[sdiy] DG413 question

[harrybissell at copper.net]

Don't know about tying the gnd to -15

I have tied the logic supply
of the DG444 to =15 with no ill
effect. The logic switching voltage
stays arounf the specified +2.5 or so
volts.

wonder why they even include that
pin ???

H^) harry

>
>
>---- Original Message ----
>From: jhaible at debitel.net
>To: synth-diy at dropmix.xs4all.nl
>Subject: RE: [sdiy] DG413 question
>Date: Wed, 31 Jan 2007 22:10:19 +0100
>
>>I should be able to read this in the data sheet, and I think I did -
>I'm 
>>just asking to be 100% sure:
>>
>>If I don't want to make use of the DG413's level shift capabilities,
>I can 
>>do the following, can't I ?
>>
>>Connect GND and V- pins both to -15V, and
>>connect VL and V+ pins both to +15V
>>
>>and control the logic inputs with -15V = Low and +15V = high
>>
>>(For a simple application where connecting these adjacent pins
>together is 
>>the easiest way.)
>>
>>JH.