5

AFE3010

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SBFS042 – JUNE 2020

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Copyright © 2020, Texas Instruments Incorporated

(1)

The typical bandwidth of the current feedback amplifier is measured based off the recommended component values in the Application

and Implementation section. This number will vary if the component values change in a particular application.

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY VOLTAGE AND REFERENCE

VVDD

Power Supply Shunt Regulator Voltage

19.5

20

20.5

V

TA = –0 °C to 105 °C

30

60

ppm/°C

IREF

Clamping Current at VREF

VREF = 0 V

1

1.7

2.5

mA

VREF

Reference Voltage

2.42

2.5

2.58

V

TA = –40 °C to 105 °C

80

100

ppm/°C

IQ

Quiescent Current

Force VDD to 19 V through 50-

Ω, Measured

VDD to GND

900

1250

µA

Force 19 V to VDD through 50-

Ω, Measured

VDD to GND, TA = –40 °C to 105 °C

1500

µA

AMPLIFIER

VOS

Offset Voltage, RTI

–150

150

µV

TA = –40 °C to 105 °C

0.5

µV/°C

Vn_inp

Input Voltage Noise

10

nV/

√Hz

Iin_inp

Input Current Noise

2

pA/

√Hz

ZOL

Open-loop Transimpedance

7

Gohms

BW

Application Bandwidth(1)

6.5

kHz

Vosw_vdd

VOUT Swing to VDD

No Load

4.8

V

Vosw_gnd

VOUT Swing to GND

No Load

0.1

V

DIGITAL CONTROL

tgf_resp

Ground Fault Response Time

Leakage Current = ±5 mA

0.15

s

Leakage Current = ±10 mA

0.085

s

Leakage Current = ±30 mA

0.04

s

Leakage Current > ±50 mA

0.01

s

td1

Debounce Time from 'PTT High to Low

Transition' to Self-test Start

80

ms

td2

Debounce Time from 'SW_OPEN High to Low

Transition' to SCR Fire (Long Pulse)

130

ms

td3

Debounce Time from 'SW_OPEN Low to High

Transition' to ALARM Off

140

ms

td4

SW_OPEN Low Time to Execute Fault

Counter RESET without SCR Fire (Short

Pulse)

55

ms

SCR DRIVER

IOH

High-Level Output Current

VO = 1.0 V

2

3

mA

ROUT

Output Impedance

550

Ω

ALARM DRIVER

VOH

High-Level Output Voltage

IOH =-1 mA

3

3.2

V

VOL

Low-Level Output Voltage

IOL =1 mA

0.25

0.35

V

fLED_AL

LED/ Alarm Frequency

3

KHz

FT DRIVER

IOH

High-Level Output Current

VO = 1.0 V

2

3

mA

ROUT

Output Impedance

550

Ω

NG_OUT DRIVER

VOL

Low-Level Output Voltage

IOL = 4 mA

0.2

0.4

V

VOH

High-Level Output Voltage

IOH = –0.1 mA

VVDD–0.8

VVDD–0.2

V