LTC6952 datasheet(11/80 Pages) AD

11 / 80 page

LTC6952

6952f

For more information www.analog.com

Preliminary Technical Data

Advance Product Information Subject to Change

Rev PrA

VCO Propagation Delay

vs Frequency, Temperature

Propagation Delay Variation, VCO

Input to OUT4

Closed Loop Reference to Output

Propagation Delay, RAO = 1

Closed Loop Reference to Output

Propagation Delay, RAO = 0

Charge Pump Hi–Z Current

vs Voltage, Temperature

Charge Pump Sink Current Error

vs Voltage, Output Current

Charge Pump Sink Current Error

vs Voltage, Temperature

Charge Pump Source Current

Error vs Voltage, Output Current

Charge Pump Source Current

Error vs Voltage, Temperature

TYPICAL PERFORMANCE CHARACTERISTICS T

A = 25°C, VREF

+ = VOUT+ = VD+ = VVCO+ = 3.3V,

VCP+ = 5V, unless otherwise noted.

FILTV = 0

125°C

70°C

25°C

–40°C

FREQUENCY (MHz)

1000

2000

3000

4000

280

290

300

310

320

330

340

350

360

370

380

6952 G19

NOTE 17

fVCO = 4.5GHz

Mx = 16

SKEW (ps)

325

330

335

340

345

6952 G20

NOTES 17, 19

TPD-REF (ps)

–50

–25

6952 G21

NOTES 17, 19

TPD–REF (ps)

400

425

450

475

500

6952 G22

ICP = 11.2mA

CPRST=1

125°C

25°C

–40°C

OUTPUT VOLTAGE (V)

0.5

1.5

2.5

3.5

4.5

–10

–8

–6

–4

–2

6952 G23

423µA

5.61mA

11.2mA

OUTPUT VOLTAGE (V)

0.5

1.5

2.5

3.5

4.5

–5

–4

–3

–2

–1

6952 G24

ICP = 11.2mA

125°C

25°C

–40°C

OUTPUT VOLTAGE (V)

0.5

1.5

2.5

3.5

4.5

–5

–4

–3

–2

–1

6952 G25

423uA

5.61mA

11.2mA

OUTPUT VOLTAGE (V)

0.5

1.5

2.5

3.5

4.5

–5

–4

–3

–2

–1

6952 G26

ICP = 11.2mA

125°C

25°C

–40°C

OUTPUT VOLTAGE (V)

0.5

1.5

2.5

3.5

4.5

–5

–4

–3

–2

–1

6952 G27

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