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AM6012 데이터시트(PDF) 9 Page - NXP Semiconductors

부품명 AM6012
상세설명  12-Bit multiplying D/A converter
PDF  11 Pages
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제조업체  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

AM6012 데이터시트(HTML) 9 Page - NXP Semiconductors

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Philips Semiconductors Linear Products
Product specification
AM6012
12-Bit multiplying D/A converter
August 31, 1994
784
APPLICATION CIRCUITS
Figure 4. AM6012 Logic Inputs
CODE FORMAT
CONNECTIONS
OUTPUT SCALE
MSB
LSB
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10 B11 B12
IO
(mA)
IO
(mA)
VOUT
Unipolar
Symmetrical
Offset
Offset with
True Zero
Straight binary; one
polarity with true input
code, true zero output.
Complementary binary;
one polarity with
complementary input
code, true zero output.
Straight offset binary;
offset half-scale,
symmetrical about zero,
no true zero output.
1’s complement; offset
half-scale, symmetrical
about zero, no true zero
output, MSB complemented
(need inverter at B1).
Offset binary; offset half-
scale, true zero output.
2’s complement; offset
half-scale, true zero
output, MSB complemented
(need inverter at B1).
a – c
b – g
R1 = R2 = 2.5k
a – g
b – c
R1 = R2 = 2.5k
a – c
b – d
f – g
R1 = R3 = 2.5k
a – c
b – d
f – g
R1 = R3 = 2.5k
R2 = 1.25k
e – a – c
b – g
e – a – c
b – g
R1 = R2 = 5k
R1 = R2 = 5k
R2 = 1.25k
Positive full-scale
Positive full-scale – LSB
Zero-scale
Positive full-scale
Positive full-scale – LSB
Zero-scale
Positive full-scale
Positive full-scale – LSB
(+) Zero-scale
(–) Zero-scale
Positive full-scale
Positive full-scale – LSB
(+) Zero-scale
(–) Zero-scale
Negative full-scale – LSB
Positive full-scale
Positive full-scale – LSB
+ LSB
Negative full-scale – LSB
Negative full-scale
Negative full-scale
R
14 +
V
REF
1.0mA
R
OFF +
V
REF
2.0mA
Zero-scale
– LSB
Negative full-scale + LSB
Negative full-scale
Positive full-scale
Positive full-scale – LSB
+ 1 LSB
Zero-scale
– 1 LSB
Negative full-scale + LSB
Negative full-scale
1
1
1
1
1
1
1
1
1
1
1
1
3.999
0.000
9.9976
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
3.998
0.001
9.9951
0.000
3.999
0.0000
0.000
3.999
9.9976
0.001
3.998
9.9951
3.999
0.000
0.0000
1
1
1
1
1
1
1
1
1
1
1
1
3.999
0.000
9.9976
1
1
1
1
1
1
1
1
1
1
1
0
3.998
0.001
9.9927
1
0
0
0
0
0
0
0
0
0
0
0
2.000
1.999
0.0024
0
1
1
1
1
1
1
1
1
1
1
1
1.999
2.000
–0.0024
0
0
0
0
0
0
0
0
0
0
0
1
0.001
3.998
–9.9927
0
0
0
0
0
0
0
0
0
0
0
0
0.000
3.999
–9.9976
0
1
1
1
1
1
1
1
1
1
1
1
3.999
0.000
9.9976
0
1
1
1
1
1
1
1
1
1
1
0
3.998
0.001
9.9927
0
0
0
0
0
0
0
0
0
0
0
0
2.000
1.999
0.0024
1
1
1
1
1
1
1
1
1
1
1
1
1.999
2.000
–0.0024
1
0
0
0
0
0
0
0
0
0
0
1
0.001
3.998
–9.9927
1
0
0
0
0
0
0
0
0
0
0
0
0.000
3.999
–9.9976
1
1
1
1
1
1
1
1
1
1
1
1
3.999
0.000
9.9951
1
1
1
1
1
1
1
1
1
1
1
0
3.998
0.001
9.9902
1
0
0
0
0
0
0
0
0
0
0
1
2.001
1.998
0.0049
1
0
0
0
0
0
0
0
0
0
0
0
2.000
1.999
0.000
0
1
1
1
1
1
1
1
1
1
1
1
1.999
2.000
–0.0049
0
0
0
0
0
0
0
0
0
0
0
1
0.001
3.998
–9.9951
0
0
0
0
0
0
0
0
0
0
0
0
0.000
3.999
–10.000
0
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
0
3.998
0.001
9.9902
0
0
0
0
0
0
0
0
0
0
0
1
2.001
1.998
0.0049
0
0
0
0
0
0
0
0
0
0
0
0
2.000
1.999
0.000
1
1
1
1
1
1
1
1
1
1
1
1
1.999
2.000
–0.049
1
0
0
0
0
0
0
0
0
0
0
1
0.001
3.998
–9.9951
1
0
0
0
0
0
0
0
0
0
0
0
0.000
3.999
–10.000
AM6012
VREF(+)
VREF(–)
+10V
REF
OPTIONAL
(SEE CODE TABLE)
MSB
LSB
ROFF
5,000k
Ω
2.000mA
a
b
B12
B1
IO
IO
e
VOUT
R1
R3
R14
10k
Ω
R15
10k
Ω
f
R2
c
d
g
NE535
–
+
ADDITIONAL CODE MODIFICATIONS
1. Any of the offset binary codes may be complemented by
reversing the output terminal pair.



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