AD5621BKSZ-500RL7 Analog Devices Inc, AD5621BKSZ-500RL7 Datasheet - Page 18

• Manufacturer Part Number: AD5621BKSZ-500RL7
• Description: IC DAC 12BIT SPI 5V SC70-6
• Manufacturer: Analog Devices Inc
• Series: nanoDAC™r

Specifications of AD5621BKSZ-500RL7

• Data Interface: SPI™
• Settling Time: 6µs
• Number Of Bits: 12
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 500µW
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-70-6, SC-88, SOT-363
• Resolution (bits): 12bit
• Sampling Rate: 1.7MSPS
• Input Channel Type: Serial
• Supply Voltage Range - Analog: 2.7V To 5.5V
• Supply Current: 75µA
• Digital Ic Case Style: SC-70
• Number Of Channels: 1
• Resolution: 12b
• Interface Type: Serial (3-Wire, SPI, QSPI, Microwire)
• Single Supply Voltage (typ): 3.3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Architecture: Resistor-String
• Power Supply Requirement: Single
• Output Type: Voltage
• Integral Nonlinearity Error: ±1LSB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 6
• Package Type: SC-70
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD5601/AD5611/AD5621
APPLICATIONS
CHOOSING A REFERENCE AS POWER SUPPLY FOR
THE AD5601/AD5611/AD5621
The AD5601/AD5611/AD5621 come in a tiny SC70 package
with less than a 100 μA supply current. Because of this, the
choice of reference depends on the application requirements.
For applications with space-saving requirements, the
recommended. It is available in an SC70 package and has excellent
drift at 9 ppm/°C (3 ppm/°C in the R-8 package) and provides very
good noise performance at 3.4 μV p-p in the 0.1 Hz to 10 Hz range.
Because the supply current required by the AD5601/AD5611/
AD5621 is extremely low, the parts are ideal for low supply
applications. The
this case. It requires less than 100 μA of quiescent current and
can, therefore, drive multiple DACs in one system, if required. It
also provides very good noise performance at 8 μV p-p in the
0.1 Hz to 10 Hz range.
Some recommended precision references for use as supplies to
the AD5601/AD5611/AD5621 are listed in Table 7.
Table 7. Precision References for the AD5601/AD5611/AD5621
Part No.
ADR435
ADR425
ADR02
ADR02
ADR395
INTERFACE
Figure 50. ADR395 as Power Supply to the AD5601/AD5611/AD5621
SERIAL
3-WIRE
Initial
Accuracy
(mV max)
±2
±2
±3
±3
±5
7V
SYNC
SCLK
SDIN
ADR395
ADR395
Temp Drift
(ppm/°C max)
3 (R-8)
3 (R-8)
3 (R-8)
3 (SC70)
9 (TSOT-23)
voltage reference is recommended in
AD5601/AD5611/
5V
AD5621
0.1 Hz to 10 Hz
Noise (μV p-p typ)
8
3.4
10
10
8
V
OUT
= 0V TO 5V
ADR02
Rev. E | Page 18 of 20
is
BIPOLAR OPERATION USING THE
AD5601/AD5611/AD5621
The AD5601/AD5611/AD5621 have been designed for single-
supply operation, but a bipolar output range is also possible
using the circuit shown in Figure 51. The circuit in Figure 51
gives an output voltage range of ±5 V. Rail-to-rail operation at
the amplifier output is achievable using an
the output amplifier.
The output voltage for any input code can be calculated as
where D represents the input code in decimal (0 – 2
With V
This is an output voltage range of ±5 V, with 0x0000 corre-
sponding to a −5 V output and 0x3FFF corresponding to a
+5 V output.
+5V
V
V
Figure 51. Bipolar Operation with the AD5601/AD5611/AD5621
OUT
OUT
DD
= 5 V, R1 = R2 = 10 kΩ
=
=
10µF
⎡
⎢
⎣
⎛
⎜
⎝
V
10
DD
2
×
N
×
0.1µF
D
⎛
⎜
⎝
2
⎞
⎟
⎠
D
N
−
V
AD5601/AD5611/
⎞
⎟
⎠
DD
5
×
V
⎛
⎜
⎝
INTERFACE
R1 = 10kΩ
AD5621
R1
3-WIRE
SERIAL
R1
+
R2
V
⎞
⎟
⎠
OUT
−
V
DD
AD820
R2 = 10kΩ
AD820/
OP295
+5V
–5V
×
⎛
⎜
⎝
R2
R1
or
⎞
⎟
⎠
N
⎤
⎥
⎦
).
OP295
+5V
as