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參數(shù)資料
| 型號： | MAX539 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | +5V, Low-Power, Voltage-Output, Serial 12-Bit DACs |
| 中文描述： | +5V、低功耗、電壓輸出、串行12位DAC |
| 文件頁數(shù)： | 13/16頁 |
| 文件大小： | 207K |
| 代理商： | MAX539 |
AC Considerations
Digital Feedthrough
High-speed serial data at any of the digital input or output
pins may couple through the DAC package and cause
internal stray capacitance to appear at the DAC output as
noise, even though
CS
is held high (see Typical Operating
Characteristics). This digital feedthrough is tested by hold-
ing CS high, transmitting 555 hex from DIN to DOUT.
Analog Feedthrough
Because of internal stray capacitance, higher frequency
analog input signals may couple to the output as shown in
the Analog Feedthrough vs. Frequency graph in the
Typical Operating Characteristics It is tested by holding
CS
high, setting the DAC code to all 0s, and sweeping
REFIN.
M
+5V, Low-Power, Voltage-Output,
S erial 12-Bit DACs
______________________________________________________________________________________
13
MAX531
INVERTED
R-2R DAC
DIN DOUT
SIGNAL
IN
2.048V
REFIN
V
DD
V
SS
2R
2R
CS CLR
BIPOFF
RFB
VOUT
REFOUT
Figure 9. MAX531 Connected as Four-Quadrant Multiplier. The
unused REFOUT is connected to V
DD
.
1
0
2
3
4
1
2 3
4
5
6
7
8
POSITIVE OFFSET
NEGATIVE OFFSET
DAC CODE (LSB)
O
Figure 10. Single-Supply Offset
8
10
9
14
13
12
11
5
6
2
3
4
7
1
8
7
6
5
1
2
3
4
0.1
μ
F
(b) MAX538/MAX539 BYPASSING
(a) MAX531 BYPASSING
ANALOG GROUND PLANE
0.1
μ
F
0.1
μ
F
Figure 11. Power-Supply Bypassing
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| max538 | +5V, Low-Power, Voltage-Output, Serial 12-Bit DACs |
| MAX539AEPA | Circular Connector; No. of Contacts:8; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:17-8 RoHS Compliant: No |
| MAX538AEPA | Circular Connector; No. of Contacts:23; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:17-99 RoHS Compliant: No |
| MAX538BEPA | +5V, Low-Power, Voltage-Output, Serial 12-Bit DACs |
| MAX531ACPD | +5V, Low-Power, Voltage-Output, Serial 12-Bit DACs |
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