TLV9152IDGKR - Dual 16V 4.5MHz Low-Power Op Amp | TI
MPN: TLV9152IDGKR ✓ פעילTLV9152IDGKR סקירה
An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and amplification. Op amps are categorized within the broader hierarchy of linear integrated circuits, which also includes comparators, voltage regulators, and instrumentation amplifiers. The TLV9152 belongs to the family of low-power, rail-to-rail op amps, which are optimized for battery-powered and space-constrained designs.
Key features of the TLV9152 include a gain-bandwidth product of 4.5 MHz, a slew rate of 2.5 V/µs, and a low quiescent current of 550 µA per channel. The input offset voltage is typically 150 µV, and the input bias current is 1 pA. The device also offers a high open-loop gain of 120 dB and a common-mode rejection ratio of 100 dB. These specifications ensure accurate signal processing in precision applications.
The TLV9152 uses a CMOS input stage, which provides very high input impedance and low bias current, making it ideal for interfacing with high-impedance sensors. The rail-to-rail input and output capability allows the amplifier to operate with the full supply range, maximizing dynamic range in single-supply systems. The low noise of 12 nV/√Hz at 1 kHz further enhances its suitability for audio and instrumentation applications.
Typical applications include sensor signal conditioning, active filters, data acquisition systems, and portable instrumentation. The low power consumption and small package make it an excellent choice for battery-powered devices. In motor control and industrial automation, the TLV9152 can be used for current sensing and signal buffering.
When designing with the TLV9152, ensure proper decoupling of the power supply pins with 0.1 µF ceramic capacitors placed close to the device. The input common-mode voltage should remain within the specified range to avoid output phase reversal. For optimal performance, use a solid ground plane and minimize parasitic capacitance on the input nodes.
חלופות תחליף ישיר עבור TLV9152IDGKR — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם TLV9152IDGKR (אותו גורם צורה וטביעת רגל) — שונים ב Gain Bandwidth Product, Supply Voltage Range.
OPA2172IDGKR
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
OPA2172IDGKT
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
TLV9152IDGKR דירוגים מרביים ומאפיינים חשמליים
| Number of Channels | 2 |
| Supply Voltage Range | 2.7 V to 16 V |
| Gain Bandwidth Product | 4.5 MHz |
| Slew Rate | 2.5 V/µs |
| Input Offset Voltage | 150 µV (typical) |
| Input Bias Current | 1 pA (typical) |
| Quiescent Current per Channel | 550 µA |
| סוג פלט | Push-Pull, Rail-to-Rail |
| Input Type | Rail-to-Rail |
| Voltage Noise Density | 12 nV/√Hz at 1 kHz |
| Open-Loop Gain | 120 dB |
| Common-Mode Rejection Ratio | 100 dB |
| טווח טמפרטורת פעולה | -40°C to 125°C |
| מארז | 8-VSSOP (DGK) |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של TLV9152IDGKR
| פין 1 | OUT A — Output of amplifier A |
| פין 2 | IN A- — Inverting input of amplifier A |
| פין 3 | IN A+ — Non-inverting input of amplifier A |
| פין 4 | V- — Negative supply (ground in single-supply) |
| פין 5 | IN B+ — Non-inverting input of amplifier B |
| פין 6 | IN B- — Inverting input of amplifier B |
| פין 7 | OUT B — Output of amplifier B |
| פין 8 | V+ — Positive supply |
יישומים טיפוסיים
TLV9152IDGKR מתאים עבור 6 יישוםs: Sensor Signal Conditioning, Active Filters, Data Acquisition Systems, Portable Instrumentation, Motor Control, Audio Signal Processing.
Sensor Signal Conditioning
The TLV9152IDGKR's low input bias current (1 pA) and low offset voltage (150 µV) make it ideal for amplifying signals from high-impedance sensors such as photodiodes and pH probes. Its rail-to-rail output allows direct interfacing with ADCs, and the low quiescent current extends battery life in portable instruments. The 4.5 MHz bandwidth supports dynamic signals, while the industrial temperature range ensures reliable operation in harsh environments.
