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STMicroelectronics TS3704IPT
- Part No.:
- TS3704IPT
- Manufacturer:
- STMicroelectronics
- Category:
- Comparators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TS3704IPT.pdf
- Description:
- IC COMPARATOR 4 GEN PUR 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:33,675
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Product details
Overview
TS3704IPT from STMicroelectronics is a micropower quad CMOS voltage comparator with push-pull outputs, 9 μA typical supply current per comparator, 2.7–16 V single-supply operation, 1 pA typical input bias current, and 2 μs typical response time at 5 mV overdrive. It replaces bipolar LM339 in battery-powered sensor monitoring circuits requiring rail-to-rail input and low-power wake-up detection.
For engineers reviewing the TS3704IPT datasheet, TS3704IPT pinout, TS3704IPT application, or TS3704IPT equivalent, key selection criteria include ultra-low quiescent current, ground-sensing input range, push-pull output eliminating pull-up resistors, and TSSOP14 packaging for space-constrained PCB layouts.
Technical Context
The TS3704IPT integrates four independent high-impedance (10¹² Ω typ) comparators with inputs that operate down to GND and outputs capable of sourcing/sinking ±4 mA. Its CMOS architecture enables stable operation across 2.7–16 V single supplies or ±1.35–±8 V dual supplies.
Each comparator features 80 dB common-mode rejection and 92 dB supply voltage rejection at 5 V, with input offset voltage ≤6.5 mV and propagation delay <2 μs under 5 mV overdrive - matching LM339 timing while reducing power by 20×.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 9 μA typ per comparator - enables multi-year operation on coin-cell batteries in always-on sensing nodes. |
| Input Bias Current | 1 pA typ - preserves signal integrity in high-impedance sensor interfaces (e.g., pH electrodes, photodiodes). |
| Input Common-Mode Range | 0 V to VCC−1.5 V - supports ground-referenced inputs without level-shifting circuitry. |
| Output Type | CMOS push-pull - eliminates external pull-up resistors, saving board area and reducing BOM count. |
| Propagation Delay | 2 μs typ at 5 mV overdrive - delivers fast threshold detection comparable to bipolar comparators. |
| ESD Rating | 1.5 kV CDM - provides robust handling during automated PCB assembly. |
Pinout & Package
TSSOP14 package: 4.9–5.1 mm width, 0.65 mm pitch, 1.2 mm height, lead-free, RoHS-compliant, optimized for automated surface-mount assembly and thermal performance (RthJA = 175°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 | Non-inverting Input (+) | High-impedance node accepting analog signals down to GND; no level shift needed. |
| 2, 6, 10, 14 | Inverting Input (−) | Same GND-sensing capability as non-inverting inputs; enables differential or reference-based comparison. |
| 3, 7, 11, 12 | Output | CMOS push-pull stage driving logic-level loads directly; no external resistor required. |
| 4 | VCC+ | Positive supply rail; supports 2.7–16 V single supply or positive rail in dual-supply configuration. |
| 8 | VCC− | Negative supply rail or GND; enables true single-supply operation with inputs referenced to 0 V. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range including GND | Enables direct interface with 0 V-referenced sensors (e.g., thermistors, RTDs) without biasing networks. |
| Push-pull CMOS output stage | Reduces component count by removing four external pull-up resistors in quad configurations. |
| 9 μA/comparator supply current | Extends battery life in portable gas detectors and wearable health monitors beyond 5 years. |
| 1 pA input bias current | Maintains accuracy in high-Z transducer interfaces where leakage would otherwise dominate error. |
Applications
| Battery-Powered Sensor Node | Industrial Threshold Monitor |
|---|---|
Use Scenario: Continuous monitoring of temperature, humidity, or gas concentration using microamp-level sensors and coin-cell power. IC Role / Device Role / Timing Role: Quad comparator independently checks multiple sensor thresholds against fixed references to trigger wake-up or alarm signals. Use Value: 9 μA total quiescent current (36 μA for all four channels) enables >3-year operation on CR2032 cells without recharge. | Use Scenario: Detecting out-of-tolerance conditions in PLC analog input modules with 4–20 mA loop receivers. IC Role / Device Role / Timing Role: Compares conditioned sensor outputs against programmable trip points to assert fault flags to MCU GPIOs. Use Value: Ground-sensing inputs eliminate need for negative supply rails in single-supply industrial I/O designs. |
| Portable Medical Device | Low-Power Battery Management |
