AD9860 データシートの表示（PDF） - Analog Devices

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AD9860

Mixed-Signal Front-End (MxFE™) Processor for Broadband Communications

Analog Devices 

AD9860/AD9862–SPECIFICATIONS (VA = 3.3 V ؎ 5%, VD = 3.3 V ؎ 10%, fDAC = 128 MHz, fADC = 64 MHz

Normal Timing Mode, 2؋ DLL Setting, RSET = 4 k⍀, 50 ⍀ DAC Load,

RxPGA = +6 dB Gain, TxPGA = +20 dB Gain.)

Tx PARAMETERS

Temp

Test

Level

AD9860/AD9862

Min

Typ

Max

Unit

12-/14-BIT DAC CHARACTERISTICS

Resolution

Maximum Update Rate

Full-Scale Output Current

Gain Error (Using Internal Reference)

Offset Error

Reference Voltage (REFIO Level)

Negative Differential Nonlinearity (–DNL)

Positive Differential Nonlinearity (+DNL)

Integral Nonlinearity (INL)

Output Capacitance

Phase Noise @ 1 kHz Offset, 6 MHz Tone

Crystal and OSC IN Multiplier Enabled at 4ϫ

Output Voltage Compliance Range

NA

NA

Full

I

25ºC

I

25ºC

I

25ºC

I

25ºC

III

25ºC

III

25ºC

III

25ºC

III

25ºC

III

Full

II

12/14

Bits

128

MSPS

2

20

mA

–5.5

+0.5

+5.5

%FS

–1

0.0

+1

%FS

1.15

1.22

1.28

V

–0.5/–0.5

LSB

1/2

LSB

± 1/± 3

LSB

5

pF

–115

dBc/Hz

–0.5

+1.5

V

TRANSMIT TxPGA CHARACTERISTICS

Gain Range

Step Size Accuracy

Step Size

25ºC

III

25ºC

III

25ºC

III

20

dB

± 0.1

dB

0.08

dB

Tx DIGITAL FILTER CHARACTERISTICS

Hilbert Filter Pass Band (<0.1 dB Ripple)

2ϫ/4ϫ Interpolator Stop Band2

Full

II

Full

II

DYNAMIC PERFORMANCE (AOUT = 20 mA FS, f = 1 MHz)

Differential Phase

25ºC

III

Differential Gain

25ºC

III

AD9860 Signal-to-Noise Ratio (SNR)

Full

I

AD9860 Signal-to-Noise and Distortion Ratio

Full

I

AD9860 Total Harmonic Distortion (THD)

Full

I

AD9860 Wideband SFDR (to Nyquist)

1 MHz Analog Out, IOUT = 2 mA

1 MHz Analog Out, IOUT = 20 mA

6 MHz Analog Out, IOUT = 20 mA

AD9860 Narrowband SFDR (1 MHz Window)

25ºC

III

25ºC

I

25ºC

III

1 MHz Analog Out, IOUT = 2 mA

1 MHz Analog Out, IOUT = 20 mA

AD9862 Signal-to-Noise Ratio (SNR)

25ºC

III

25ºC

I

Full

I

AD9862 Signal-to-Noise and Distortion Ratio

Full

I

AD9862 Total Harmonic Distortion (THD)

Full

I

AD9862 Wideband SFDR (to Nyquist)

1 MHz Analog Out, IOUT = 2 mA

1 MHz Analog Out, IOUT = 20 mA

6 MHz Analog Out, IOUT = 20 mA

AD9862 Narrowband SFDR (1 MHz Window)

25ºC

III

25ºC

I

25ºC

III

1 MHz Analog Out, IOUT = 2 mA

25ºC

III

1 MHz Analog Out, IOUT = 20 mA

25ºC

I

12.5

68.2

62.5

64.4

83

68.9

64.75

64.9

83

<0.1

<1

70.7

66.1

–74.5

70.6

75

75

70.2

90

72.0

69.8

–75.5

70.6

76.0

76.0

70.2

90

38

± 38

–64.0

–65.0

% fDATA1

% fDATA

Degree

LSB

dB

dB

dB

dBc

dBc

dBc

dBc

dBc

dB

dB

dB

dBc

dBc

dBc

dBc

dBc

Rx PARAMETERS

RECEIVE BUFFER

Input Resistance (Differential)

Input Capacitance (Each Input)

Maximum Input Bandwidth (–3 dB)

Analog Input Range (Best Noise Performance)

Analog Input Range (Best THD Performance)

Full

III

Full

III

Full

III

Full

II

Full

II

200

W

5

pF

140

MHz

2

V p-p Diff

1

V p-p Diff

RECEIVE PGA CHARACTERISTICS

Gain Error

Gain Range

Step Size Accuracy

Step Size

Input Bandwidth (–3 dB, Rx Buffer Bypassed)

25ºC

I

25ºC

I

25ºC

I

25ºC

I

25ºC

III

± 0.3

dB

19

20

21

dB

± 0.2

dB

1

dB

250

MHz

10-/12-BIT ADC CHARACTERISTICS

Resolution

Maximum Conversion Rate

NA

NA

10/12

Full

I

64

Bits

MHz

–2–

REV. 0

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