My Inquiry
My Account
Texas Instruments THS4524IDBT
- Part No.:
- THS4524IDBT
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 38-TFSOP (0.173", 4.40mm Width)
- Datasheet:
-
THS4524IDBT.pdf
- Description:
- IC OPAMP DIFF 4 CIRCUIT 38TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:375
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
THS4524IDBT from Texas Instruments is a quad fully differential amplifier (FDA) with negative-rail input, rail-to-rail output, and independent output common-mode control per channel. It delivers 145 MHz small-signal bandwidth, 490 V/μs slew rate, and –133 dBc HD2 at 10 kHz (1 VRMS, RL = 1 kΩ), operating from +2.5 V to +5.5 V single supply. It is used in low-power SAR/ΔΣ ADC driver circuits requiring precise differential signal conditioning.
For engineers reviewing the THS4524IDBT datasheet, THS4524IDBT pinout, THS4524IDBT application, or THS4524IDBT equivalent, key selection criteria include per-channel power-down capability (20 μA quiescent current in shutdown), VOCM-controlled output common-mode voltage (0.8 V to 4.2 V range), rail-to-rail output swing (0.1 V to 4.75 V at 5 V supply), and industrial temperature range (–40°C to +85°C).
Technical Context
The THS4524IDBT implements a fully differential architecture with four independent amplifier channels sharing a common negative supply (VS–) rail. Each channel features dedicated VOCM inputs enabling dc-coupled interfacing to precision ADCs like ADS1278, while maintaining accurate output common-mode setpoint despite process and temperature variation.
Its negative-rail input stage supports ground-referenced single-ended sources without level-shifting circuitry, and its rail-to-rail output delivers full dynamic range into high-impedance loads or capacitive ADC inputs up to 2.2 nF. Power-down pins (PD1–PD4) provide per-channel enable/disable control with <100 ns turn-on/turn-off delay.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 145 MHz at G = 1 (enables >10 MSPS SAR ADC driving with <0.1-dB flatness to 30 MHz) |
| Slew Rate | 490 V/μs (supports fast-settling 2-VPP differential step responses in ≤10 ns) |
| HD2 / HD3 | –133 dBc / –141 dBc at 10 kHz (ensures high-fidelity audio and precision measurement signal integrity) |
| Input Voltage Noise | 4.6 nV/√Hz at 100 kHz (minimizes contribution to system SNR degradation) |
| Quiescent Current | 1.14 mA per channel at 5 V (enables ultra-low-power multi-channel data acquisition) |
| VOCM Range | 0.8 V to 4.2 V at 5 V supply (allows direct matching to ADC reference midpoints) |
| Power-Down Current | 20 μA typical per channel (reduces idle power by >98% during channel gating) |
Pinout & Package
TSSOP-38 package (9.70 mm × 4.40 mm body size) with exposed thermal pad; pin-compatible with industry-standard 0.5-mm pitch TSSOP footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PD1–PD4 | Per-channel power-down enable | Logic-low assertion disables amplifier output and reduces quiescent current to 20 μA; open or logic-high enables normal operation |
| VIN1±–VIN4± | Differential input pairs | Supports true differential or single-ended input with negative-rail common-mode range (–0.1 V min at 5 V supply) |
| VOUT1±–VOUT4± | Differential output pairs | Rail-to-rail swing (0.1 V to 4.75 V at 5 V) enables full utilization of ADC input range |
| VOCM1–VOCM4 | Output common-mode control inputs | Analog voltage input sets DC offset of corresponding differential output pair; gain = 0.99 V/V, error < ±9 mV |
| VS+, VS– | Positive/negative supply rails | VS– is internally tied across all four channels; supports single-supply operation from +2.5 V to +5.5 V |
Key Features
| Feature | Design Value |
|---|---|
| Fully differential architecture | Eliminates even-order harmonics and common-mode noise in ADC interface paths |
| Negative-rail input (NRI) | Accepts input signals down to VS– (0 V), enabling direct connection to ground-referenced sensors |
| Rail-to-rail output (RRO) | Delivers maximum signal swing into high-Z or capacitive loads without clipping |
| Independent VOCM per channel | Enables simultaneous dc-coupling to multiple ADC inputs with differing reference voltages |
| Per-channel power-down | Allows dynamic channel gating in time-interleaved or burst-mode acquisition systems |
Applications
| Low-Power SAR ADC Driver | Multi-Channel ΔΣ Data Acquisition |
|---|---|
Use Scenario: Driving ADS1278 24-bit ΔΣ ADC in a 4-channel vibration monitoring node powered by battery or energy harvesting. IC Role / Device Role / Timing Role: Quad FDA providing matched, low-noise, dc-coupled differential excitation to each ADC channel while minimizing total system power. Use Value: 1.14 mA/ch quiescent current and 20 μA shutdown mode extend battery life; VOCM control ensures optimal ADC input common-mode alignment. | Use Scenario: Signal conditioning front-end for portable medical ECG device with four lead pairs and isolated ADCs. IC Role / Device Role / Timing Role: Four independent differential drivers isolating electrode inputs, rejecting common-mode interference, and preserving signal fidelity up to 200 Hz. Use Value: –141 dBc HD3 at 1 kHz ensures diagnostic-grade waveform accuracy; rail-to-rail output maximizes dynamic range utilization. |
| High-Density Audio Interface | Industrial Sensor Signal Conditioning |