Use Scenario: ECG front-end overvoltage protection and lead-off detection in handheld diagnostic tools. IC Role / Device Role / Timing Role: Monitors electrode impedance and amplifier supply rails using precision internal references. Use Value: 1 pA input bias prevents DC offset drift in high-gain biopotential amplifiers. | Use Scenario: Cell voltage monitoring and charge/discharge control in lithium coin-cell–powered IoT trackers. IC Role / Device Role / Timing Role: Four independent comparators track individual cell voltages relative to undervoltage/overvoltage thresholds. Use Value: Push-pull outputs drive MOSFET gates directly, enabling efficient load switching without gate driver ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad voltage comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM339DT | Bipolar input stage; 2 mA supply current per comparator; open-collector output requires pull-up resistors. | Higher power consumption limits use in battery lifetime–critical designs; better noise immunity in electrically noisy environments. | Select when legacy compatibility or EMI robustness outweighs power savings. |
| TLV3704IPW | Lower 5.5 μA supply current; rail-to-rail inputs/outputs; 1.8–16 V supply range; same TSSOP14 footprint. | Superior input/output swing near rails; tighter offset (1.5 mV max); optimized for 1.8 V logic interfacing. | Select for next-gen ultra-low-voltage systems requiring extended dynamic range. |
Compared with LM339DT and TLV3704IPW, TS3704IPT offers the best balance of proven industrial reliability, LM339 pin/function compatibility, and 20× lower power - making it ideal for drop-in upgrades in existing designs where space and battery life are constrained.
Availability
TS3704IPT is available at Aetrix Electronics and suitable for battery-powered sensor nodes, industrial threshold monitors, portable medical devices, and low-power battery management systems requiring stable component supply and long-term manufacturability.
Supply support for TS3704IPT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing silicon solutions for automotive, industrial, and consumer markets with emphasis on energy efficiency and system integration.
The TS3704 belongs to ST's precision analog comparators product line, engineered specifically for micropower sensing and battery-operated instrumentation where supply current, input impedance, and GND-compatible operation are critical design constraints.
FAQ
What is the maximum operating temperature for TS3704IPT?
The TS3704IPT is rated for −40°C to +125°C free-air operating temperature, matching the TS3704I grade. This extends reliability in automotive cabin modules and industrial edge controllers exposed to wide ambient swings without derating.
Can TS3704IPT operate from a 1.8 V supply?
No - the absolute minimum supply voltage is 2.7 V per datasheet Table 2. Attempting operation below 2.7 V risks undefined output states and increased propagation delay; for 1.8 V systems, consider TLV3704IPW instead.
Does TS3704IPT require external hysteresis components?
Not inherently - its internal architecture does not integrate hysteresis. External positive feedback resistors must be added per comparator if noise immunity is required, as with any standard voltage comparator lacking built-in hysteresis.
Is TS3704IPT pin-compatible with LM339 in TSSOP14?
No - LM339 is not offered in TSSOP14. TS3704IPT is functionally compatible and pinout-mapped to LM339 in DIP14/SO14 packages, but its TSSOP14 variant (TS3704IPT) has identical pin numbering and electrical behavior - enabling layout reuse when migrating from SO14 to denser packaging.
TS3704IPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 4
- Output Type:
- CMOS, Push-Pull
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 16V, ±1.35V ~ 8V
- :
- 5mV @ 10V
- Voltage - Input Offset (Max):
- 1pA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 25µA
- Current - Quiescent (Max):
- 80dB CMRR
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-TSSOP
TS3704IPT FAQ
1.How can I place an order for TS3704IPT through Aetrix?
Please submit a Request for Quotation (RFQ) for TS3704IPT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TS3704IPT reliable?
The price and inventory of TS3704IPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TS3704IPT is usually 5 days.
3.What payment methods are accepted for TS3704IPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TS3704IPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TS3704IPT?
TS3704IPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TS3704IPT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TS3704IPT?
For technical support, including TS3704IPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TS3704IPT requirements.
6.How does Aetrix verify that TS3704IPT is sourced from the original manufacturer or authorized distributors?
All TS3704IPT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TS3704IPT meets industry standards.
7.What is the process for return or replacement of TS3704IPT?
All TS3704IPT units undergo pre-shipment inspection (PSI). If there is an issue with TS3704IPT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TS3704IPT part is unused and in its original packaging.
Return procedure for TS3704IPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TS3704IPT Tags
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LM2903DR
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LM339DR
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LM239DR
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LM2903P
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NCX2200GMAZ
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