Arrangements for an integrated sensor
First Claim
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1. An integrated circuit, comprising:
- a lead frame;
a first substrate having first and second opposing surfaces, wherein the first substrate is coupled to the lead frame such that the second surface of the first substrate is above the lead frame and the first surface of the first substrate is above the second surface of the first substrate;
a second substrate having first and second opposing surfaces, wherein the second substrate is coupled to the lead frame such that the second surface of the second substrate is above the lead frame and the first surface of the second substrate is above the second surface of the second substrate;
an electronic component disposed on the first surface of the first substrate;
a first magnetic field sensing element disposed on the first surface of the second substrate; and
a second magnetic field sensing element disposed on the first surface of the first substrate.
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Abstract
An integrated circuit can have a first substrate supporting a magnetic field sensing element and a second substrate supporting another magnetic field sensing element. The first and second substrates can be arranged in a variety of configurations. Another integrated circuit can have a first magnetic field sensing element and second different magnetic field sensing element disposed on surfaces thereof.
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Citations
18 Claims
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1. An integrated circuit, comprising:
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a lead frame; a first substrate having first and second opposing surfaces, wherein the first substrate is coupled to the lead frame such that the second surface of the first substrate is above the lead frame and the first surface of the first substrate is above the second surface of the first substrate; a second substrate having first and second opposing surfaces, wherein the second substrate is coupled to the lead frame such that the second surface of the second substrate is above the lead frame and the first surface of the second substrate is above the second surface of the second substrate; an electronic component disposed on the first surface of the first substrate; a first magnetic field sensing element disposed on the first surface of the second substrate; and a second magnetic field sensing element disposed on the first surface of the first substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An integrated circuit, comprising:
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a first magnetic field sensing element for providing a first sensitivity to a magnetic field; a second magnetic field sensing element for providing a selected second different sensitivity to the magnetic field; and a circuit coupled to the first and second magnetic field sensing elements, operable to provide the integrated circuit with a first operating range responsive to the first magnetic field sensing element and a second selected different operating range responsive to the second magnetic field sensing element. - View Dependent Claims (11, 12, 13, 14, 15)
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16. An integrated circuit, comprising:
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a first substrate; a circuit element disposed on a surface of the first substrate; a Hall effect element disposed on a surface of the first substrate, wherein the Hall effect element provides a first sensitivity to a magnetic field; a second substrate coupled to the first substrate, and a magnetoresistance element disposed on a surface of the second substrate, wherein the magnetoresistance element provides a selected second different sensitivity to the magnetic field, resulting in the integrated circuit having a first operating range responsive to the first magnetic field sensing element and a second selected different operating range responsive to the second magnetic field sensing element. - View Dependent Claims (17, 18)
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Specification