Datasheet

Broadcom ACHS-7124-7125-DS101
7
ACHS-7124/7125 Data Sheet
Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 3 kV
RMS
Isolation and
Low-Resistance Current Conductor
Common Electrical Specifications
Unless otherwise stated, all minimum/maximum specifications are over recommended operating conditions, C
F
=1 nF. All
typical values are based on T
A
= 25°C, V
DD
= 5.0V, C
F
=1 nF.
Parameter Symbol Min. Typ. Max. Units Test Condition Figure Note
Supply Current I
DD
—1315mAV
DD
= 5V, output open 7, 8
Primary Conductance Resistance R
PRIMARY
—0.7—mΩ
Zero Current Output Voltage V
OUT(Q)
—V
DD
/ 2 — V Bidirectional, I
P
= 0A 2
Input Filter Resistance R
F(INT)
—1.6—kΩ
Bandwidth BW — 80 — kHz –3 dB
Rise Time t
r
—4—µs 10
Power-on Time t
PO
—21—µs 9
Common Mode Transient
Immunity
CMTI 25 — — kV/µs V
CM
= 1000V
a
a. Common Mode Transient Immunity is tested by applying a fast rising/falling voltage pulse across Pin 4 and GND (pin 5). The output glitch
observed is less than 0.2 V from the average output voltage for less than 1 µs.