADC.

2 fIN = 5 MHz, AIN = −1.0 dBFS , LPF cutoff frequency set to 15.5 MHz with Reg. 0x08 = 0x80.

3 fIN = 5 MHz, AIN = −1.0 dBFS , LPF cutoff frequency set to 26 MHz with Reg. 0x08 = 0x80.

POWER SUPPLY SPECIFICATIONS

AVDD = 3.3 V, DVDD = CLKVDD = DRVDD = 3.3 V; RSET = 2 kΩ, full-duplex operation with fDATA = 80 MSPS,1 unless otherwise noted.

Table 3.

Parameter

Temp

Test Level

Min

Typ

Max

Unit

SUPPLY VOLTAGES

AVDD

Full

V

3.135

3.3

3.465

V

CLKVDD

Full

V

3.0

3.3

3.6

V

DVDD

Full

V

3.0

3.3

3.6

V

DRVDD

Full

V

3.0

3.3

3.6

V

IS_TOTAL (Total Supply Current)

Full

II

406

475

mA

POWER CONSUMPTION

IAVDD + ICLKVDD (Analog Supply Current)

IV

311

342

mA

IDVDD + IDRVDD (Digital Supply Current)

Full

IV

95

133

mA

POWER CONSUMPTION (Half-Duplex Operation with fDATA = 50 MSPS)1

Tx Mode

IAVDD + ICLKVDD

25°C

IV

112

130

mA

IDVDD + IDRVDD

25°C

IV

46

49.5

mA

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