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DAC & ADC

D

DaveC

Jan 1, 1970
0
Hello, I'm Looking for 16 bit ADC and DAC chips with;

- 8 bit parallel interface (two byte read)
- 5 volt digital
- 100 KHz sample rate.
- good for line level audio applications.

Thanks


DaveC
 
M

Mauricio Lange

Jan 1, 1970
0
Have you tried searching the websites of Analog Devices, Texas Instruments,
Burr Brown, etc?

Mauricio
 
P

Pooh Bear

Jan 1, 1970
0
DaveC said:
Hello, I'm Looking for 16 bit ADC and DAC chips with;

- 8 bit parallel interface (two byte read)
- 5 volt digital
- 100 KHz sample rate.
- good for line level audio applications.

Generally speaking, many audio codecs will fit your requirements but for
the absence of 8 bit parallel I/F.

Is serial data totally unsuitable ?


Graham
 
M

Mike Diack

Jan 1, 1970
0
Generally speaking, many audio codecs will fit your requirements but
for the absence of 8 bit parallel I/F.

Is serial data totally unsuitable ?

The Crystal Semi CS4231 and Analog Devices AD1848 are 16 bit stereo
codecs that do 48 KSPS and have an 8 bit parallel I/F (and they are easy
to use). They also have mono modes (since stereo is not specified here)
which may be hotroddable to do 100 KSPS by appropriate loading of the
config registers. Worth a try ?

M
 
D

Dan Fraser

Jan 1, 1970
0
16 Bit you say. Do they still make anything that primitive? Look on the
websites of TI, AKM and Cirrus.
 
D

DaveC

Jan 1, 1970
0
16 Bit you say. Do they still make anything that primitive? Look on the
websites of TI, AKM and Cirrus.

Primitive? I must be looking in the wrong places. Analog Devices seem to do
mainly 12 / 14 bit devices.

DaveC
 
D

DaveC

Jan 1, 1970
0
The Crystal Semi CS4231 and Analog Devices AD1848 are 16 bit stereo
codecs that do 48 KSPS and have an 8 bit parallel I/F (and they are easy
to use). They also have mono modes (since stereo is not specified here)
which may be hotroddable to do 100 KSPS by appropriate loading of the
config registers. Worth a try ?

M

Thanks, I have found a few good bits of information now.

Just an aside question. (Here is where my newbe status shines).

In terms of DAC's whats the difference between Voltage and Current output
they are two seperate classes, and what sorts of applications are they
used in? I need mine to go directly to an audio pre-amp. I'm thinking
Voltage output for that application

Thanks

DaveC
 
P

Pooh Bear

Jan 1, 1970
0
DaveC said:
Thanks, I have found a few good bits of information now.

Just an aside question. (Here is where my newbe status shines).

In terms of DAC's whats the difference between Voltage and Current output
they are two seperate classes, and what sorts of applications are they
used in? I need mine to go directly to an audio pre-amp. I'm thinking
Voltage output for that application

Current outputs always need an op-amp stage following them.

Voltage outputs may either not be at a convenient level or may have limited
drive capability ( and are often differential these days ) so usually need
buffering anyway.


Graham
 
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