-4V to 80V, 1MHz, High-Precision, Zero-drift
High-Side or Low-Side Current Sense Amplifier
- Parameters
- Features
- Description
| Part number |
SQ52132D |
| Features |
High precise, High speed |
| Direction |
Unidirection |
| Common mode voltage (min)(V) |
-4 |
| Common mode voltage (max)(V) |
80 |
| Vcc max (V) |
20 |
| Vcc min (V) |
2.7 |
| Vshunt Input offset (±)(max)(μV) |
65 |
| Voltage gain (V/V) |
100 |
| Bandwidth (kHz) |
1000 |
| CMRR (min)(dB) |
114 |
| Gain error (max)(%) |
0.2 |
| Iq (max)(mA) |
1.7 |
| Operating temperature range(°C) |
-40 to 125 |
| Package |
SOT23 |
| Pin count |
5 |
Supply Voltage Range: 2.7V to 20V
Quiescent Current: 1.3mA (Typ)
Wide Common-Mode Range:
o Operational Voltage: -4V to 80V
o Survival Voltage: −6V to +90V
· Excellent CMRR:
o DC CMRR: 126dB (Min)
o AC CMRR: 80dB (Typ) at 50kHz
· High-Accuracy:
o Offset Voltage: ±20μV (Typ)
o Offset Voltage Drift: ±0.1μV/°C (Typ)
o Gain Error: ±0.2% (Max)
o Gain Error Drift: ±10ppm/°C (Max)
· Fixed Gain: 100V/V
· High Bandwidth: 1MHz
· Slew Rate: 10V/μs
The SQ52132D is a 100V/V fixed-gain current sense amplifier featuring high accuracy, high bandwidth, and a wide common-mode voltage range from –4V to 80V, independent of the supply voltage. This wide common-mode voltage facilitates use in high-side current-sense applications, and its capability to handle negative common-mode voltages enables operation in low-side current-sense applications, including those below ground.
The SQ52132D features low offset voltage, minimal gain error, and high DC Common Mode Rejection Ratio (CMRR), enabling precise current measurements. With a bandwidth of 1MHz and an AC CMRR of 80dB at 50kHz, the device is suitable for high-speed applications.
The supply voltage range of the SQ52132D is 2.7V to 20V, and the device draws 1.3mA quiescent current. It is available in a SOT23-5 package and is specified for the extended industrial temperature range of -40°C to 125°C.
Other Gain versions of the product, namely SQ52132C (50V/V) and SQ52132E (200V/V), will be launched in the future.
Evaluation Board
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Photo of evaluation board
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Photo of evaluation board
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Photo of evaluation board
The EVB_SQ52132DAAT is intended for -4V to 80V, 1MHz, High-Precision, Zero-drift High-Side or Low-Side Current Sense Amplifier