SPEC-1654 (REV. 4)

4/18

29-09-2017

SA4104A / SA4104B

PIN DESCRIPTION

Designation

Pin No.

Description

AGND

16

Analog Ground. This is the reference pin for the current and voltage signal sensing

VDD

8

Positive Supply Voltage. The voltage to this pin should be +2.5V ± 10% with respect to

AGND.

VSS

12

Negative Supply Voltage. The voltage to this pin should be -2.5V ± 10% with respect to

AGND.

IVP

15

Analog Input for Voltage. The maximum current into the voltage sense input IVP should be

IIP, IIN

2, 1

Analog Inputs for Current. The maximum current into the current sense inputs IIP/IIN should

VREF

3

This pin provides the connection for the reference current setting resistor. A 47k

 resistor

R0, R1, R2, R3

6, 5, 4, 9

Rated Condition Select inputs. These input pins are used for selecting between the different

rated condition configurations. Refer to the Rated Condition Select section.

FMS

7

Fast Mode Select input. This three state input is used to select between STANDARD and

FAST mode and provides an extended selection of meter constants. Refer to the Rated

Condition Select and Fast Mode Select sections.

DIRO

14

Direction Indicator output. This output indicates the direction of energy flow.

LED

11

Calibration LED output. Refer to the Rated Condition Select section for the pulse rate output

options.

MON, MOP

13, 10

Motor pulse outputs. These outputs can drive an electro-mechanical counter directly. Refer

to the Rated Condition Select section for the pulse rate output options.

Figure 3: Pin connections

ORDERING INFORMATION

Part Number

Device

Package

SA4104ASAR

SA4104A

SOIC16 (RoHS compliant)

SA4104BSAR

SA4104B

SOIC16 (RoHS compliant)

1

2

3

4

5

6

7

8

16

15

14

IIN

IIP

VREF

R2

R1

R0

FMS

VDD

IVP

DIRO

13

MON

AGND

12

11

VSS

LED

10

9

MOP

R3