Description
Pin Pin Name Description
1
IP+
2
IP+
3
IP
4
IP
Terminals for current being sampled; fused internally
Terminals for current being sampled; fused internally
Pin Pin Name Description
8
VDD
Supply voltage relative to GND
7
VOUT
Output Voltage
6
FILTER
Filter pin to set bandwidth
5
GND
Output side ground
Typical Application Circuit
A typical application circuit for the ACHS-7121/7122/7123 product series consists of a bypass capacitor and a filter capacitor a
Features
- Wide Operating Temperature:.
- 40ºC to 110ºC.
- Primary conductor resistance: 0.7 mΩ typ.
- Sensing current range: ±10A, ±20A, and ±30A.
- Output sensitivity: 66 to 185 mV/A.
- Output voltage proportional to AC or DC currents.
- Ratiometric output from supply voltage.
- Single supply operation: 5.0V.
- Low-noise analog signal path.
- Device bandwidth is set via FILTER pin:
80 kHz typ. Bandwidth with 1 nF filter capacitor.
- Factory-trimmed for accuracy.