AD5384 Analog Devices, AD5384 Datasheet - Page 16

• Manufacturer Part Number: AD5384
• Description: 40-Channel, 3 V/5 V Single Supply,14-Bit, Serial Voltage-Output DAC
• Manufacturer: Analog Devices

Specifications of AD5384

• Resolution (bits): 14bit
• Dac Update Rate: 125kSPS
• Dac Settling Time: 8µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: I2C/Ser 2-wire,Ser,SPI

AD5384
Mnemonic
PD
NC
SPI/ I
SCLK/SCL
DIN/SDA
2
C
Function
Power Down (Level Sensitive, Active High). PD is used to place the device in low power mode, where AI
2 µA and DI
analog output is configured as a high impedance output or provides a 100 kΩ load to ground, depending on how
the power-down mode is configured. The serial interface remains active during power-down.
No Connect. The user is advised not to connect any signals to these pins.
This pin acts as serial interface mode select. When this input is high SPI mode is selected. When low, I
Serial Interface Mode. In serial interface mode, data is clocked into the shift register on the falling edge of SCLK. This
operates at clock speeds up to 30 MHz.
I
mode is compatible with both 100 kHz and 400 kHz operating modes.
Serial Interface Mode. In serial interface mode, this pin acts as the serial data input. Data must be valid on the falling
edge of SCLK.
I
2
2
C Mode. In I
C Mode. In I
DD
2
2
C mode, this pin performs the SCL function, clocking data into the device. The data transfer rate in I
C mode, this pin is the serial data pin (SDA) operating as an open-drain input/output.
to 20 µA. In power-down mode, all internal analog circuitry is placed in low power mode, and the
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2
C is selected.
DD
reduces to
2
C