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Analog Devices Inc. LTC6360CMS8E#TRPBF
- Part No.:
- LTC6360CMS8E#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Special Purpose Amplifiers
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC6360CMS8E#TRPBF.pdf
- Description:
- IC ADC DRIVER 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,104
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Product details
Overview
LTC6360CMS8E#TRPBF from Analog Devices (formerly Linear Technology) is a precision, low-noise, single-ended SAR ADC driver amplifier with true zero-output capability on a single 5V supply. It delivers 2.3nV/√Hz input voltage noise density, 110dB SNR over 3MHz bandwidth, and settles to 16-bit accuracy in 150ns for a 4V step - enabling high-fidelity signal conditioning for precision data acquisition systems.
For engineers reviewing the LTC6360CMS8E#TRPBF datasheet, LTC6360CMS8E#TRPBF pinout, LTC6360CMS8E#TRPBF application, or LTC6360CMS8E#TRPBF equivalent, key selection criteria include its integrated charge pump enabling true 0V output swing, low distortion (HD2 = –103dBc / HD3 = –109dBc at 40kHz), and MS8E package compatibility with space-constrained PCB layouts.
Technical Context
The LTC6360CMS8E#TRPBF employs a dual-input-stage architecture (NPN/PNP parallel differential pairs) with precision two-point offset trimming to maintain stable DC performance across 0V–4.25V input common-mode range. Its on-chip low-noise charge pump generates a regulated –0.6V bias at CPO, enabling the output stage to swing to true zero without external negative rails.
This architecture supports fast settling (150ns to ±1LSB at 16-bit), high linearity (INL ≤ 40µV), and robust harmonic suppression - all while operating from a single 5V supply with total supply current of 17.5mA typical and 350µA in shutdown mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Noise Density | 2.3nV/√Hz at 1MHz - enables 110dB SNR in 3MHz bandwidth for high-resolution SAR ADCs |
| Settling Time (16-bit) | 150ns for 4V step - ensures accurate sampling in high-speed data acquisition |
| Harmonic Distortion | HD2 = –103dBc, HD3 = –109dBc at 4VP-P, 40kHz - preserves signal integrity in demanding analog front-ends |
| Input Offset Voltage | 250µV max (MS8E package) - minimizes DC error in precision measurement paths |
| Supply Current (Active) | 17.5mA typical (ICC + IDD) - balances performance and power efficiency for portable and industrial systems |
| Output Swing Range | –0.48V to 4.91V on 5V supply - supports true-zero operation critical for unipolar sensor interfaces |
| Charge Pump Output (CPO) | –0.6V typical, 3.5mA sink capability - eliminates need for external negative rail generation |
Pinout & Package
Package: 8-Lead Plastic MSOP with exposed pad (MS8E), 3mm × 3mm footprint, operating temperature range 0°C to 70°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| –IN (Pin 1) | Inverting amplifier input | Differential input node; requires matched impedance for optimal CMRR and distortion performance |
| OUT (Pin 2) | Amplifier output | Drives RC filter (e.g., 10Ω + 330pF) directly into SAR ADC input; supports true-zero swing |
| VCC (Pin 3) | Analog power supply | Primary 5V analog rail; decoupling with 0.1µF + 10µF recommended near pin |
| VDD (Pin 4) | Digital power supply | Connected to VCC; powers internal logic and charge pump control circuitry |
| CPO (Pin 5) | Charge pump output | Provides –0.6V bias; must connect to CPI via low-inductance trace; external 0.1µF to GND reduces ripple |
| CPI (Pin 6) | Charge pump input | Bias node for output stage; connects directly to CPO; bypass capacitor critical for low-noise operation |
| SHDN (Pin 7) | Shutdown control | Logic-high (>2.0V) enables operation; logic-low (<0.8V) reduces total current to ≤350µA |
| +IN (Pin 8) | Noninverting amplifier input | High-impedance input (940kΩ common-mode); accepts 0V–4.25V common-mode range |
