LTC6903 datasheet(2/12 Pages) LINER

Part #	LTC6903

Description	1kHz - 68MHz Serial Port Programmable Oscillator

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC6903/LTC6904

2

69034fa

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

∆fi

Initial Frequency Accuracy

f = 1.039kHz, V+ = 3V, CLOAD = 5pF

±0.75

%

∆f

Total Frequency Accuracy (Note 7)

Single Output Active:

Over All Settings, V+ = 2.7V, CLOAD = 5pF

0.5

1.1

%

Over All Settings, V+ = 5.5V, CLOAD = 5pF

0.5

1.6

%

LTC6903CMS8, LTC6904CMS8:

Over All Settings, V+ = 2.7V, CLOAD = 5pF

q

0.5

1.65

%

Over All Settings, V+ = 5.5V, CLOAD = 5pF

q

0.5

2

%

LTC6903HMS8, LTC6903IMS8,

LTC6904HMS8, LTC6904IMS8:

Over All Settings, V+ = 2.7V, CLOAD = 5pF

q

0.5

1.9

%

Over All Settings, V+ = 5.5V, CLOAD = 5pF

q

0.5

2.2

%

fMAX

Maximum Operating Frequency

68

MHz

fMIN

Minimum Operating Frequency

1.039

kHz

∆f/∆T

Frequency Drift Over Temperature

10

ppm/

°C

∆f/∆V

Frequency Drift Over Supply

0.05

%/V

Long Term Frequency Stability

300

ppm/

√kHr

Timing Jitter

1.039kHz to 8.5MHz

0.4

%

(See Graph)

1.039kHz to 68MHz

1

%

Duty Cycle

1.039kHz to 1MHz

q

49

50

51

%

1.039kHz to 68MHz

50

%

ROUT

Output Resistance

CLK, CLK Pins, V+ = 2.7V

45

Ω

VOH

High Level Output Voltage

V+ = 5.5V, 4mA Load

q

4.8

5.3

V

V+ = 2.7V, 4mA Load

q

2

2.3

V

V+ = 5.5V, 1mA Load

q

5.2

5.45

V

V+ = 2.7V, 1mA Load

q

2.3

2.55

V

VOL

Low Level Output Voltage

V+ = 5.5V, 4mA Load

q

0.15

0.3

V

V+ = 2.7V, 4mA Load

q

0.25

0.45

V

V+ = 5.5V, 1mA Load

q

0.05

0.15

V

V+ = 2.7V, 1mA Load

q

0.05

0.2

V

Total Supply Voltage (V+ to GND) .............................. 6V

Maximum Voltage on any Pin

........................... (GND – 0.3V)

≤ VPIN ≤ (V+ + 0.3V)

Output Short Circuit Duration (Note 2) ............ Indefinite

Operating Temperature Range (Note 3)

LTC6903CMS8/LTC6904CMS8 ........... –40

°C to 85°C

LTC6903IMS8/LTC6904IMS8 ............. –40

°C to 85°C

LTC6903HMS8/LTC6904HMS8 ......... –40

°C to 125°C

Specified Temperature Range (Note 4)

LTC6903CMS8/LTC6904CMS8 ........... –40

°C to 85°C

LTC6903IMS8/LTC6904IMS8 ............. –40

°C to 85°C

LTC6903HMS8/LTC6904HMS8 ......... –40

°C to 125°C

Storage Temperature Range .................. –65

°C to 150°C

Lead Temperature (Soldering, 10sec)................... 300

°C

ORDER PART

NUMBER

MS8 PART MARKING*

TJMAX = 150°C, θJA = 200°C/W

LTABN

LTAES

LTC6903CMS8

LTC6903IMS8

LTC6903HMS8

LTC6904CMS8

LTC6904IMS8

LTC6904HMS8

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. V+ = 2.7V to 5.5V, GND = 0V, unless otherwise noted.

*The temperature grade is identified by a label on the shipping container.

Consult LTC Marketing for parts specified with wider operating temperature ranges.

1

2

3

4

GND

SDI

SCK

SEN/ADR*

8

7

6

5

V+

OE

CLK

TOP VIEW

MS8 PACKAGE

8-LEAD PLASTIC MSOP

* SEN (LTC6903)

ADR (LTC6904)

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