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Texas Instruments THS7002CPWPR
- Part No.:
- THS7002CPWPR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 28-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
THS7002CPWPR.pdf
- Description:
- IC OPAMP PGA 2 CIRCUIT 28HTSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,617
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Product details
Overview
THS7002CPWPR from Texas Instruments is a dual-channel, high-speed programmable-gain amplifier (PGA) with separate low-noise preamp stages per channel, ±4.5 V to ±16 V split-supply operation, 1.7 nV/√Hz input voltage noise, 100 MHz preamp bandwidth, and 70 MHz PGA bandwidth. It serves as a precision analog front-end for variable-impedance sensor interfaces in medical imaging and test equipment.
For engineers reviewing the THS7002CPWPR datasheet, THS7002CPWPR pinout, THS7002CPWPR application, or THS7002CPWPR equivalent, key selection criteria include digitally programmable gain (−22 dB to +20 dB in 6 dB steps), independent per-channel shutdown control, output clamp protection (±2 V to ±10 V), accessible preamp output for external filtering, and PowerPAD™ TSSOP-28 thermal performance.
Technical Context
The THS7002CPWPR integrates two independent signal chains, each comprising a voltage-feedback preamplifier (Gmin = −1 or 2) followed by an inverting digital PGA. The preamp delivers ultra-low noise and wide bandwidth before signal conditioning, while the PGA uses three TTL-compatible gain-control bits (G2/G1/G0) to select one of eight discrete gain/attenuation levels.
Each channel features dedicated shutdown (SHDN−A/SHDN−B), clamp terminals (CLAMP+/CLAMP− shared across both channels), and reference inputs (PGA-A REF/PGA-B REF). The architecture supports simultaneous gain programming and output limiting without inter-channel coupling-channel-to-channel crosstalk is −85 dB (preamp) and −77 dB (PGA) at 1 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Preamp Voltage Noise | 1.7 nV/√Hz - enables detection of microvolt-level signals in low-amplitude sensor applications |
| Preamp Bandwidth | 100 MHz (−3 dB) - supports high-fidelity amplification of fast transient signals up to 100 MHz |
| PGA Gain Range | −22 dB to +20 dB in 6 dB steps - provides precise dynamic range adaptation for varying input amplitudes |
| Slew Rate (PGA) | 175 V/µs at ±15 V supply - ensures faithful reproduction of fast-rising edges without distortion |
| Supply Range | ±4.5 V to ±16 V split supply - accommodates legacy industrial and high-voltage analog systems |
| Output Clamp Accuracy | ±80 mV (±5 V supply) - protects downstream ADCs by tightly bounding output swing within common-mode limits |
| Shutdown Enable Time | 1.5 µs - allows rapid channel multiplexing in time-division sampling architectures |
Pinout & Package
THS7002CPWPR is housed in a 28-pin PowerPAD™ Plastic TSSOP (PWP) package with exposed thermal pad on underside, requiring PCB thermal plane connection for junction temperature control under load.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 14, 15, 28 | GND-A / GND-B / GND | Separate analog ground returns for preamp A/B and PGA sections to minimize coupling |
| 2, 13 | PGA-A REF / PGA-B REF | Reference inputs setting DC offset and common-mode level for respective PGA stages |
| 3, 12 | PGA-A IN− / PGA-B IN− | Inverting inputs for PGA sections; require matched termination for optimal CMRR |
| 4, 11 | PREAMP OUT A / PREAMP OUT B | Accessible preamp outputs enabling external RC filters or gain-setting resistors |
| 5, 10 | PREAMP-A IN− / PREAMP-B IN− | Differential preamp inputs optimized for low-noise, high-Z source interfacing |
| 6, 9 | PREAMP-A IN+ / PREAMP-B IN+ | Non-inverting preamp inputs; paired with pins 5/10 for balanced signal acquisition |
| 7, 8, 23, 24 | PREAMP VCC− / PREAMP VCC+ / PGA VCC− / PGA VCC+ | Independent ± supplies for preamp and PGA sections allow rail optimization per stage |
| 16–18, 26–27 | G0-A/G1-A/G2-A / G0-B/G1-B/G2-B | Three-bit parallel digital gain control per channel; TTL-compatible logic thresholds |
