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AD5694RARUZ-RL7 Datasheet(PDF) 8 Page - Analog Devices

Part # AD5694RARUZ-RL7
Description  Quad 16-/14-/12-Bit nanoDAC
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5694RARUZ-RL7 Datasheet(HTML) 8 Page - Analog Devices

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AD5696R/AD5695R/AD5694R
Data Sheet
Rev. 0 | Page 8 of 32
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Figure 3. 16-Lead LFCSP Pin Configuration
Figure 4. 16-Lead TSSOP Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Description
LFCSP
TSSOP
1
3
VOUTA
Analog Output Voltage from DAC A. The output amplifier has rail-to-rail operation.
2
4
GND
Ground Reference Point for All Circuitry on the Part.
3
5
VDD
Power Supply Input. These parts can be operated from 2.7 V to 5.5 V, and the supply should be
decoupled with a 10 µF capacitor in parallel with a 0.1 µF capacitor to GND.
4
6
VOUTC
Analog Output Voltage from DAC C. The output amplifier has rail-to-rail operation.
5
7
VOUTD
Analog Output Voltage from DAC D. The output amplifier has rail-to-rail operation.
6
8
SDA
Serial Data Input. This pin is used in conjunction with the SCL line to clock data into or out of the
24-bit input shift register. SDA is a bidirectional, open-drain data line that should be pulled to the
supply with an external pull-up resistor.
7
9
LDAC
LDAC can be operated in two modes, asynchronously and synchronously. Pulsing this pin low allows
any or all DAC registers to be updated if the input registers have new data. This allows all DAC outputs
to simultaneously update. This pin can also be tied permanently low.
8
10
GAIN
Span Set Pin. When this pin is tied to GND, all four DAC outputs have a span from 0 V to VREF. If this
pin is tied to VDD, all four DACs output a span of 0 V to 2 × VREF.
9
11
VLOGIC
Digital Power Supply. Voltage ranges from 1.8 V to 5.5 V.
10
12
A0
Address Input. Sets the first LSB of the 7-bit slave address.
11
13
SCL
Serial Clock Line. This is used in conjunction with the SDA line to clock data into or out of the 24-bit
input register.
12
14
A1
Address Input. Sets the second LSB of the 7-bit slave address.
13
15
RESET
Asynchronous Reset Input. The RESET input is falling edge sensitive. When RESET is low, all LDAC
pulses are ignored. When RESET is activated, the input register and the DAC register are updated
with zero scale or midscale, depending on the state of the RSTSEL pin.
14
16
RSTSEL
Power-On Reset Pin. Tying this pin to GND powers up all four DACs to zero scale. Tying this pin to
VDD powers up all four DACs to midscale.
15
1
VREF
Reference Voltage. The AD5696R/AD5695R/AD5694R have a common reference pin. When using
the internal reference, this is the reference output pin. When using an external reference, this is the
reference input pin. The default for this pin is as a reference output.
16
2
VOUTB
Analog Output Voltage from DAC B. The output amplifier has rail-to-rail operation.
17
N/A
EPAD
Exposed Pad. The exposed pad must be tied to GND.
12
11
10
1
3
4
A1
SCL
A0
9
VLOGIC
VOUTA
VDD
2
GND
VOUTC
AD5696R/AD5695R/AD5694R
NOTES
1. THE EXPOSED PAD MUST BE TIED TO GND.
TOP VIEW
(Not to Scale)
1
2
3
4
5
6
7
8
VOUTB
VOUTA
GND
VOUTD
VOUTC
VDD
VREF
SDA
16
15
14
13
12
11
10
9
RESET
A1
SCL
GAIN
LDAC
VLOGIC
A0
RSTSEL
TOP VIEW
(Not to Scale)
AD5696R/
AD5695R/
AD5694R


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