LTC6990IS6-PBF(V2) Просмотр технического описания (PDF) - Linear Technology

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производитель

LTC6990IS6-PBF
(Rev.:V2)

TimerBlox: Voltage Controlled Silicon Oscillator

Linear Technology 

LTC6990

TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3V, unless otherwise noted.

Rise and Fall Time

vs Supply Voltage

3.0

2.5

TA = 25°C

CLOAD = 5pF

2.0

tRISE

1.5

tFALL

1.0

0.5

0

2

3

4

5

6

SUPPLY VOLTAGE (V)

6990 G16

Output Disable Propagation Delay

(tPD) vs Supply Voltage

50

TA = 25°C

45

CLOAD = 5pF

40

35

30

25

20

15

10

5

0

2

3

4

5

6

SUPPLY VOLTAGE (V)

6990 G17

Typical ISET Current Limit vs V+

1000

TA = 25°C

SET PIN SHORTED TO GND

800

600

400

200

0

2

3

4

5

6

SUPPLY VOLTAGE (V)

6990 G18

Typical Output Waveform

V+ = 3.3V

DIVCODE = 2

RSET = 200k

OE

2V/DIV

OUT

2V/DIV

20μs/DIV

6990 G19

Frequency Modulation

VCTRL

2V/DIV

OUT

2V/DIV

Frequency Modulation

VCTRL

2V/DIV

OUT

2V/DIV

fOUT

50kHz/DIV

20μs/DIV

V+ = 3.3V, DIVCODE = 0

RSET = 200k, RVCO = 464k

fOUT = 175kHz to 350kHz

6990 G20

fOUT

50kHz/DIV

20μs/DIV

V+ = 3.3V, DIVCODE = 0

RSET = 200k, RVCO = 464k

fOUT = 175kHz to 350kHz

6990 G21

6990f

7

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