AD9543 datasheet(13/66 Pages) AD

номер детали	AD9543

подробное описание детали	Quad Input, 10-Output, Dual DPLL/IEEE 1588 Synchronizer and Jitter Cleaner

PDF	66 Pages

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производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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13 / 66 page

Data Sheet

AD9543

Rev. 0 | Page 13 of 66

AUXILIARY CIRCUIT SPECIFICATIONS

Table 15.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

TIME TO DIGITAL CONVERTERS (TDCs)

Periodic Operation

Applicable to all TDCs contained within the AD9543

Frequency Range

2 × 105

Timestamp Jitter (RMS)

System clock source = 52 MHz crystal

NUMERICALLY CONTROLLED

OSCILLATORS (NCOs)

These NCOs are called AUXNCO0 and AUXNCO1 in the

Fundamental Frequency

Range

65,535

Quantization

1.27

1.37

pHz

pHz is picohertz

Phase Slew Limiter

232

ppb

Actual units are fractional part (ideal)/actual user interval

Output Signal

Pulse Width

Duty Cycle

Assumes the device is programmed to produce a nominal

pulse width of 50%

Quantization

1.4

SYSTEM CLOCK COMPENSATION SPECIFICATIONS

Table 16.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

DIRECT COMPENSATION

Resolution

0.028

ppt

ppt is parts per trillion (10−12)

CLOSED-LOOP COMPENSATION (AUXILIARY DPLL)

Phase Detector Frequency

200

kHz

Loop Bandwidth

0.1

2 × 103

Reference Monitor Threshold

TEMPERATURE SENSOR SPECIFICATIONS

Table 17.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

TEMPERATURE

Accuracy

TA = −50°C to +110°C

Absolute

°C

Relative

1.7

Resolution

0.0078

°C

16-bit (signed) resolution

Conversion Time

0.18

REPEATABILITY

±0.02

°C

TA = 25°C

DRIFT

0.1

°C

500 hour stress test at 100°C

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