Ah, Andrew brings back old memories --
So off to my archives, and he returns with an ancient Motorola "Linear
Integrated Circuits" data book bearing a 1979 publishing date.
Therein on P. 6-74 one finds the data sheet for the MC1595L and MC1495L.
Note: The index of data sheets lists the part without the L suffix. The
suffix is added when one gets to the actual data sheet but no explanation of
its meaning seems to be available.
And, of course, Andrew is correct. the MC14xx parts are 0 to 70 deg C
(entertainment grade), and the MC15xx parts are -55 to 125 deb C (Mil Spec
grade.
In this book are data sheets for the following parts:
MC1494L, MC1594L - Monolithic Four Quadrant Multiplier
MC1495L, MC1595L - Wideband Monolithic Four-Quadrant Multiplier.
MC1496, MC1596 - Balanced Modulator - Demodulator
A copy of AN489 will follow as an attachment to a direct email.
Bob Smith
--- Avoid computer viruses, Practice safe hex ---
-- Specializing in small, cost effective
embedded control systems --
Robert L. (Bob) Smith
Smith Machine Works, Inc.
9900 Lumlay Road
Richmond, VA 23236 804/745-1065
[EMAIL PROTECTED]
----- Original Message -----
To: "Multiple recipients of list CHIPDIR-L" <[EMAIL PROTECTED]>
Sent: Monday, November 11, 2002 3:33 PM
Hmm, things aren't quite as I remembered them....
The datasheets from ON Semi should let you tell the difference between
the MC1495 and MC1494. But it seems ON Semi doesn't use the
MC159* numbers anymore, like Motorola did.
I'm fairly certain that the MC159* parts were specified over the military
temperature/voltage ranges, and their MC149* equivalents were their
commercial range counterparts. (Or vice-versa.) Now, it seems,
ON Semi uses just the MC149* part number, with a suffix to tell the
mil/commercial versions apart.
Andy
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