| GND (Exposed Pad) | Ground reference | Thermal and electrical ground; must be soldered to solid PCB ground plane for θJA = 40°C/W |
Key Features
| Feature | Design Value |
|---|---|
| True zero-output swing on single 5V supply | Enables direct interface to unipolar SAR ADCs (e.g., 0–4.096V full-scale) without level-shifting or dual supplies |
| Integrated low-noise charge pump | Generates –0.6V bias internally; eliminates external inverter IC, reducing BOM count, EMI, and layout area |
| 150ns 16-bit settling time | Supports ≥6.7 MSPS sampling rates with minimal dead time between conversions |
| 110dB SNR over 3MHz bandwidth | Meets dynamic range requirements for 18-bit effective resolution in precision instrumentation |
| Low distortion at high output amplitude | HD2/HD3 ≤ –103/–109dBc at 4VP-P, 40kHz - maintains spectral purity for FFT-based analysis applications |
| MS8E package with exposed pad | 3mm × 3mm footprint and 40°C/W thermal resistance enable compact, thermally robust designs |
Applications
| Industrial Process Monitoring | Medical Instrumentation |
|---|---|
|
Use Scenario: High-accuracy voltage/current measurement of 4–20mA loop sensors and RTD bridges in PLC analog input modules. IC Role / Device Role / Timing Role: Precision buffer and level-shifter driving 16-/18-bit SAR ADCs (e.g., AD7980, LTC2378) with true-zero output matching unipolar ADC reference ranges. Use Value: Eliminates external negative rail generation, reducing system cost and board area while maintaining 110dB SNR and <40µV INL over temperature. |
Use Scenario: Front-end amplification for ECG, EEG, and pressure transducer signals prior to digitization in portable diagnostic devices. IC Role / Device Role / Timing Role: Low-noise, low-distortion driver ensuring clean signal capture during high-speed sampling (≥1MSPS) with minimal added noise floor. Use Value: 2.3nV/√Hz noise density and –109dBc HD3 preserve microvolt-level biological signal fidelity without requiring post-acquisition digital correction. |
| Test & Measurement Equipment | Automotive Battery Management Systems |
|
Use Scenario: Signal conditioning in benchtop DMMs and oscilloscope front-ends where wide dynamic range and fast settling are essential. IC Role / Device Role / Timing Role: Unity-gain buffer driving high-resolution ADCs with 150ns settling to ±1LSB, supporting rapid auto-ranging and multi-function measurement modes. Use Value: Fast turn-on (1µs) and turn-off (0.3µs) times enable precise timing control during multiplexed channel scanning, minimizing inter-channel crosstalk. |
Use Scenario: Cell voltage monitoring in high-voltage battery packs (e.g., 400–800V EV systems) using isolated ADC interfaces. IC Role / Device Role / Timing Role: Isolated-side signal conditioner providing true-zero output compatible with isolated SAR ADC references (e.g., AMC1306). Use Value: Charge pump–enabled 0V output swing simplifies level translation across isolation barriers, improving measurement accuracy at low cell voltages (<50mV). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SAR ADC driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4897-1ARMZ-R7 | No integrated charge pump; output swing limited to ~30mV above GND on 5V supply | Requires external level-shifting or dual supplies for true-zero operation | Select when ultra-low power (1.2mA) and 1GHz GBW are prioritized over true-zero output |
| THS4561IRGET | Higher noise (4.3nV/√Hz); no charge pump; differential output architecture | Needs external ADC driver stage or differential-input ADC; larger solution size | Select when driving high-speed differential-input SAR ADCs (e.g., ADS8900) and >100MHz bandwidth is required |
Compared with ADA4897-1ARMZ-R7 and THS4561IRGET, the LTC6360CMS8E#TRPBF uniquely integrates a low-noise charge pump to achieve true-zero output on a single 5V rail - eliminating external components while delivering superior SNR (110dB vs ≤105dB) and lower distortion at 40kHz, making it optimal for compact, high-precision unipolar ADC interfaces.
