AD9869BCPZ datasheet(5/37 Pages) AD

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AD9869

Rev. A | Page 4 of 36

Parameter

Temp

Test Level1

Min

Typ

Max

Unit

PLL CLK MULTIPLIER

OSCIN Frequency Range

PLL M Factor Set to 2

Full

MHz

PLL M Factor Set to 4

Full

MHz

PLL M Factor Set to 8

Full

MHz

Internal VCO Frequency Range

Full

200

MHz

Duty Cycle

Full

OSCIN Impedance

25°C

10||03

ΜΩ||pF

CLKOUT1 Jitter6

25°C

III

ps rms

CLKOUT2 Jitter7

25°C

III

ps rms

CLKOUT1 and CLKOUT2 Duty Cycle8

Full

III

1 See the Explanation of Test Levels section.

2 Gain error and gain temperature coefficients are based on the ADC only (with a fixed 1.23 V external reference and a 1 V p-p differential analog input).

3 TxDAC IOUTP_FS = 20 mA, differential output with 1:1 transformer with source and load termination of 50 Ω, fOUT = 5 MHz, 4x interpolation.

4 IOUTN full-scale current = 80 mA, fOSCIN = 80 MHz, fDAC =160 MHz, 2x interpolation.

5 Use external amplifier to drive additional load.

6 Internal VCO operates at 200 MHz; set to divide-by

-1.

7 Because CLKOUT2 is a divided-down version of OSCIN, its jitter is typically equal to OSCIN.

8 CLKOUT2 is an inverted replica of OSCIN, if set to divide-by-1.

Rx PATH SPECIFICATIONS

AVDD = 3.3 V ± 5%, DVDD = CLKVDD = DRVDD = 3.3 V ± 10%, half- or full-duplex operation with CONFIG = 0 default power bias settings,

unless otherwise noted.

Table 2.

Parameter

Temp

Test Level1

Min

Typ

Max

Unit

Rx INPUT CHARACTERISTICS

Input Voltage Span

RxPGA Gain = −10 dB

Full

III

6.33

V p-p

RxPGA Gain = +48 dB

Full

III

mV p-p

Input Common-Mode Voltage

25°C

III

1.3

Differential Input Impedance

25°C

III

400||4.0

Ω||pF

Input Bandwidth with RxLPF Disabled, RxPGA = 0 dB

25°C

III

MHz

Input Voltage Noise Density

RxPGA Gain = 36 dB, f−3 dBF = 26 MHz

25°C

III

2.7

nV/√Hz

RxPGA Gain = 48 dB, f−3 dBF = 26 MHz

25°C

III

2.4

nV/√Hz

RxPGA CHARACTERISTICS

Minimum Gain

25°C

III

−12

Maximum Gain

25°C

III

Gain Step Size

25°C

III

Gain Step Accuracy

25°C

III

Monotonic

Gain Range Error

25°C

III

0.5

RxLPF CHARACTERISTICS

Cutoff Frequency (f−3 dBF ) Range

Full

III

MHz

Attenuation at 55.2 MHz with f−3 dBF = 21 MHz

25°C

III

Pass-Band Ripple

25°C

III

±1

Settling Time

5 dB RxPGA Gain Step @ fADC = 50 MSPS

25°C

III

60 dB RxPGA Gain Step @ fADC = 50 MSPS

25°C

III

100

ADC DC CHARACTERISTICS

Resolution

N/A

Bits

Conversion Rate

Full

MSPS

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