max038 waveform generator

[Ingo Debus]

Chris Crosskey wrote:
> Umm... reading the data books I  would hazard a guess that the MAX038 is an
> <Improved> 8038....seeing as I don't have both data books to hand (I too collect
> old data books) I don't know about pin compatibility, but if it is more linear
> then the various circuits that turn 8038's into proper 1V/Oct VCO's should not
> only work but work better...

In the German mag Elrad 1/95 there's an article comparing the MAX038,
ICL8038AC and XR2206C. Here's a table from that article:

                        MAX038          ICL8038AC         XR2206C
Frequency range         0.1Hz...20MHz   0.001Hz...300kHz  0.01Hz...1MHz
Sweep range             1:350           1:35              1:2000
Temperature drift       200ppm/K        250ppm/K          20ppm/K
Rectangle
 Rise time              12ns            180ns             250ns
 Fall time              12ns            40ns              50ns
Triangle
 Linearity error        0.5%            0.05%             1%
Sine
 Distortion (adjusted)  0.75%           0.8%              0.5%
Variable duty cycle     15%...85%       2%..98%           -
Supply Voltage          +/-5V           +/-10V or 20V     14V
Outputs for Sine,                                         1 Sine/Tri
 Rectangle, Triangle    1 multiplexed   3 simultaneous    1 Rectangle
Case                    20 pin DIP      14 pin DIP        16 pin DIP

Ingo