E-L4981AD Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
E-L4981AD Datasheet PDF : 16 Pages
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L4981A - L4981B
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Prameter
MULTIPLIER SECTION
Multipler Output Current
K
Multiplier Gain
Test Condition
VVA-OUT = 4V, VRMS = 2V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 50µA, COSC = 0V
VVA-OUT = 4V, VRMS = 2V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 200µA, COSC = 0V
VVA-OUT = 2V, VRMS = 2V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 100µA, COSC = 0V
VVA-OUT = 2V, VRMS = 4V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 100µA, COSC = 0V
VVA-OUT = 4V, VRMS = 4V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 100µA, COSC = 0V
VVA-OUT = 4V, VRMS = 2V,
VMULTOUT = 0, VLFF = 2.5V
COSC = 0V, IAC = 200µA
VVA-OUT = 4V, VRMS = 4V
VMULTOUT = 0, VLFF = 5.1V
IAC = 200µA, COSC = 0V
VVA-OUT = 2V, VRMS = 4V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 0, COSC = 0V
IMULT−OUT
=
K
⋅
IAC
(VVA−OUT
−
1.28) ⋅ (0.8
(VVRMS)2
⋅
VLFF
−
1.28)
if VLFF = VREF;
IMULT−OUT
=
IAC
(VVA−OUT − 1.28)
(VVRMS)2
⋅
K1
where: K1 = 1V
Min. Typ. Max. Unit
20
35
52
µA
100 135 170 µA
10
20
30
µA
2
5.5 11 µA
10
22
34
µA
20
37
54
µA
20
39
54
µA
-2
0
2
µA
0.37
Figure 1: MULTI-OUT vs. IAC (VRMS = 1.7V;
VLFFD = 5.1V)
Figure 2: MULTI-OUT vs. IAC (VRMS = 2.2V;
VLFFD = 5.1V)
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