HS7512 查看數據表（PDF） - Signal Processing Technologies
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HS7512 Datasheet PDF : 6 Pages
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Corporation
SIGNAL PROCESSING EXCELLENCE
SP7512 and HS3120
Double–Buffered 12-Bit Multiplying DAC
s Monolithic Construction
s 12–Bit Resolution
s 0.01% Non-Linearity
s Four–Quadrant Multiplication
s Latch-up Protected
s Low Power – 30mW
s Single +15V Power Supply
DESCRIPTION…
The SP7512 and HS3120 are precision 12-bit multiplying DACs, double–buffered for easy
interfacing with microprocessor busses. Both unipolar and bipolar operation can be accommo-
dated with a minimum of external components. The SP7512 is available for use in commercial
and industrial temperature ranges, packaged in a 28-pin SOIC. The HS3120 is available in
commercial and military temperature ranges, packaged in a 28–pin side–brazed DIP.
22
CE
25
HBE
24
MBE
23
LBE
21
LDAC
(MSB)
Bit 1 2 3 4
9 10 11 12
56 78
13 14 15 16
(LSB)
9 10 11 BIT 12 VREF
17 18 19 20
4
CONTROL
LOGIC
INPUT REGISTER
INPUT REGISTER
INPUT REGISTER
DAC REGISTER
12 BIT MDAC
SP7512, HS3120
28
VDD1
26
VDD2
27
GND
8
GND
2
LDTR
R
R/2
R/2
Corporation
SIGNAL PROCESSING EXCELLENCE
5
FB1
6
I01
7
I02
1
FB 4
3
FB 3
113
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