User manual

RS232-ADC16/24
8.3 Electrical characteristics
Digital IO
Min Max
Output high level 2.5 V 3.3 V
Output low level - 1.0 V
Input high level 2.0 V 5.0 V
Input low level - 0.8 V
Output current
1
- 75 mA
Analog Input
Min Max
Input voltage
2
0 V 2.5 V (analog max.)
3.6 V (elec. max.)
Resolution
3
- 16/24 bit
Other
Min Max
Supply voltage (VIN, -RI*
connected)
4.5 V 15 V
(absolut max. 20V)
Output voltage (VCC) - 3.3 V
Baud rate 9600 115200
Internal Sysclock ~3 MHz 49 Mhz
1
Constant power consumption (including the device itself) shall not exceed 100
mA.
2
Despite of digital IOs being 5V tolerant analog inputs shall not be driven higher
than 3.6V – voltages over 2.5 V are indistinguishable.
3
Resolution depends on type of device (RS232-ADC16 or RS232-ADC24).
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