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參數(shù)資料
| 型號： | AD5380EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 40-Channel, 3V/5V Single Supply, 14-Bit, Voltage-Output DAC |
| 中文描述： | 40通道，3V/5V單電源，14位，電壓輸出DAC |
| 文件頁數(shù)： | 11/34頁 |
| 文件大?。?/td> | 975K |
| 代理商： | AD5380EB |
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PRELIMINARY TECHNICAL DATA
REV. PrF 09/2003
AD5380
–11–
AD5380 (40-CHANNEL, 14-BIT)
PIN CONFIGURATIONS
AD5380 PIN FUNCTION DESCRIPTIONS
Mnemonic
Function
VOUTX
Buffered analog outputs for channel X. Each analog output is driven by a rail to rail output
amplifier operating at a gain of 2. Each output is capable of driving an output load of 5k to
ground. Typical output impedance is 0.5 ohms.
Analog ground reference points for each group of 8 output channels. All signal_gnd pins are
tied together internally and should be connected to AGND plane as close as possible to the
AD5380.
Each group of 8 channels contains a DAC_GND pin. This is the ground reference point for
the internal 14-bit DACs.These pins shound be connected to the AGND plane.
Analog Ground reference point. Each group of 8 channels contains an AGND pin. All
AGND pins should be connected externally to the AGND plane.
Analog Supply pins. Each group of 8 channels has a separate AVDD pin. These pins should
be decoupled with 0.1uF ceramic capacitors and 10uF tantalum capacitors. Operating range
for the ASD5380-5 is 4.5V to 5.5V and for the AD5380-3 is 2.7V to 3.6V
Ground for all digital circuitry.
Logic Power Supply; Guaranteed operating range is 2.7 V to 5.5 V. Recommended that
these pins be decoupled with 0.1uF ceramic and 10uF tantalum capacitors to DGND.
Ground Reference point for the internal reference.
The AD5380 contains a common REFOUT/REF IN pin. When the internal reference is
selected this pin is the reference output. If the application necessitates the use of an external
reference, it can be applied to this pin and the internal reference disabled vis the control
register. The default for this pin is a reference input.
SIGNAL_GND(1-5)
DAC-GND (1-5)
AGND (1-5)
AVDD (1-5)
DGND
DVDD
REF-GND
REFOUT/REFIN
9
9
9
9
9
8
8
8
8
8
8
8
8
8
D
S
D
D
D
A
A
A
A
A
A
D
D
D
9
9
9
1
C
/
S
A
D
D
D
S
/
I
)
D
D
9
9
5
6
4
3
2
7
8
9
1
11
12
10
16
17
15
14
13
18
19
20
21
22
23
24
25
FIFO EN
CLR
VOUT 24
VOUT 25
VOUT 26
VOUT 27
SIGNAL_GND4
DAC_GND4
AGND4
AVDD4
VOUT 28
VOUT 29
VOUT 30
VOUT 31
REF GND
REFOUT/REFIN
SIGNAL_GND1
DAC_GND1
AVDD1
VOUT 0
VOUT 1
VOUT 2
VOUT 3
VOUT 4
AGND1
2
2
2
3
2
S
D
A
A
V
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
5
3
3
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
D
S
V
V
V
7
7
7
7
8
P
P
W
(
)
L
B
74
73
75
72
71
70
69
65
64
66
67
68
63
62
61
60
59
58
57
56
55
54
53
52
51
RESET
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
REG0
REG1
VOUT 23
VOUT 22
VOUT 21
VOUT 20
AVDD3
AGND3
DAC_GND3
SIGNAL_GND3
VOUT 19
VOUT 18
VOUT 17
VOUT 16
AVDD2
AGND2
PIN 1
IDENTIFIER
TOP VIEW
(Not to Scale)
AD5380
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