AS3677 datasheet(21/68 Pages) AMSCO

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AS3677

Datasheet - D e ta i l e d D e s c r i p t i o n

8.4.2 High Voltage Current Sinks CURR1, CURR2, CURR6

The high voltage current sinks have a resolution of 8 bits.

High Voltage Current Sinks CURR1, CURR2, CURR6 Registers

Table 20. HV Current Sinks Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

IBIT7

Current sink if Bit7 = 1

For V(CURRx) > 0.45V

12.8

IBIT6

Current sink if Bit6 = 1

6.4

IBIT5

Current sink if Bit5 = 1

3.2

IBIT4

Current sink if Bit4 = 1

1.6

IBIT3

Current sink if Bit3 = 1

0.8

IBIT2

Current sink if Bit2 = 1

0.4

IBIT1

Current sink if Bit1 = 1

0.2

IBIT0

Current sink if Bit0 = 1

0.1

Δm

matching Accuracy

CURR1,CURR2,CURR6

-7

absolute Accuracy

-15

+15

VCURR1,2,6x

Voltage compliance

0.45

IQCURR1,2,6

Quiescent current

165

µA

Table 21. Curr1 current

Addr: 09h

Curr1 current

This register controls the High voltage current sink current.

Bit

Bit Name

Default Access

Description

7:0

curr1_current

0R/W

Defines current into current sink curr1

00h

0 mA

01h

0.1 mA

....

FFh

25.5 mA

Table 22. Curr2 current

Addr: 0Ah

Curr2 current

This register controls the High voltage current sink current.

Bit

Bit Name

Default Access

Description

7:0

curr2_current

0R/W

Defines current into current sink curr2

00h

0 mA

01h

0.1 mA

....

FFh

25.5 mA

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