B&B Electronics 4 Channel Input Buffer Board SDAIBB Manuale Utente Scaricare il pdf (Pagina 11)

Documentation Number UD128A8D4602 Manual Chapter 1 7

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104

B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph 353-91-792444 – Fax 353-91-792445

4095

4094

4093

4092

1LSB

Input Voltage (V)

Output Reading (Bits)

(Vin * 4096/5)

12-bit A/D with +5V Reference

Ideal Input Voltages and Output Readings

0.00122

0.00244

0.00366

4.99878

4.99756

4.99634

4.99512

Fig. 1.3. 12-Bit A/D Digital Steps to Input Voltages

Analog Outputs

Outputs: 4 Channels

- Single Ended, Voltage output

Notes: (a) Power-up clears and sets output to high impedance state.

(b) The last value output is held (latched) until changed.

Resolution: 10-bit A/D Output: 1024 Steps (values 0 to 1023)

Linear Range: 0 to 4.995 (5V – 1 LSB)

Maximum load Capacitance: 100pF

Output Impedance: ≈ 5 ohms maximum

Recommended Load Impedance: 10K ohms, resistive

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B&B Electronics 4 Channel Input Buffer Board SDAIBB Manuale Utente Pagina 11