| 19, 25 | SHDN−A / SHDN−B | Active-low per-channel shutdown enabling power gating and signal routing control |
| 20, 22 | PGA-A OUT / PGA-B OUT | Final amplified outputs with integrated clamping to VH/VL terminals |
| 21, 29 | CLAMP− (VL) / CLAMP+ (VH) | Shared clamp voltage inputs defining lower/upper output saturation limits for both channels |
Key Features
| Feature | Design Value |
|---|---|
| Separate preamp + PGA architecture | Enables independent optimization of noise floor (preamp) and dynamic range (PGA), avoiding trade-offs in single-stage designs |
| Externally filterable preamp output | Allows insertion of anti-aliasing or notch filters between preamp and PGA without degrading noise performance |
| Dual independent shutdown control | Supports time-sliced multi-channel acquisition with <1.5 µs channel enable latency and <100 ns disable delay |
| Output clamp protection | Prevents overvoltage damage to downstream ADCs by limiting output swing to user-defined VH/VL rails |
| PowerPAD™ thermal package | Reduces θJA to 35.9 °C/W (THS7002), enabling 4.48 W continuous dissipation with proper PCB copper area |
Applications
| Ultrasound Beamforming | High-Speed Data Acquisition |
|---|---|
Use Scenario: Amplifying weak echo signals from piezoelectric transducers with variable cable capacitance and impedance mismatch. IC Role / Device Role / Timing Role: Dual-channel THS7002CPWPR acts as programmable analog front-end per transducer element, adjusting gain per depth layer and clamping outputs before ADC sampling. Use Value: 1.7 nV/√Hz preamp noise preserves SNR of µV-level echoes; 6 dB gain steps match logarithmic attenuation profiles in tissue. | Use Scenario: Digitizing multi-sensor waveforms (vibration, temperature, strain) in synchronized industrial monitoring systems. IC Role / Device Role / Timing Role: THS7002CPWPR conditions signals from diverse sensors with mismatched output ranges, enabling single ADC usage across channels. Use Value: −22 dB to +20 dB gain range accommodates ±10 mV thermocouple and ±10 V accelerometer outputs without external attenuators. |
| Medical Imaging Front-End | Automated Test Equipment (ATE) |
Use Scenario: Signal conditioning in digital radiography detectors where X-ray pulse amplitude varies significantly across exposure settings. IC Role / Device Role / Timing Role: THS7002CPWPR's per-channel shutdown and gain control adapt real-time to pulse height, minimizing dead time between frames. Use Value: 100 MHz preamp bandwidth preserves rise-time fidelity of nanosecond X-ray pulses; clamp protection avoids ADC saturation during overexposure. | Use Scenario: Stimulus-response testing of RF components requiring precise gain-controlled stimulus generation and response capture. IC Role / Device Role / Timing Role: THS7002CPWPR generates calibrated test tones with programmable amplitude and fast settling (<125 ns to 0.1%) for swept-frequency measurements. Use Value: 175 V/µs slew rate and 70 MHz bandwidth ensure flat frequency response up to 20 MHz; gain accuracy ±7.5% enables traceable calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable-gain amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS7001CPWP | Single-channel version with identical specs; same pinout footprint except 14 pins fewer | Used when only one signal path is required; reduces board area and cost in single-input systems | Select THS7001CPWP for space-constrained single-channel designs where dual-channel capability is unnecessary |
| PGA112AIDGST | Single-supply (2.7–5.5 V), rail-to-rail I/O, 10-bit SPI interface; lower bandwidth (10 MHz), higher noise (12 nV/√Hz) | Targeted at battery-powered portable instrumentation; lacks dual-channel independence and high-voltage swing | Choose PGA112AIDGST only for low-power, single-supply embedded systems where bandwidth and noise are secondary to integration and supply simplicity |
Compared with THS7001CPWP, THS7002CPWPR doubles channel count in same package width but increases quiescent current by ~1.5 mA per channel; versus PGA112AIDGST, it delivers 10× higher bandwidth and 7× lower noise at the cost of dual ± supplies and parallel digital control.
