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1. Describe
TL331QDBVRQ1 and TL391B-Q1 devices are next Generation version of the industry standard TL331- Q1 comparator. These next-generation devices Excellent value for cost-sensitive applications whose features include lower offsets voltage, higher supply voltage capability, lower supply current, lower input bias current, lower spread Delay, dedicated ESD protection unit with improved Negative input voltage handling. The TL331B-Q1 can Direct replacement for TL331-Q1 "I" and "Q" Version. The TL391B-Q1 provides an alternate Pinout of the TL331B-Q1. The device consists of a single voltage comparator designed to operate from a single power supply over Wide voltage range. double operation supplies are also possible if the difference between Both supplies are 2 V to 36 V with a VCC of at least 1.5 V Corrected than the input common-mode voltage. Current consumption is independent of supply voltage. arrive Implement wired and relationship, one can connect output to other open collector outputs.
2. Feature
1. Compliant with automotive application requirements
2. AEC-Q100 qualified with the following results:
– Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range (B and Q Version)
– Device Temperature Grade 3: –40°C to 85°C Ambient Operating Temperature Range (I Version)
– Equipment HBM ESD classification level 2
– Equipment CDM ESD classification level C5
3. New TL331B-Q1 and TL391B-Q1
4. Wide supply voltage range, 2 V to 36 V
5. Low supply current consumption independent of the supply Voltage:
- 0.43 mA typical (Rev. B)
6. Low input bias current, 3.5 nA typical (Rev. B)
7. Low input offset voltage, 0.37 mV typical (Rev. B)
8. Differential input voltage range equal to maximum rated supply voltage, ±36 V
9. Input range includes ground
10. TL391B-Q1 provides alternate pinout
11. Output compatible with TTL, MOS and CMOS
3. Application
1. car
2. HEV/EV and powertrain
3. Infotainment and clusters
4. Body Control Module
4. Pin configuration
5. Pin Description
6. Function description
The TL331-Q1 contains a PNP Darlington pair input, allowing the device to operate with very high gain and fast response with minimal input bias current. Input Darlington pairs limit the input common-mode voltage capability, allowing the TL331-Q1 to operate accurately from ground to VCC – 1.5 V differential input. The output consists of an open-collector NPN (pull-down or low-side) transistor. When the negative input voltage is higher than the positive input voltage and offset voltage, the output NPN will sink current. VOL is resistive and will scale with output current.
7. Application Information
TL331-Q1 will typically be used to compare a single signal to a reference or two signals against each other. Many users take advantage of the open drain output to drive the comparison logic output to a logic voltage level to an MCU or logic device. The wide supply range and high voltage capability makes TL331-Q1 optimal for level shifting to a higher or lower voltage.
