UPC1945 Просмотр технического описания (PDF) - NEC => Renesas Technology
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производитель
UPC1945 Datasheet PDF : 12 Pages
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µ PC1945
Av, φ vs f
60
0
Av
40
−50
φ
20
−100
0
−20
1
2.2 kΩ
IK υo
υin 10 kΩ
100 pF
(IK = 2 mA)
10 kΩ
10
100
1000
f - Frequency - kHz
−150
−200
10000
| ZKA | vs f
50
TA = 25 C
VK = VCC = VREF
IK = 2mA
10
1.0
0.1
0.1
1
10
100
f - Frequency - kHz
1000
a,b,c
1.6
a: VK = VCC = VREF
1.4 b: VK = VCC = 3 V
c: VK = VCC = 5 V
1.2
Stability Area
1
Unstable
0.8
0.6
0.4
0.2
0
1
10
Stable
100
a
Unstable
b
Stable
Unstable
1000
10000
100000
CKA - Lode Capacitance - pF
Test Circuit
a:
2.2 k Ω
IK
CKA
b, c:
2.2 k Ω
IK
R
CKA
10 kΩ
CKA: Monolithic Ceramic Capacitor
Caution of Stability Area
When using plural different types of capacitors, each capacitor is needed to be stable independently.
Data Sheet G14875EJ2V0DS
7
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