TLV9032DDFR.A datasheet(22/85 Pages) TI2

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6.4.1.2 TLV9032 and TLV9034 Push-Pull Output

The TLV903x features a push-pull output stage capable of both sinking and sourcing current. This allows driving

loads such as LED's and MOSFET gates, as well as eliminating the need for a power-wasting external pull-up

resistor. The push-pull output must never be connected to another output.

Unused push-pull outputs must be left floating, and never tied to a supply, ground, or another output. While an

individual output can typically sink and source up to 100mA, the total combined current for all channels must be

less than 200mA.

6.4.2 Inputs

6.4.2.1 Rail to Rail Input

The TLV90xx input voltage range extends from 200mV below V- to 200mV above V+. The differential input

voltage (VID) can be any voltage within these limits. No phase-inversion of the comparator output occurs when

the input pins exceed V+ or V-.

6.4.2.2 Fault Tolerant Inputs

The TLV90xx inputs are fault tolerant up to 5.5V independent of VS. Fault tolerant is defined as maintaining the

same high input impedance when VS is unpowered or within the recommended operating ranges.

The fault tolerant inputs can be any value between 0V and 5.5V, even while VS is zero or ramping up or down.

This feature avoids power sequencing issues as long as the input voltage range and supply voltage are within

the specified ranges. This is possible since the inputs are not clamped to V+ and the input current maintains the

value even when a higher voltage is applied to the inputs.

As long as one of the input pins remains within the valid input range, and the supply voltage is valid, the output

state is correct.

The following is a summary of input voltage excursions and the outcomes:

1. When both IN- and IN+ are within the specified input voltage range:

a. If IN- is higher than IN+ and the offset voltage, the output is low.

b. If IN- is lower than IN+ and the offset voltage, the output is high.

2. When IN- is higher than the specified input voltage range and IN+ is within the specified voltage range, the

output is low.

3. When IN+ is higher than the specified input voltage range and IN- is within the specified input voltage range,

the output is high

4. When IN- and IN+ are both outside the specified input voltage range, the output is indeterminate (random).

Do not operate in this region.

Even with the fault tolerant feature, TI strongly recommends keeping the inputs within the specified input voltage

range during normal system operation to maintain data sheet specifications. Operating outside the specified

input range can cause changes in specifications such as propagation delay and input bias current, which can

lead to unpredictable behavior.

6.4.2.3 Input Protection

The input bias current is typically 5pA for input voltages between V+ and V-. The comparator inputs are

protected from negative voltage by the internal ESD diodes connected to V-. As the input voltage goes under

V-, or above the input Absolute Maximum ratings, the protection diodes become forward biased and begin

to conduct causing the input bias current to increase exponentially. Input bias current doubles for each 10°C

temperature increase.

If the inputs are to be connected to a low impedance source, such as a power supply or buffered reference line,

TI recommends adding a current-limiting resistor in series with the input to limit any transient currents when the

clamps conduct. See the ESD section for more information.

TLV9020, TLV9021, TLV9022, TLV9024, TLV9030, TLV9031, TLV9032, TLV9034

SNOSDA3H – JUNE 2020 – REVISED NOVEMBER 2025

www.ti.com

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Product Folder Links: TLV9020 TLV9021 TLV9022 TLV9024 TLV9030 TLV9031 TLV9032 TLV9034

TLV9032DDFR.A 数据表(PDF) 22 Page - Texas Instruments

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