MAX7378CMTP Просмотр технического описания (PDF) - Maxim Integrated

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MAX7378CMTP

Silicon Oscillator with Low-Power Frequency Switching and Reset Output

Maxim Integrated 

Silicon Oscillator with Low-Power

Frequency Switching and Reset Output

Typical Operating Characteristics (continued)

(VCC = VL = 5V, TA = +25°C, unless otherwise noted.)

FREQUENCY vs. SUPPLY VOLTAGE

4.10

4.08 CLOCK = 4MHz

4.06

4.04

4.02

4.00

3.98

3.96

3.94

3.92

3.90

4.3

4.6

4.9

5.2

5.5

SUPPLY VOLTAGE (V)

FREQUENCY vs. TEMPERATURE

33.0

32.9

32.8

32.7

32.6

32.5

32.4

32.3

32.2

CLOCK = 32kHz

32.1

32.0

-55 -30 -5 20 45 70 95 120

TEMPERATURE (°C)

FREQUENCY vs. TEMPERATURE

4.10

4.08

4.06

4.04

4.02

4.00

3.98

3.96

3.94

CLOCK = 4MHz

3.92

3.90

-55 -30 -5 20 45 70 95 120

TEMPERATURE (°C)

CLOCK OUTPUT WAVEFORM (CL = 10pF)

MAX7378 toc13

CLOCK OUTPUT WAVEFORM (CL = 50pF)

MAX7378 toc14

CLOCK OUTPUT WAVEFORM (CL = 100pF)

MAX7378 toc15

F = 4MHz, CL = 10pF

40ns/div

F = 4MHz, CL = 50pF

40ns/div

F = 4MHz, CL = 100pF

40ns/div

MAXIMUM TRANSIENT DURATION

vs. RESET THRESHOLD

1000

HIGH-SPEED TO LOW-SPEED

TRANSITION

MAX7378 toc17

HIGH-SPEED TO LOW-SPEED

TRANSITION (EXPANDED SCALE)

MAX7378 toc18

RESET OCCURS

ABOVE THE CURVE

100

CLOCK

CLOCK

RESET = 4.29V

10

0

200 400 600 800 1000

RESET THRESHOLD OVERDRIVE (mV)

20µs/div

SPEED

400µs/div

SPEED

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