HS3140 Datasheet, PDF (1/7 Pages) Sipex Corporation – 14-Bit Multiplying DACs

®
s Monolithic Construction
s 14–Bit Resolution
s 0.003% Non-Linearity
s Four-Quadrant Multiplication
s Latch-up Protected
s Low Power - 30mW
s Single +15V Power Supply
HS3140/SP7514
14-Bit Multiplying DACs
DESCRIPTION…
The SP7514 and HS3140 are precision 14-bit multiplying DACs, that provide four-quadrant
multiplication. Both parts accept both AC and DC reference voltages. The SP7514 is available
for use in commercial and industrial temperature ranges, packaged in a 20-pin SOIC. The
HS3140 is available in commercial and military temperature ranges, packaged in a 20-pin
side-brazed DIP.
VREF ¹⁹
15 EQUAL
SECTIONS
96k
96k
3
GND
18
VDD
4 to 16 DECODE
4
5
6
7
BIT 1 BIT 2 BIT 3 BIT 4
(MSB)
SP7514_S,_PH₇S₅3₁1₄40
48k
96k
96k
2
I _OUT2
17
BIT 14
LSB
6k
20
R _FEEDBACK
1 ^{I OUT1}
SWITCHES ARE
SHOWN IN THE
HIGH STATE
HS3140/SP7514
HS3140/SP7514 14-Bit Multiplying DACs
1
© Copyright 2000 Sipex Corporation