TLV2888IDGKR-Q1 - Dual 36V 14MHz Zero-Drift Op Amp | TI
MPN: TLV2888IDGKR-Q1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.2 | $3.20 |
| 10 | $2.88 | $28.80 |
| 100 | $2.45 | $245.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.85 | $1,850.00 |
Drop-in alternatives for TLV2888IDGKR-Q1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TLV2888DGKR
✅ Drop-In📋 Reference alternative (not in catalog)
TLV2452AIDGKR-Q1
⚡ Same Package✓ In Stock
$0.55 / Unit
View Datasheet →TLV9152IDGKR
⚡ Same Package✓ In Stock
$0.38 / Unit
View Datasheet →MCP6V02-E/MS
⚡ Same Package📋 Reference alternative (not in catalog)
TLV2888IDGKR-Q1 Maximum Ratings & Electrical Characteristics
| Amplifier Channels | 2 (Dual) |
| Supply Voltage Range | up to 36 V |
| Gain Bandwidth Product | 14 MHz |
| Input Offset Voltage (Max) | 15 uV |
| Offset Voltage Drift (Max) | 0.05 uV/C |
| Amplifier Type | Chopper (Zero-Drift), Mux-Friendly CMOS |
| Output Type | Rail-to-Rail |
| Input Bias Current | [DATA_NEEDED: input bias current] |
| Slew Rate | [DATA_NEEDED: slew rate] |
| Noise Density | [DATA_NEEDED: voltage noise density] |
| Settling Time | [DATA_NEEDED: settling time] |
| Operating Temperature | -40C to +125C (I grade, AEC-Q100 Q1) |
| Package | VSSOP-8 (DGK) |
| Mounting Type | Surface Mount |
| Automotive Qualification | AEC-Q100 (Q1) |
| RoHS Status | Compliant |
TLV2888IDGKR-Q1 Pin Configuration
| Pin 1 | OUT A — Channel A output |
| Pin 2 | IN A- — Channel A inverting input |
| Pin 3 | IN A+ — Channel A non-inverting input |
| Pin 4 | V- — Negative supply / ground |
| Pin 5 | IN B+ — Channel B non-inverting input |
| Pin 6 | IN B- — Channel B inverting input |
| Pin 7 | OUT B — Channel B output |
| Pin 8 | V+ — Positive supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TLV2888IDGKR-Q1 is suitable for 6 applications: Automotive Battery Management Systems, Multiplexed Sensor Front Ends, Precision Current Sensing, Industrial Process Control Signal Conditioning, Test and Measurement Instrumentation, Automotive Position and Current Sensor Interfaces.
Automotive Battery Management Systems
The TLV2888IDGKR-Q1 fits BMS cell-monitoring front ends because its 15uV max offset and 0.05uV/C max drift preserve measurement accuracy across the -40C to +125C AEC-Q100 range, while the 36V rating tolerates elevated automotive rail conditions. Placed as a buffer or gain stage between cell-voltage taps and the monitoring ADC, its mux-friendly input handles channel-switching transients, and the 14MHz GBW settles quickly after each mux event - a quantified benefit over conventional op amps that can take microseconds to settle zero-drift errors.
Recommended
Multiplexed Sensor Front Ends
In systems where an analog multiplexer shares one ADC across many sensors, the TLV2888IDGKR-Q1's mux-friendly input stage is purpose-built: it resists offset disturbance from mux charge injection and settles fast thanks to 14MHz GBW and a very high slew rate. The 15uV offset max ensures each channel is measured with equal precision regardless of switching history. Used as a post-mux buffer before the ADC, it prevents signal smearing; the trade-off is zero-drift chopping ripple that should be filtered per TI datasheet layout guidance.
Recommended
Precision Current Sensing
Amplifying small shunt voltages demands microvolt-level offset: the TLV2888IDGKR-Q1's 15uV max offset corresponds to only 1.5mV equivalent error across a 100-ohm transimpedance stage, and near-zero drift keeps calibration valid over the full automotive temperature span. Its rail-to-rail I/O maximizes usable dynamic range on single 5V or 24V rails. As a gain stage following a shunt, the wide 14MHz bandwidth also captures fast load transients that slower precision amplifiers miss, supporting inrush and fault detection.