מומלץ
Active Filters
With a gain-bandwidth product of 4.5 MHz, the TLV9152IDGKR can implement active filters for audio and communication systems. Its low noise (12 nV/√Hz) and high open-loop gain (120 dB) ensure accurate filter response. The rail-to-rail output maximizes signal swing, and the low power consumption makes it suitable for battery-operated devices. The device's stability with capacitive loads allows direct driving of filter capacitors.
מומלץ
Data Acquisition Systems
The TLV9152IDGKR is well-suited for data acquisition systems due to its low offset voltage and low noise, which preserve signal integrity. Its rail-to-rail input and output allow full-scale ADC drive, and the low quiescent current reduces thermal drift. The 4.5 MHz bandwidth supports multiplexed inputs, and the small VSSOP package saves board space. The device operates from a single 3.3 V or 5 V supply, simplifying power design.
מומלץ
Portable Instrumentation
The TLV9152IDGKR's low power consumption (550 µA per channel) and small package make it ideal for portable instruments like multimeters and handheld testers. Its wide supply range (2.7 V to 16 V) allows operation from a single lithium-ion cell or two AA batteries. The rail-to-rail output maximizes dynamic range, and the low offset voltage ensures accurate measurements. The device's robustness to ESD and industrial temperature range enhance reliability in field use.
מומלץ
Motor Control
In motor control applications, the TLV9152IDGKR can be used for current sensing and signal conditioning. Its high common-mode rejection ratio (100 dB) rejects noise from PWM signals, and the rail-to-rail input allows sensing at the supply rails. The 4.5 MHz bandwidth is sufficient for current loop feedback, and the low offset voltage ensures accurate torque control. The device's industrial temperature range makes it suitable for motor drives in factory automation.
מומלץ
Audio Signal Processing
The TLV9152IDGKR's low noise (12 nV/√Hz) and low distortion make it suitable for audio signal processing in portable devices. Its rail-to-rail output allows maximum headroom, and the low quiescent current extends battery life in headphones and hearing aids. The 4.5 MHz bandwidth covers the full audio spectrum with margin. The device's small package enables compact designs, and its low offset voltage prevents DC offset in audio paths.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור TLV9152IDGKR — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | TLV9152IDBVR | OPA2172IDGKR | AD8656ARZ |
|---|---|---|---|---|
| Package | VSSOP-8 (DGK) | SOT-23-8 (DBV) | VSSOP-8 (DGK) | SOIC-8 |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Supply Voltage Range | 2.7 V to 16 V | 2.7 V to 16 V | 4.5 V to 36 V | 2.7 V to 5.5 V |
| Gain Bandwidth Product | 4.5 MHz | 4.5 MHz | 10 MHz | 5 MHz |
| Quiescent Current per Channel | 550 µA | 550 µA | 750 µA | 1.7 mA |
| Input Offset Voltage | 150 µV | 150 µV | 100 µV | 50 µV |
| Rail-to-Rail Input/Output | Yes | Yes | Yes | Yes |
| Operating Temperature Range | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C |
מבדילים עיקריים
- Lower supply voltage range (2.7 V) compared to OPA2172 (לעומתOPA2172IDGKR)
- Lower quiescent current (550 µA) vs AD8656 (לעומתAD8656ARZ)
- Pin-compatible with OPA2172 in VSSOP package (לעומתOPA2172IDGKR)
הערות תכנון
For optimal performance, place a 0.1 µF ceramic capacitor close to each supply pin (V+ and V-) to decouple high-frequency noise. Additionally, a 10 µF tantalum capacitor can be used for bulk decoupling if the supply is noisy. Ensure the supply voltage does not exceed the absolute maximum rating of 18 V to prevent damage.
Use a solid ground plane under the op amp to minimize parasitic inductance and noise. Keep the input traces short and shielded to reduce capacitive coupling. For high-impedance inputs, a guard ring around the input pins can reduce leakage currents. Follow the layout guidelines in the datasheet for best performance.
Avoid exceeding the input common-mode voltage range, which can cause output phase reversal. The TLV9152 is rail-to-rail, but the input should not exceed the supply rails by more than 0.3 V. Also, ensure the output load capacitance is within the specified limits to maintain stability; if driving large capacitive loads, add a series resistor.
מידע על תאימות
RoHS compliant per TI product page. Not AEC-Q100 qualified.
