Bezahlverfahren
INA293A1QDBVRQ1 +BOM
AEC-Q100, -4-V to 110-V, 1.3-MHz, ultra-precise current sense amplifier
SOT23-5-
Hersteller:
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Herstellerteil #:
INA293A1QDBVRQ1
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Datenblatt:
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Common-mode Voltage (max) (V):
110
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Common-mode Voltage (min) (V):
-4
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Input Offset (±) (max) (µV):
20, 30, 50, 80, 150
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Input Offset Drift (±) (typ) (µV/°C):
0.025
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EDA/CAD Modelle:
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Verfügbarkeit: 5958 Stck
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INA293A1QDBVRQ1 Allgemeine Beschreibung
The INA293-Q1 is a ultra-precise current sense amplifier that can measure voltage drops across shunt resistors over a wide common-mode range from –4 V to 110 V. The negative common-mode voltage allows the device to operate below ground, thus accommodating precise measurement of recirculating currents in half-bridge applications. The combination of a low offset voltage, small gain error and high DC CMRR enables highly accurate current measurement. The INA293-Q1 is not only designed for DC current measurement, but also for high-speed applications (ex. Fast over-current protection) with a high bandwidth of 1.3 MHz and an 85-dB AC CMRR (at 50 kHz).
The INA293-Q1 operates from a single 2.7-V to 20-V supply, drawing 1.5 mA of supply current. The INA293-Q1 is available with five gain options: 20 V/V, 50 V/V, 100 V/V, 200 V/V, and 500 V/V. These gain options address wide dynamic range current-sensing applications.
The INA293-Q1 is specified over an operating temperature range of −40 °C to +125 °C and is offered in a space-saving SOT-23 package with two pin-out variants.
Hauptmerkmale
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40 °C to +125 °C, TA
- Functional Safety-Capable
- Documentation available to aid functional safety system design
- Wide common-mode voltage:
- Operational voltage: −4 V to +110 V
- Survival voltage: −20 V to +120 V
- Excellent CMRR:
- 160-dB DC-CMRR
- 85-dB AC-CMRR at 50 kHz
- Accuracy:
- Gain:
- Gain error: ±0.15% (maximum)
- Gain drift: ±10 ppm/ °C (maximum)
- Offset:
- Offset voltage: ±15 µV (typical)
- Offset drift: ±0.05 µV/ °C (typical)
- Gain:
- Available gains:
- INA293A1 -Q1, INA293B1 -Q1 : 20 V/V
- INA293A2 -Q1, INA293B2 -Q1 : 50 V/V
- INA293A3 -Q1, INA293B3 -Q1 : 100 V/V
- INA293A4 -Q1, INA293B4 -Q1 : 200 V/V
- INA293A5 -Q1, INA293B5 -Q1 : 500 V/V
- High bandwidth: 1.3 MHz
- Slew rate: 2.5 V/µs
- Quiescent current: 1.5 mA
Spezifikationen
Product type | Analog output | Common-mode voltage (max) (V) | 110 |
Common-mode voltage (min) (V) | -4 | Input offset (±) (max) (µV) | 20, 30, 50, 80, 150 |
Input offset drift (±) (typ) (µV/°C) | 0.025 | Voltage gain (V/V) | 20, 50, 100, 200, 500 |
CMRR (min) (dB) | 140 | Bandwidth (kHz) | 900, 1000, 1300 |
Supply voltage (max) (V) | 20 | Supply voltage (min) (V) | 2.7 |
Iq (max) (mA) | 2.25 | Number of channels | 1 |
Comparators (#) | 0 | Gain error (%) | 0.15 |
Gain error drift (±) (max) (ppm/°C) | 10 | Slew rate (V/µs) | 2.5 |
Features | Low-side Capable, Ultra precise | Rating | Automotive |
TI functional safety category | Functional Safety-Capable | Operating temperature range (°C) | -40 to 125 |
feature-type | feature-number-of-elements-per-chip | ||
feature-number-of-channels-per-chip | 1 | feature-rail-to-rail | |
feature-typical-gain-bandwidth-product-mhz | feature-maximum-voltage-gain-db | ||
feature-minimum-cmrr-db | feature-minimum-psrr-db | ||
feature-output-type | feature-maximum-input-offset-voltage-mv | ||
feature-maximum-input-bias-current-ua | feature-maximum-input-resistance-mohm | ||
feature-maximum-power-dissipation-mw | feature-packaging | Tape and Reel | |
feature-rad-hard | feature-pin-count | 5 | |
feature-cecc-qualified | feature-esd-protection | ||
feature-escc-qualified | feature-military | No | |
feature-aec-qualified | Yes | feature-aec-qualified-number | AEC-Q100 |
feature-auto-motive | Yes | feature-p-pap | Yes |
feature-eccn-code | EAR99 | feature-svhc | |
feature-svhc-exceeds-threshold | No |
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INA293A1QDBVRQ1 Datenblatt PDF
INA293A1QDBVRQ1 PDF Vorschau
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