Recommended
Industrial Process Control Signal Conditioning
For 4-20mA loop receivers and bridge-transducer conditioning, the TLV2888's zero-drift core removes 1/f noise and offset, so a millivolt-level sensor output can be amplified with high gain without DC error dominating. The 36V supply rating directly accommodates 24V industrial rails without pre-regulation, simplifying the analog front end. Rail-to-rail input and output preserve headroom on single-supply designs; designers should account for the 14MHz bandwidth with adequate feedback-network stability measures such as small feedback capacitors.
Recommended
Test and Measurement Instrumentation
Bench instruments and data-acquisition modules benefit from the TLV2888's combination of microvolt DC accuracy and 14MHz AC bandwidth - a rare pairing, since most precision amplifiers are slow and most fast amplifiers drift. The dual channels allow differential front-end topologies in one VSSOP-8 footprint, saving board area. Fast settling after overdrive or mux switching makes it suitable for autoranging scopes and DAQ scanners; the chopping ripple must be assessed against the system noise floor in the highest-resolution modes.
Recommended
Automotive Position and Current Sensor Interfaces
Resistive and Hall-based position sensors in electric power steering and throttle bodies require drift-free amplification over extreme temperatures; the TLV2888IDGKR-Q1's 0.05uV/C max drift and AEC-Q100 qualification directly address this. The rail-to-rail output uses the full ADC input range for maximum resolution of the sensor transfer curve. Its mux-friendly input also suits multi-sensor scanned architectures, and the 36V rating protects against transient rail excursions common in 12V automotive networks.
Recommended
Recommended Products Summary
Engineering reference data for TLV2888IDGKR-Q1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TLV2888DGKR | TLV2452AIDGKR-Q1 | MCP6V02-E/MS |
|---|---|---|---|---|
| Package | VSSOP-8 (DGK) | VSSOP-8 (DGK) - same | VSSOP-8 (DGK) - same | MSOP-8 - footprint-verify |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Microchip Technology |
| Gain Bandwidth | 14 MHz | 14 MHz | ~3 MHz | ~2 MHz |
| Max Offset Voltage | 15 uV | 15 uV | [DATA_NEEDED] | [DATA_NEEDED] |
| Offset Drift | 0.05 uV/C (max) | 0.05 uV/C (max) | [DATA_NEEDED] | [DATA_NEEDED] |
| Supply Voltage Max | 36 V | 36 V | [DATA_NEEDED] | ~28 V |
| Automotive AEC-Q100 | Yes (Q1) | No | Yes (Q1) | No |
| Architecture | Zero-drift (chopper), mux-friendly | Zero-drift (chopper), mux-friendly | Conventional CMOS, low power | Zero-drift (chopper) |
Key Differentiators
- 14MHz GBW with microvolt offset in one part (vs TLV2452AIDGKR-Q1)
- Mux-friendly input stage (vs MCP6V02-E/MS)
- AEC-Q100 automotive qualification at 36V (vs TLV2888DGKR)
Design Notes
Zero-drift amplifiers generate internal chopping energy that can couple into high-impedance nodes. Place the TLV2888IDGKR-Q1 close to the mux/ADC, keep input traces short and guarded, and follow TI datasheet layout recommendations: solid ground plane under the device, and a 0.1uF ceramic decoupling capacitor within 2mm of the V+ pin with an additional 1uF bulk capacitor nearby.
When driving a switched-capacitor SAR ADC, the 14MHz GBW alone does not guarantee settling - check the datasheet settling-time curves against the ADC acquisition window and add an RC charge-kickback filter if needed. Do not exceed the 36V absolute maximum supply including transients; on 24V industrial rails use a series resistor and clamp if surge is expected.
In multiplexed front ends, insert the amplifier after the mux with gain set so the output swing stays within the linear region across all sensor channels. The mux-friendly input tolerates switching charge injection, but source impedance above a few kilo-ohms still increases settling time; verify per-channel settle with the highest-impedance source in the system.
Compliance Information
AEC-Q100 qualified per -Q1 suffix per TI product page. RoHS/lead-free per standard TI ordering data; other fields not stated in provided data.
