Description
BUY | DAC0832LCN DAC0832 https://www.utsource.net/itm/p/9768357.html
| Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Conditions |
| Resolution |
|
8 |
|
|
bits |
|
| Output Range |
Vout |
0 |
|
Vref |
V |
|
| Differential Nonlinearity (DNL) |
DNL |
-1 |
±0.5 |
+1 |
LSB |
Over full range |
| Integral Nonlinearity (INL) |
INL |
-1 |
±0.5 |
+1 |
LSB |
Over full range |
| Settling Time |
tsettle |
|
1.0 |
|
μs |
To 0.01% of final value, Vref = 10V |
| Power Supply Voltage |
Vcc |
4.5 |
5.0 |
5.5 |
V |
|
| Reference Input Voltage |
Vref |
0 |
|
10 |
V |
|
| Operating Temperature |
Toper |
-40 |
|
85 |
°C |
|
| Storage Temperature |
Tstg |
-65 |
|
150 |
°C |
|
| Quiescent Current |
Iq |
|
10 |
|
mA |
Vcc = 5V |
| Output Current |
Iout |
|
10 |
20 |
mA |
Vcc = 5V, Vref = 10V |
Instructions for Using DAC0832LCN
Power Supply:
- Connect the Vcc pin to a 5V power supply.
- Connect the GND pin to the ground.
Reference Voltage:
- Apply the reference voltage (Vref) to the Vref pin. The reference voltage can range from 0V to 10V.
- Ensure that the reference voltage is stable and accurate for best performance.
Digital Input:
- Connect the 8-bit digital input lines (D0 to D7) to your microcontroller or other digital source.
- The DAC0832 is an 8-bit DAC, so the digital input should be an 8-bit binary number.
Control Signals:
- Write Control (WR): Active low. When WR is low, the data on the digital input lines is latched into the DAC register.
- Chip Select (CS): Active low. When CS is low, the DAC is selected and ready to accept data.
- Xfer (XFER): Active low. When XFER is low, the data from the DAC register is transferred to the DAC and the output is updated.
Output Configuration:
- The DAC0832 has two operational amplifier outputs: Iout1 and Iout2.
- For a single-ended output, connect Iout1 to an external operational amplifier with a suitable feedback resistor to convert the current output to a voltage.
- For a differential output, use both Iout1 and Iout2 with appropriate external circuitry.
Operation:
- To update the DAC output:
- Set CS low to select the DAC.
- Set WR low to latch the digital input data into the DAC register.
- Set XFER low to transfer the data from the DAC register to the DAC and update the output.
- Return CS, WR, and XFER high to complete the operation.
Powering Down:
- To power down the DAC, set Vcc to 0V or disconnect it from the power supply.
Handling and Storage:
- Store the DAC in a dry, cool environment to avoid damage.
- Handle the DAC with care to avoid static discharge, which can damage the device.
By following these instructions, you can effectively use the DAC0832LCN in your analog-to-digital conversion applications.
(For reference only)
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