ADMV1455BBCZ-R7 datasheet(100/141 Pages) AD

100 / 141 page

Data Sheet

ADMV1455

analog.com

Rev. 0 | 100 of 141

Figure 197.

Table 47. Bit Descriptions for REG00A1

Bits

Bit Name

Description

Reset

Access

[7:1]

RESERVED

Reserved.

0x0

RX_LNA_OVERLOAD_LATCHED

RX LNA Overload Detector Latched Flag. When OVERLOAD_PROTECTION_MODE is set

to Mode 3 (b11) and the RF input LNA experiences excessive RF input power, the

RX_LNA_OVERLOAD_LATCHED bit is asserted high and many of the RF portions of the chip are

powered down. To power up the RF portions of the chip, the RX_LNA_OVERLOAD_LATCHED

bit must be cleared, which can be accomplished by setting OVERLOAD_PROTECTION_MODE to

any other value. Ensure to set OVERLOAD_PROTECTION_MODE back to the desired mode after

performing the clear operation.

0x0

0: Normal Operation.

1: RF Input LNA Experienced Power Above Threshold Value.

Address: 0x101, Reset: 0x00, Name: REG0101

Figure 198.

Table 48. Bit Descriptions for REG0101

Bits

Bit Name

Description

Reset

Access

[7:3]

RESERVED

Reserved.

0x0

RF_DSA_OVERLOAD_PD

RF DSA Overload Power Down.

0x0

R/W

0: Normal Operation.

1: Powered Down.

[1:0]

RESERVED

Reserved.

0x0

R/W

Address: 0x102, Reset: 0x00, Name: REG0102

Figure 199.

Table 49. Bit Descriptions for REG0102

Bits

Bit Name

Description

Reset

Access

[7:6]

RESERVED

Reserved.

0x0

RF_LNA_OVERLOAD_PD

RF LNA Overload Power Down.

0x0

R/W

0: Normal Operation.

1: Powered Down.

[4:0]

RESERVED

Reserved.

0x0

R/W

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