ADF4196 查看數據表（PDF） - Analog Devices

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产品描述 (功能)

比赛名单

ADF4196

Low Phase Noise, Fast Settling, 6 GHz PLL Frequency Synthesizer

Analog Devices 

Data Sheet

5

4

VTUNE

3

2

1

0

–1 0

CPOUT+

CPOUT–

DCS1800 Tx SETUP, 60kHz LOOP BW.

MEASURED ON EVAL-ADF4193EBZ1

EVALUATION BOARD.

TIMERS: ICP = 28, SW1/SW2, SW3 = 35.

FREQUENCY LOCK IN WIDE BW MODE @ 4µs.

123456789

TIME (µs)

Figure 10. VTUNE Settling Transient for a 75 MHz Jump from 1818 MHz to

1893 MHz with Sirenza 1843T VCO

50

40

30

20

10

0

–10

–20

–30

–40

–50

–5 0

+25°C

DCS1800 Tx SETUP, 60kHz LOOP BW.

MEASURED ON EVAL-ADF4193EBZ1

EVALUATION BOARD WITH AD8302

PHASE DETECTOR.

TIMERS: ICP = 28, SW1/SW2, SW3 = 35.

PEAK PHASE ERROR < 5° @ 17.8µs

–40°C +85°C

5 10 15 20 25 30 35 40 45

TIME (µs)

Figure 11. Phase Settling Transient for a 75 MHz Jump from 1818 MHz to

1893 MHz (VTUNE = 1.8 V to 3.7 V with Sirenza 1843T VCO)

8

2.0

ICPOUT + P, ICPOUT – P

6

1.5

4

IUP = | ICPOUT + P | + | ICPOUT – N |

1.0

IDOWN = | ICPOUT – P | + | ICPOUT + N |

2

0.5

CHARGE PUMP MISMATCH (%)

0

0

–2

NORMAL OPERATING RANGE

–0.5

–4

–1.0

–6

–1.5

ICPOUT + N, ICPOUT – N

–8

–2.0

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

CPOUT + / CPOUT – VOLTAGE (V)

Figure 12. Differential Charge Pump Output Compliance Range and

Charge Pump Mismatch with VP1 = VP2 = 5 V

ADF4196

5

DCS1800 Tx SETUP, 60kHz LOOP BW.

MEASURED ON EVAL-ADF4193EBZ1

EVALUATION BOARD.

4

TIMERS: ICP = 28, SW1/SW2, SW3 = 35.

FREQUENCY LOCK IN WIDE BW MODE @ 5µs.

3

CPOUT–

2

VTUNE

1

CPOUT+

0

–1 0 1 2 3 4 5 6 7 8 9

TIME (µs)

Figure 13. VTUNE Settling Transient for a 75 MHz Jump Down from 1893 MHz

to 1818 MHz (Bottom of Allowed Tuning Range) with Sirenza 1843T VCO

50

40

30

20

10

0

–10

–20

–30

–40

–50

–5 0

+25°C

DCS1800 Tx SETUP, 60kHz LOOP BW.

MEASURED ON EVAL-ADF4193EBZ1

EVALUATION BOARD WITH AD8302

PHASE DETECTOR.

TIMERS: ICP = 28, SW1/SW2, SW3 = 35.

PEAK PHASE ERROR < 5° @ 19.2µs

–40°C +85°C

5 10 15 20 25 30 35 40 45

TIME (µs)

Figure 14. Phase Settling Transient for a 75 MHz Jump Down from 1893 MHz

to 1818 MHz (VTUNE = 3.7 V to 1.8 V with Sirenza 1843T VCO)

5

VP1 = VP2 = 5V

VP3 = 5.5V

VCMR = 3.3V

AOUT (= VTUNE)

4

3

CPOUT+ (= AIN+)

2

1

CPOUT– (= AIN–)

0

1780

1800

1820

1840 1860 1880 1900

FREQUENCY (MHz)

1920

1940

Figure 15. Tuning Range with a Sirenza 1843T VCO and a 5.5 V Differential

Amplifier Power Supply Voltage

Rev. B | Page 9 of 28

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