AD5560JBCZ datasheet(49/67 Pages) AD

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AD5560

Data Sheet

Rev. E | Page 48 of 66

Table 18. DPS Register 1

Address

Default

Data Bits, MSB First

0x2

0x0000

Bit

Name

Function

SW-INH

This bit enables the force amplifier when high and disables the amplifier when low. This bit is AND’d with the

HW_INH hardware inhibit pin.

Reserved

Reserved, set to 0.

I[2:0]

Current range addressing. These bits allow selection of the required current range.

Action

±5 µA current range.

±25 µA current range.

±250 µA current range.

±2.5 mA current range.

±25 mA current range.

External Range 2.

External Range 1.

Reserved.

CMP[1:0]

Comparator function. CMP1 acts as a comparator output enable, whereas CMP0 selects between a

comparing DUT current or voltage; by default, the comparators are high-Z on power-on.

CMP

Action

Comparator outputs high-Z.

Compare DUT current.

Compare DUT voltage.

ME[3:0]

Bits ME[3:0] allow selection of the required measure mode, allowing the MEASOUT line to be disabled;

connect to the temperature sensor or enable it for measurement. ME[3] is MEASOUT enable/disable; when

high, MEASOUT is enabled, and ME[2:0] can be used to preselect the measuring parameter. Where a

number of MEASOUT lines are connected together and passed to a common ADC, this function can allow

for much faster measurement time between channels because the slew time of the measurement buffer is

reduced. For details on diagnostic functions, see Address 0x7, the diagnostic register.

ME[2:0]

Action

MEASOUT high-Z.

Connect MEASOUT to ISENSE.

Connect MEASOUT to VSENSE.

Connect MEASOUT to KSENSE.

Connect MEASOUT to

TSENSE.

Connect MEASOUT to DUTGND SENSE.

Connect MEASOUT to diagnostic functions: DIAG A (see Address 0x7).

Connect MEASOUT to diagnostic functions: DIAG B (see Address 0x7).

CLEN

Clamp enable; set high to enable the clamp; set low to disable the clamp. This bit is OR’d with the

hardware CLEN pin.

3:0

Unused

Set to 0.

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