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參數(shù)資料
| 型號： | HS7512 |
| 英文描述： | Double-Buffered 12-Bit Multiplying DAC |
| 中文描述： | 雙緩沖12位乘法DAC |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 96K |
| 代理商： | HS7512 |
Corporation
SIGNAL PROCESSING EXCELLENCE
117
Figure 2. Bipolar Operation
TRANSFER FUNCTION (N=12)
BINARY INPUT UNIPOLAR OUTPUT BIPOLAR OUTPUT
111...111
–V
REF
(1 – 2
–N
)
–V
REF
(1/2 + 2
–N
)
–V
REF
/2
–V
REF
(1/2 – 2
–N
)
0
–V
REF
(1 – 2
–(N – 1)
)
–V
REF
(2
–(N – 1)
)
0
V
REF
(2
–(N – 1)
)
V
REF
100...001
100...000
011...111
000...000
Table 1. Transfer Function
VREF
VDD2
400
VDD1
+15V
DIGITAL
FB1
IO1
+
-
IO2
LDTR
FB4
FB3
VSS1
VSS
ROS1
A
VOUT
CE
HBE
MBE
LBE
LDAC
SP7512
1
+
-
A2
ROS2
VOUT1
A1, A2, LF411ACN
4K
3K
1K
N.C.
N.C.
-15V
+15V
20K
4M
ADJUSTMENT
a 28–pin SOIC. The
HS3120
is available in
commercial and military temperature ranges,
packaged in a 28–pin side–brazed DIP. For
product processed and screened to the require-
ments of MIL–M–38510 and MIL–STD–883C,
please consult the factory (
HS3120B
only).
APPLICATIONS INFORMATION
Unipolar Operation
Figure 1
shows the interconnections for unipo-
lar operation. Connect I
and FB
as shown in
diagram. Tie I
(Pin 7), FB
(Pin 3), and FB
4
(Pin 1) to Ground (Pin 8). To maintain specified
linearity, external amplifiers must be zeroed.
This is best done with V
set to zero and, with
the DAC register loaded with all bits at zero,
adjust R
OS
for V
OUT
= 0V
Bipolar Operation
Figure 2
shows the interconnections for bipolar
operation. Connect I
, I
, FB
, FB
, FB
as
shown in diagram. Tie LDTR to I
. To main-
tain specified linearity, external amplifiers must
be zeroed. This is best done with V
set to zero
and, the DAC register loaded with 10...0 (MSB
= 1), set R
for V
OUT1
= 0V. Then set R
OS1
for
V
OUT
= 0V.
Grounding
Connect all GND pins to system analog ground
and tie this to digital ground. All unused input
pins must be grounded.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| HS7514 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:14-Bit Multiplying DACs |
| HS75150RJ | 制造商:Arcol 功能描述:HS75 Al house wirewoundresistor,150R 75W |
| HS7516 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:16-Bit Multiplying DACs |
| HS751KJ | 制造商:Arcol 功能描述:HS75 Al house wirewound resistor,1K 75W |
| HS751RJ | 制造商:Arcol 功能描述:HS75 Al house wirewound resistor,1R 75W |
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