MAX7393 datasheet(5/9 Pages) MAXIM

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Precision Silicon Oscillators with

Enable or Autoenable

_______________________________________________________________________________________

Pin Description

MAX7393

MAX7394

NAME

FUNCTION

VCC

Positive Supply Voltage Input. Bypass VCC to GND with 0.1µF capacitors placed as close to

the device as possible. Connect VCC to VCC2.

GND

Ground

I.C.

Internally Connected. Connect I.C. to GND. Do not connect I.C. to any other input or output.

Do not leave I.C. unconnected.

—

CLKIN

Clock Input. Connect CLKIN to a returned clock signal source (see the Autoenable (CLKIN,

MAX7393) section).

CLOCK

Clock Output. CLOCK is a rail-to-rail, push-pull output.

VCC2

Positive Supply Voltage Input for Output Driver. Bypass VCC2 to GND with a 0.1µF capacitor

placed as close to the device as possible. Connect VCC2 to VCC.

—

ENABLE

Enable Input. Drive ENABLE low to place the MAX7394 in shutdown mode. Drive ENABLE

high for normal operation.

——

Exposed Paddle, TDFN Version Only. Connect EP to ground. Do not connect EP to any other

input or output.

MAX7394 SETTLING TIME FROM START

MAX7393 toc09

CLOCK

2V/div

ENABLE

2V/div

400

µs/div

CLOCK OUTPUT WAVEFORM

WITH CL = 10pF

MAX7393 toc10

CLOCK

1V/div

10ns/div

Typical Operating Characteristics (continued)

(VCC = VCC2 = 3.3V, TA = +25°C, MAX7394, 48MHz output, unless otherwise noted.)

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