ADL6332ACCZB-R7 datasheet(29/55 Pages) AD

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Data Sheet

ADL6332

PROGRAMMABILITY GUIDE

analog.com

Rev. A | 29 of 55

AMP1 AND AMP2 TRIMMING AND TUNING

Initial optimization of the amplifiers is performed at the factory and

the optimized/trimmed parameters are stored in the non-volatile

memory (NVM) referred to as the FUSE block. When the MSB in

registers 0x104, 0x105, 0x106 for AMP1 and in registers 0x110,

0x111, 0x112 for AMP2 is 1 (default), the factory trimmed param-

eters are automatically used in the operation (normal operation

mode). These values are readable in registers 0x140, 0x141,

0x142, 0x143, 0x144, 0x145 (Table 16). When the MSB in registers

0x104, 0x105, 0x106 for AMP1 and 0x110, 0x111, 0x112 for AMP2

is set to 0, the following registers are tunable by the user:

►

AMP1_IGREF in register 0x104

►

AMP1_IDREF_Z in register 0x105

►

AMP1_IDREF_P in register 0x106

►

AMP2_IGREF in register 0x110

►

AMP2_IDREF_Z in register 0x111

►

AMP2_IDREF_P in register 0x112

Use the default (reset) values in Register 0x103 to Register 0x115

in Table 10 for the ADL6332-A only. For the ADL6332-B, to achieve

the optimal performance of OIP3 over its wide frequency range,

both AMP1_CROSS_Z in Register 0x107 and AMP2_CROSS_Z in

is required, see the Applications Information section.

Table 10. AMP1 and AMP2 Trimming and Tuning Register

Reg

Bits

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0x103

[7:0]

RESERVED

AMP1_MON_

AMP1_CROS

S_EN

AMP1_IM3_EN

AMP1_LP_MODE

0x104

[7:0]

NVM_TRM_A

MP1_IGREF

RESERVED

AMP1_IGREF

0x105

[7:0]

NVM_TRM_A

MP1_IDREF_

RESERVED

AMP1_IDREF_Z

0x106

[7:0]

NVM_TRM_A

MP1_IDREF_

RESERVED

AMP1_IDREF_P

0x107

[7:0]

RESERVED

AMP1_CROSS_Z

0x108

[7:0]

RESERVED

AMP1_CROSS_P

0x109

[7:0]

SPARE_010B

AMP1_IM3_CAP

0x10F

[7:0]

RESERVED

AMP2_MON_

AMP2_CROS

S_EN

AMP2_IM3_EN

AMP2_LP_MODE

0x110

[7:0]

NVM_TRM_A

MP2_IGREF

RESERVED

AMP2_IGREF

0x111

[7:0]

NVM_TRM_A

MP2_IDREF_

RESERVED

AMP2_IDREF_Z

0x112

[7:0]

NVM_TRM_A

MP2_IDREF_

RESERVED

AMP2_IDREF_P

0x113

[7:0]

RESERVED

AMP2_CROSS_Z

0x114

[7:0]

RESERVED

AMP2_CROSS_P

0x115

[7:0]

SPARE_011B

AMP2_IM3_CAP

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