MC34115 Просмотр технического описания (PDF) - Motorola => Freescale
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MC34115 Datasheet PDF : 16 Pages
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Figure 3. Input Bias Currents, Analog
Comparator Offset Voltage and Current
VCC
VIO(Comparator)
MC34115
Figure 4. Integrator Amplifier Offset
Voltage and Current
VCC
I1 1.0 k
+
1
10 µF 0.1
16
10 µF
0.1
1
16
I2 1.0 k
–
2
I3
100 mV
3
0.1
15
14 Clock
2
15
3
14
4
100 k
0.1
I5
5
10 k
CVSD
13
MC34115
12
6
0.05
7
8
11
10
0.1
9
NOTE: The analog comparator offset voltage is tested under
dynamic conditions and therefore must be measured with
appropriate filtering.
4
0.1
I5
5
10 k I6
13
CVSD
MC34115
12
6
10 k
0.05
+
7
(Integrator
Amplifier
Offset
8
Voltage)
–
11
10
9
0.1
Figure 5. V/I Converter Offset Voltage,
VIO and VIOX
VCC
Figure 6. Dynamic Integrating Current Match
VCC
10 µF
0.1
1
16
10 µF
0.1
1
16
2
60 mV
+ –3
5.0 k
4
0.1
5
10 k
15
14
13
CVSD
MC34115
12
Clock
(16 kHz)
6
11
10 k
0.05
+
7
10
0.1
VIOX
(Notes
8
9
1 and 2)
–
NOTES: 1. Integrator amplifier offset voltage plus slope polarity
switch mismatch.
2. VIOX is the average voltage of the triangular
waveform observed at the measurement points.
2
4.5 V
+ –3
IGC
3.0 k
4
0.1
5
10 k
15
14
13
CVSD
MC34115
12
Clock
(16 kHz)
6
10 k
0.05
+
7
11
10
0.1
VO(AV)
(Note 1)
8
9
–
NOTES: 1. VO(AV), Dynamic Integrating Current Match, is the average
voltage of the triangular waveform observed at the
measurement points, across 10 kΩ resistor with IGC = 1.5 mA.
2. See Note 3 in the Electrical Characteristics table.
3. See Figures 8 and 9.
6
MOTOROLA ANALOG IC DEVICE DATA
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