Availability
THS7002CPWPR is available at Aetrix Electronics and suitable for ultrasound beamforming, high-speed data acquisition, medical imaging front-ends, and automated test equipment requiring stable component supply and long-term production continuity.
Supply support for THS7002CPWPR 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 leader delivering analog and embedded processing solutions with emphasis on precision, reliability, and thermal robustness.
The THS700x product line targets high-fidelity analog signal chains in medical, test, and industrial instrumentation-designed specifically for applications demanding ultra-low noise, wide bandwidth, and programmable dynamic range in harsh electrical environments.
FAQ
What is the operating temperature range for the THS7002CPWPR?
The THS7002CPWPR is rated for 0°C to 70°C ambient operation (C-suffix grade). Its absolute maximum junction temperature is 150°C, and thermal design must account for the PowerPAD™ package-thermal vias and copper pour beneath the exposed pad are mandatory to maintain safe junction temperatures under full load.
How does the THS7002CPWPR handle gain switching transients?
The THS7002CPWPR exhibits a 2 µs gain-change delay time to reach 90% of final gain value. During transitions, output remains stable with no overshoot or oscillation due to internal compensation; measured settling time to 0.1% is 125 ns at ±15 V supply and 2 V step, making it suitable for high-speed multiplexed gain calibration.
Can the preamp and PGA sections operate at different supply voltages?
No-the THS7002CPWPR requires that the PGA supply voltage be ≤ preamp supply voltage. Both sections share common VCC+ and VCC− pins per domain (PREAMP VCC± and PGA VCC±), and the datasheet explicitly states "PGA minimum supply voltage must be less than or equal to preamp supply voltage" to ensure proper biasing and avoid latch-up.
What is the purpose of the CLAMP+ and CLAMP− terminals on the THS7002CPWPR?
The CLAMP+ (VH) and CLAMP− (VL) terminals define hard voltage limits for both PGA outputs. When the PGA output attempts to exceed VH or fall below VL, internal circuitry clamps it-protecting downstream ADCs from overvoltage. Clamp accuracy is ±80 mV at ±5 V supply, and recovery time after overdrive is 6 ns, ensuring minimal disruption to signal integrity.
Is the THS7002CPWPR pin-compatible with other devices in the THS700x family?
Yes-the THS7002CPWPR shares identical pinout and package (PWP) with THS7002IPWP (−40°C to 85°C grade) and is footprint-compatible with THS7001CPWP (single-channel), differing only in channel count and associated pins (e.g., G0-B/G1-B/G2-B and SHDN−B are NC on THS7001CPWP). No PCB redesign is needed when upgrading from C- to I-grade or scaling channel count.
THS7002CPWPR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 28-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- Programmable Gain
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 175V/µs
- Gain Bandwidth Product:
- 70 MHz
- -3db Bandwidth:
- 100 MHz
- Current - Input Bias:
- 2.5 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 5mA
- Current - Output / Channel:
- 95 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 32 V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-HTSSOP
THS7002CPWPR FAQ
1.How can I place an order for THS7002CPWPR through Aetrix?
Please submit a Request for Quotation (RFQ) for THS7002CPWPR 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 THS7002CPWPR reliable?
The price and inventory of THS7002CPWPR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS7002CPWPR is usually 5 days.
3.What payment methods are accepted for THS7002CPWPR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS7002CPWPR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS7002CPWPR?
THS7002CPWPR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS7002CPWPR 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 THS7002CPWPR?
For technical support, including THS7002CPWPR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS7002CPWPR requirements.
6.How does Aetrix verify that THS7002CPWPR is sourced from the original manufacturer or authorized distributors?
All THS7002CPWPR 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 THS7002CPWPR meets industry standards.
7.What is the process for return or replacement of THS7002CPWPR?
All THS7002CPWPR units undergo pre-shipment inspection (PSI). If there is an issue with THS7002CPWPR, 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 THS7002CPWPR part is unused and in its original packaging.
Return procedure for THS7002CPWPR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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