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TLV9034QPWRQ1
Texas Instruments
IC COMPARATOR 4 GEN PUR 14TSSOP
6105 Pcs New Original In Stock
Comparator General Purpose Push-Pull, Rail-to-Rail 14-TSSOP
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TLV9034QPWRQ1
Product Overview
10415109
DiGi Electronics Part Number
TLV9034QPWRQ1-DGManufacturer
Texas Instruments
TLV9034QPWRQ1
Description
IC COMPARATOR 4 GEN PUR 14TSSOPInventory
6105 Pcs New Original In Stock
Comparator General Purpose Push-Pull, Rail-to-Rail 14-TSSOP
Quantity
Minimum 1
Minimum 1
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TLV9034QPWRQ1 Technical Specifications
Category
Linear, Comparators
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Type
General Purpose
Number of Elements
4
Output Type
Push-Pull, Rail-to-Rail
Voltage - Supply, Single/Dual (±)
1.65V ~ 5.5V
Voltage - Input Offset (Max)
1.5mV @ 5V
Current - Input Bias (Max)
5pA @ 5V
Current - Output (Typ)
100mA @ 5V
Current - Quiescent (Max)
30µA
CMRR, PSRR (Typ)
70dB CMRR, 95dB
Propagation Delay (Max)
150ns
Hysteresis
-
Operating Temperature
-40°C ~ 125°C
Grade
Automotive
Qualification
AEC-Q100
Package / Case
14-TSSOP (0.173", 4.40mm Width)
Mounting Type
Surface Mount
Supplier Device Package
14-TSSOP
Datasheet & Documents
HTML Datasheet
TLV9034QPWRQ1-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-TLV9034QPWRQ1TR
Standard Package
2,000
Alternative Parts
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Reviews
5.0/5.0-(Show up to 5 Ratings)
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Frequently Asked Questions (FAQ)
Can the TLV9034QPWRQ1 be used as a drop-in replacement for the TS864IDT in an automotive sensor interface design, and what are the key differences to watch for?
The TLV9034QPWRQ1 can function as a replacement for the TS864IDT in many automotive applications, but it is not a direct drop-in due to differences in output stage and quiescent current. While both are AEC-Q100 qualified and operate over a 1.65V to 5.5V supply range, the TLV9034QPWRQ1 features push-pull, rail-to-rail outputs with higher output drive (100mA vs. 50mA typical on TS864IDT), which improves compatibility with heavier loads. However, the TLV9034QPWRQ1 has higher quiescent current (30µA max vs. ~8µA for TS864IDT), making it less suitable for ultra-low-power systems. Additionally, verify PCB layout compatibility—TLV9034QPWRQ1 is in a 14-TSSOP package, same as TS864IDT, but pinouts should be cross-checked to avoid signal inversion or open-drain configuration mismatches. Simulate propagation delay (150ns max) in your signal chain to ensure timing requirements are met.
What design-in risks should be considered when using the TLV9034QPWRQ1 in high-noise automotive environments, even though it has high PSRR and CMRR?
Despite the TLV9034QPWRQ1's strong 95dB PSRR and 70dB CMRR, real-world automotive noise can still cause false triggering if board-level best practices are ignored. Key risks include ground bounce and supply instability due to the 100mA output drive capability—ensure tight decoupling with a 100nF ceramic capacitor near each V+ pin and use a low-impedance ground plane. Avoid routing digital or switching signals near comparator inputs, and keep input traces symmetrical to minimize noise coupling. The 1.5mV input offset at 5V may be affected by thermal gradients, so avoid placing heat sources near one side of the 14-TSSOP package. For long input traces, add small RC filters (e.g., 1kΩ + 100pF) to suppress RF rectification without compromising 150ns propagation delay performance.
How does the push-pull, rail-to-rail output stage of the TLV9034QPWRQ1 impact reliability in multiplexed signal routing compared to open-drain alternatives?
The push-pull, rail-to-rail output of the TLV9034QPWRQ1 ensures fast, deterministic switching between logic levels without requiring external pull-ups, which reduces component count and power loss. However, in multiplexed signal paths, this presents a potential reliability risk if outputs can be driven by multiple sources. Unlike open-drain comparators, the TLV9034QPWRQ1 cannot be wire-OR’d safely—connecting outputs together may cause contention and current shoot-through, risking device damage. Always use external multiplexers or ensure strict control of output enable states in shared-bus designs. Also verify that downstream inputs can tolerate fast edge rates (dV/dt > 1V/ns) to avoid latch-up in sensitive digital ICs.
What are the thermal and electrical implications of operating the TLV9034QPWRQ1 near its maximum 125°C junction temperature in sealed automotive enclosures?
Operating the TLV9034QPWRQ1 near 125°C (its maximum operating temperature) in sealed enclosures demands careful thermal management to prevent parametric drift or long-term reliability loss. While the device has low quiescent current (30µA max), heavy output loading (e.g., 50mA continuous) can raise die temperature significantly, especially in 14-TSSOP with limited thermal pad exposure. Use at least two thermal vias under the exposed pad (if present) to an inner ground plane, and avoid placing the IC near high-dissipation components. At high temperatures, input offset voltage may shift—though not specified beyond 1.5mV at 5V, assume ±30% variation. Confirm stability of hysteresis (if added externally) and timing accuracy in worst-case scenarios, particularly in window comparator configurations.
In battery-powered automotive systems, how does the TLV9034QPWRQ1's 30µA quiescent current affect system-level power budgeting compared to lower-IQ comparators?
The TLV9034QPWRQ1's 30µA maximum quiescent current per device is moderate for general-purpose automotive use but can significantly impact battery life in always-on, low-power systems (e.g., key-off monitoring). Compared to nano-power alternatives like the LPV7215 (1.3µA IQ), the TLV9034QPWRQ1 draws over 20x more current, reducing standby duration—for example, in a 4-element setup, it alone contributes ~120µA, which could dominate the system budget. Use it only when high output drive (100mA) or fast response (150ns) is essential. If low power is critical, consider duty-cycling the supply via a MOSFET controlled by a microcontroller, leveraging the chip’s fast wake-up due to simple internal architecture. Always confirm supply ramp behavior to avoid false outputs during power-up.
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TLV9034QPWRQ1 CAD Models
Texas Instruments TLV9034QPWRQ1 PCB symbols & footprints
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