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(AD5424 - AD5547) High Bandwidth Multiplying DACs - Analog Devices

Número de pieza AD5447
Descripción (AD5424 - AD5547) High Bandwidth Multiplying DACs
Fabricantes Analog Devices 
Logotipo Analog Devices Logotipo
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AD5447 datasheet

1 Page

AD5447 pdf
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Rating
VDD to GND
RFB, ROFS, R1, RCOM, and VREF to GND
Logic Inputs to GND
–0.3 V, +8 V
–18 V, 18 V
–0.3 V, +8 V
V(IOUT) to GND
Input Current to Any Pin except Supplies
Thermal Resistance (θJA)1
Maximum Junction Temperature (TJ MAX)
Operating Temperature Range
Storage Temperature Range
Lead Temperature
–0.3 V, VDD + 0.3 V
±50 mA
150°C
–40°C to +125°C
–65°C to +150°C
Vapor Phase, 60 s
215°C
Infrared, 15 s
220°C
AD5547/AD5557
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those listed in the operational sections
of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
1 Package power dissipation = (TJ MAX – TA)/θJA.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on
the human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev. 0 | Page 5 of 20

5 Page

AD5447 arduino
AD5547/AD5557
3.0
2.5
2.0
0x5555
1.5
0x8000
1.0
0xFFFF
0x0000
0.5
0
10k 100k
1M
10M
100M
CLOCK FREQUENCY (Hz)
Figure 12. AD5547 Supply Current vs. Clock Frequency
90
80
70
60
50
40
30
20
10
0
10
VDD = 5V ± 10%
VREF = 10V
100 1k 10k 100k 1M
FREQUENCY (Hz)
Figure 13. Power Supply Rejection Ratio vs. Frequency
LDAC (5V/DIV)
VDD = 5V
VREF = 10V
CODES 0x8000 0x7FFF
VOUT (50mV/DIV)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
TIME (µs)
Figure 15. AD5547 Midscale Transition and Digital Feedthrough
REF LEVEL
0.000dB
0xFFFF
0x8000
0x4000
0x2000
0x1000
0x0800
0x0400
0x0200
0x0100
0x0080
0x0040
0x0020
0x0010
0x0008
0x0004
0x0002
0x0001
0x0000
/DIV
12.000dB
10 100
START 10.000Hz
1k
MARKER 4 41 677.200Hz
MAG (A/R) –2.939db
–12dB
–24dB
–36dB
–48dB
–60dB
–72dB
–84dB
–96dB
–108dB
10k 100k 1M 10M
STOP 50 000 000.000Hz
Figure 16. AD5547 Unipolar Reference Multiplying Bandwidth
LDAC
1
2
CH1 5.00V CH2 2.00V M 200ns
VOUT
A CH1 2.70V
B CH1 –6.20V
400.00ns
Figure 14. Settling Time from Full Scale to Zero Scale
REF LEVEL
0.000dB
0 ALL BITS ON
D15 AND D14 ON
–12 D15 AND D13 ON
D15 AND D12 ON
–24 D15 AND D11 ON
D15 AND D10 ON
–36
D15 AND D9 ON
D15 AND D8 ON
–48
D15 AND D7 ON
–60 D15 AND D6 ON
D15 AND D5 ON
–72 D15 AND D4 ON
D15 AND D3 ON
D15 AND D2 ON
–84
D15 AND D1 ON
–96
/DIV
12.000dB
–108
D15 AND D0 ON
D15 ON
–120
10
100
START 10.000Hz
1k
10k
100k
1M 10M
STOP 10 000 000.000Hz
Figure 17. AD5547 Bipolar Reference Multiplying Bandwidth (Codes from
Midscale to Full Scale)
Rev. 0 | Page 10 of 20

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