MC34001P データシートの表示（PDF） - Motorola => Freescale
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MC34001P Datasheet PDF : 12 Pages
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MC34001, B MC34002, B MC34004, B
Representative Circuit Schematic
(Each Amplifier)
Output
Bias Circuitry
Common to All
Amplifiers
Q4
Q5
Q3
VCC
Q2
Q1
–
J1
Inputs
+
J2
Q17
Q6
2.0 k
Q20
Q15
Q19
Q23
Q14
10 pF
24
Q21 Q22 Q24
Q12
Q13
Q16
Q10
Q11
Q9
Q8
J3
Q7 Q25
Q18
Offset
Null
1.5 k
1.5 k
(MC34001 only)
VEE
MSB A1
A2
A3
A4
A5
A6
A7
LSB A8
Figure 12. Output Current to Voltage Transformation
for a D–to–A Converter
VCC
R1
R2
D–to–A
1
Io
Vref
VCC = 15 V
+
VO
–
MC34001
Settling time to within 1/2 LSB is approximately 4.0 µs
from the time all bits are switched (C = 68 pF).
The value of C may be selected to minimize overshoot
and ringing.
Theoretical VO
VO =
Vref
R1
(RO)
A1
2
+
A2
4
+
A3
8
+
A4
16
+
A5
32
+
A6
64
+
A7
128
+
A8
256
15 pF
VEE
VEE = –15 V
RO
C
6
MOTOROLA ANALOG IC DEVICE DATA
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