AD9853AS 데이터 시트보기 (PDF) - Analog Devices

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AD9853AS

Programmable Digital QPSK/16-QAM Modulator

Analog Devices 

AD9853

Parameter

Temp Test Level Min Typ Max

Units

TIMING CHARACTERISTICS (Continued)

Wake-Up Time–PLL Power-Down

Wake-Up Time–DAC Power-Down

Wake-Up Time–Digital Power-Down

Data Latency (tDL)

Minimum RESET Pulsewidth Low (tRL)

+25°C IV

+25°C IV

+25°C IV

+25°C IV

+25°C IV

1

ms

200

µs

5

µs

6

Symbols

10

ns

CMOS LOGIC INPUTS

Logic “1” Voltage, +5 V Supply

Logic “1” Voltage, +3.3 V Supply

Logic “0” Voltage

Logic “1” Current

Logic “0” Current

Input Capacitance

+25°C I

+25°C I

+25°C I

+25°C I

+25°C I

+25°C V

+3.5

V

+3.0

V

+0.4

V

12

µA

12

µA

3

pF

POWER SUPPLY2

+VS Current (+3.3 V + 5%)

Full Operating Conditions

+25°C I

184 230

mA

With PLL Power-Down Enabled

+25°C I

178 224

mA

OBSOLETE With DAC Power-Down Enabled

With Digital Power-Down Enabled

With All Power-Down Enabled

+VS Current (+5 V + 5%)

+25°C I

+25°C I

+25°C I

+25°C I

NOTES

1Reference clock = 28 MHz with clock multiplier enabled; supply voltage = +5 V.

2Maximum values are obtained under worst case operating modes. Typical values are valid for most applications.

Specifications subject to change without notice.

170 216

mA

36 54

mA

16 20

mA

400 595

mA

EXPLANATION OF TEST LEVELS

Test Level

I – 100% Production Tested.

III – Sample Tested Only.

IV – Parameter is guaranteed by design and characterization

testing.

V – Parameter is a typical value only.

VI – Devices are 100% production tested at +25°C and

ABSOLUTE MAXIMUM RATINGS*

Maximum Junction Temperature . . . . . . . . . . . . . . . +150°C

VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V

Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . –0.7 V to +VS

Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 5 mA

Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C

Operating Temperature . . . . . . . . . . . . . . . . . –40°C to +85°C

Lead Temperature (10 sec Soldering) . . . . . . . . . . . . +300°C

guaranteed by design and characterization testing for

MQFP θJA Thermal Impedance . . . . . . . . . . . . . . . . . 36°C/W

industrial operating temperature range.

*Absolute maximum ratings are limiting values, to be applied individually, and

beyond which the serviceability of the circuit may be impaired. Functional

operability under any of these conditions is not necessarily implied. Exposure of

absolute maximum rating conditions for extended periods of time may affect device

reliability.

ORDERING GUIDE

Model

Temperature Package

Range

Description

Package

Option

AD9853AS –40°C to +85°C Metric Quad Flatpack S-44A

(MQFP)

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection.

Although the AD9853 features proprietary ESD protection circuitry, permanent damage may

occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD

precautions are recommended to avoid performance degradation or loss of functionality.

WARNING!

ESD SENSITIVE DEVICE

REV. C

–3–

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