ADM1266ACPZ-R7 datasheet(36/62 Pages) AD

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ADM1266

Data Sheet

Rev. A | Page 36 of 62

VOUT_MARGIN_HIGH

The VOUT_MARGIN_HIGH command sets the margin high voltage. Exponent N is set using VOUT_MODE[4:0].

Table 21. Register 0x25—VOUT_MARGIN_HIGH

Bits

Bit Name

R/W

Description

[15:0]

Mantissa Y

R/W

16-bit unsigned Integer Y value for linear data format (V = Y × 2N). N is defined using VOUT_MODE[4:0].

VOUT_MARGIN_LOW

The VOUT_MARGIN_LOW command sets the margin low voltage. Exponent N is set using VOUT_MODE[4:0].

Table 22. Register 0x26—VOUT_MARGIN_LOW

Bits

Bit Name

R/W

Description

[15:0]

Mantissa Y

R/W

16-bit unsigned Integer Y value for linear data format (V = Y × 2N). N is defined using VOUT_MODE[4:0].

VOUT_SCALE_LOOP

The VOUT_SCALE_LOOP command sets the gain (KR) by which the commanded voltage (VOUT) is scaled to generate the internal

reference voltage (VREF). VREF = VOUT × KR, where KR = Y × 2N.

Table 23. Register 0x29—VOUT_SCALE_LOOP

Bits

Bit Name

R/W

Description

[15:11]

Exponent N

R/W

Twos complement of Exponent N used in linear data format (X = Y × 2N).

[10:0]

Mantissa Y

R/W

Twos complement of Mantissa Y used in linear data format (X = Y × 2N).

VOUT_SCALE_MONITOR

The VOUT_SCALE_MONITOR command sets the gain (KVOUT) by which the sensed output voltage at the device under test (DUT)

(VOUT_DUT) is scaled to generate the reading for the READ_VOUT command. READ_VOUT = VOUT_DUT × KVOUT, where KVOUT = Y × 2N.

Table 24. Register 0x2A—VOUT_SCALE_MONITOR

Bits

Bit Name

R/W

Description

[15:11]

Exponent N

R/W

Twos complement of Exponent N used in linear data format (X = Y × 2N).

[10:0]

Mantissa Y

R/W

Twos complement of Mantissa Y used in linear data format (X = Y × 2N).

VOUT_OV_FAULT_LIMIT

The VOUT_OV_FAULT_LIMIT command sets the overvoltage threshold (in volts) measured at the sense/output pin, VHx/VPx, that

causes an overvoltage fault condition. Exponent N is set using VOUT_MODE[4:0].

Table 25. Register 0x40—VOUT_OV_FAULT_LIMIT

Bits

Bit Name

R/W

Description

[15:0]

Mantissa Y

R/W

Unsigned Mantissa Y used in output voltage related commands in linear data format (V = Y × 2N).

VOUT_OV_WARN_LIMIT

The VOUT_OV_WARN_LIMIT command sets the overvoltage threshold (in volts) measured at the sense/output pin, VHx/VPx, that

causes an overvoltage warning condition. Exponent N is set using VOUT_MODE[4:0].

Table 26. Register 0x42—VOUT_OV_WARN_LIMIT

Bits

Bit Name

R/W

Description

[15:0]

Mantissa Y

R/W

Unsigned Mantissa Y used in output voltage related commands in linear data format (V = Y × 2N).

ADM1266ACPZ-R7 Datasheet(PDF) 36 Page - Analog Devices

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