Availability
LTC6360CMS8E#TRPBF is available at Aetrix Electronics and suitable for industrial process monitoring, medical instrumentation, test & measurement equipment, and automotive battery management systems requiring stable component supply and guaranteed 0°C to 70°C operation.
Supply support for LTC6360CMS8E#TRPBF 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
Analog Devices, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC6360CMS8E#TRPBF belongs to ADI's precision amplifier product line, designed specifically to solve the challenge of driving high-resolution SAR ADCs from single-supply systems while maintaining true-zero output, low noise, and fast settling - targeting data acquisition, instrumentation, and sensor interface applications.
FAQ
What is the maximum output voltage swing of the LTC6360CMS8E#TRPBF on a 5V supply?
The LTC6360CMS8E#TRPBF delivers an output voltage swing from –0.48V to 4.91V under no-load conditions on a 5V supply. This true-zero capability is enabled by its integrated charge pump, which biases the output stage to allow conduction below ground - a key differentiator versus standard rail-to-rail amplifiers that typically cannot swing below ~30mV.
Does the LTC6360CMS8E#TRPBF require external capacitors for the charge pump?
Yes, the LTC6360CMS8E#TRPBF requires a 0.1µF ceramic capacitor from CPI to GND for stable, low-ripple operation. The CPO pin provides the charge pump output (–0.6V typical), and connecting CPI to CPO through this capacitor filters switching ripple. Without it, output ripple increases significantly - up to 11.5µVRMS - degrading SNR in sensitive ADC applications.
Can the LTC6360CMS8E#TRPBF drive capacitive loads directly?
The LTC6360CMS8E#TRPBF is decompensated for optimal performance with a 10Ω series resistor and 330pF shunt capacitor (RC filter) to ground - the standard configuration for driving SAR ADC inputs. Driving large capacitive loads (>1000pF) directly risks instability; external RC compensation or buffer stages are required per the datasheet's pole-zero design guidelines.
What is the shutdown current consumption of the LTC6360CMS8E#TRPBF?
In shutdown mode (SHDN pin ≤ 0.8V), the LTC6360CMS8E#TRPBF draws a total supply current of ≤350µA (190µA typical). This includes both VCC and VDD rails, making it suitable for battery-powered systems requiring low-quiescent-power sleep states while retaining fast wake-up (turn-on time = 1µs).
How does the LTC6360CMS8E#TRPBF achieve low distortion at high output amplitudes?
The LTC6360CMS8E#TRPBF achieves HD2 = –103dBc and HD3 = –109dBc at 4VP-P, 40kHz through a combination of dual NPN/PNP input stage handover with constant transconductance, precision two-point offset trimming, and optimized output stage biasing via the integrated charge pump - all contributing to exceptional linearity across its full output swing range.
LTC6360CMS8E#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Type:
- ADC Driver
- Applications:
- Data Acquisition
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-MSOP-EP
LTC6360CMS8E#TRPBF FAQ
1.How can I place an order for LTC6360CMS8E#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6360CMS8E#TRPBF 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 LTC6360CMS8E#TRPBF reliable?
The price and inventory of LTC6360CMS8E#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6360CMS8E#TRPBF is usually 5 days.
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LTC6360CMS8E#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6360CMS8E#TRPBF 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 LTC6360CMS8E#TRPBF?
For technical support, including LTC6360CMS8E#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6360CMS8E#TRPBF requirements.
6.How does Aetrix verify that LTC6360CMS8E#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6360CMS8E#TRPBF 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 LTC6360CMS8E#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6360CMS8E#TRPBF?
All LTC6360CMS8E#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6360CMS8E#TRPBF, 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 LTC6360CMS8E#TRPBF part is unused and in its original packaging.
Return procedure for LTC6360CMS8E#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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