Use Scenario: Low-power stereo+aux audio line driver in compact IoT soundbar with space-constrained PCB layout. IC Role / Device Role / Timing Role: Quad FDA configured as two stereo differential drivers (L/R + aux) with shared supply and independent VOCM tuning. Use Value: 4.6 nV/√Hz input noise and –112 dBc THD+N (22-kHz BW) meet consumer audio SNR requirements without external filtering. | Use Scenario: Bridge sensor amplifier stage in factory-floor pressure transducer module with 4-sensor redundancy. IC Role / Device Role / Timing Role: Four parallel FDA channels amplifying Wheatstone bridge outputs, each with programmable VOCM for offset calibration. Use Value: Input common-mode range extending to VS– (0 V) allows direct connection to unbuffered bridge outputs; CMRR ≥ 80 dB suppresses supply-induced errors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fully differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS4522IDGKT | Dual-channel version in 16-pin TSSOP; identical AC/DC specs but half channel count and lower quiescent current (0.95 mA/ch) | Suitable for 2-channel systems where board area or cost must be minimized; lacks channel density for 4+ ADC interfaces | Select THS4522IDGKT when only two differential channels are required and PCB real estate is constrained. |
| THS4531IDR | Single-channel FDA with lower bandwidth (36 MHz), higher PSRR (110 dB), and lower IQ (0.25 mA); no VOCM pin - fixed 50% output common-mode | Appropriate for cost-sensitive, low-bandwidth sensor interfaces where dc-coupling flexibility is not needed | Choose THS4531IDR for simple single-ended-to-differential conversion where VOCM control and quad integration are unnecessary. |
Compared with THS4522IDGKT and THS4531IDR, THS4524IDBT uniquely provides four independent VOCM-controlled differential channels in one package-enabling compact, power-optimized, multi-ADC signal chains without inter-channel timing skew or layout mismatch penalties.
Availability
THS4524IDBT is available at Aetrix Electronics and suitable for low-power SAR/ΔΣ ADC drivers, multi-channel audio interfaces, and industrial sensor signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for THS4524IDBT 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
Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in precision amplifiers, data converters, and power management ICs.
The THS452x family was designed specifically for low-power, high-performance differential signal conditioning in data acquisition systems-emphasizing rail-to-rail output, negative-rail input, and per-channel VOCM control to simplify ADC interface design.
FAQ
What is the recommended supply voltage range for THS4524IDBT?
The THS4524IDBT operates over a single-supply range of +2.5 V to +5.5 V (VS+ to VS–). At 5 V supply, it delivers full performance including 145 MHz bandwidth and rail-to-rail output swing from 0.1 V to 4.75 V. Operation below 2.5 V is not characterized and may degrade AC performance or cause output clipping.
Does THS4524IDBT support dc-coupled ADC interfacing?
Yes, THS4524IDBT supports dc-coupled ADC interfacing via its VOCM inputs (VOCM1–VOCM4), which allow precise setting of output common-mode voltage from 0.8 V to 4.2 V at 5 V supply. This enables direct connection to ADCs such as ADS1278 without ac-coupling capacitors or level-shifting circuitry.
How does the power-down function work on THS4524IDBT?
Each channel of THS4524IDBT has a dedicated power-down pin (PD1–PD4). Driving a PD pin low disables the corresponding amplifier, reducing quiescent current to 20 μA typical. The pin is active-low with guaranteed disable below 0.7 V and enable above 2.1 V; open or logic-high defaults to normal operation.
What is the input common-mode voltage range of THS4524IDBT?
At 5 V supply, the THS4524IDBT input common-mode voltage range extends from –0.1 V (below ground) to 3.6 V. This negative-rail input capability allows direct interfacing with ground-referenced sources such as sensors or DAC outputs without external biasing networks.
Can THS4524IDBT drive capacitive loads like ADC inputs?
Yes, THS4524IDBT is characterized to drive up to 2.2 nF capacitive loads while maintaining stability and specified settling time (≤10 ns to 1%). Its low closed-loop output impedance (0.3 Ω at 1 MHz) and rail-to-rail output ensure robust performance into typical SAR and ΔΣ ADC input capacitances.
THS4524IDBT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 38-TFSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Differential
- Number of Circuits:
- 4
- Output Type:
- Differential, Rail-to-Rail
- Slew Rate:
- 600V/µs
- Gain Bandwidth Product:
- 95 MHz
- -3db Bandwidth:
- 145 MHz
- Current - Input Bias:
- 700 nA
- Voltage - Input Offset:
- 240 µV
- Current - Supply:
- 1.14mA (x4 Channels)
- Current - Output / Channel:
- 55 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 38-TSSOP
THS4524IDBT FAQ
1.How can I place an order for THS4524IDBT through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4524IDBT 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 THS4524IDBT reliable?
The price and inventory of THS4524IDBT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4524IDBT is usually 5 days.
3.What payment methods are accepted for THS4524IDBT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4524IDBT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4524IDBT?
THS4524IDBT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4524IDBT 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 THS4524IDBT?
For technical support, including THS4524IDBT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4524IDBT requirements.
6.How does Aetrix verify that THS4524IDBT is sourced from the original manufacturer or authorized distributors?
All THS4524IDBT 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 THS4524IDBT meets industry standards.
7.What is the process for return or replacement of THS4524IDBT?
All THS4524IDBT units undergo pre-shipment inspection (PSI). If there is an issue with THS4524IDBT, 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 THS4524IDBT part is unused and in its original packaging.
Return procedure for THS4524IDBT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
THS4524IDBT Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
