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Analog Devices Inc./Maxim Integrated MAX6195BESA+
- Part No.:
- MAX6195BESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX6195BESA+.pdf
- Description:
- IC VREF SERIES 0.1% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:278
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Product details
Overview
MAX6195BESA+ from Maxim Integrated is a precision, micropower, low-dropout series-mode bandgap voltage reference delivering 5.000V output with ±2mV initial accuracy, 5ppm/°C max temperature coefficient, and 35µA max quiescent current - ideal for high-accuracy ADC/DAC biasing in battery-powered handheld instruments.
For engineers reviewing the MAX6195BESA+ datasheet, MAX6195BESA+ pinout, MAX6195BESA+ application, or MAX6195BESA+ equivalent, this page provides verified specifications, SO-8 package layout, load-regulation behavior at 500µA, dropout performance down to 100mV, and real-world settling time data for embedded analog signal-chain design.
Technical Context
The MAX6195BESA+ employs a proprietary curvature-correction circuit and laser-trimmed thin-film resistors to achieve <5ppm/°C temperature coefficient and ±2mV (±0.04%) initial accuracy over –40°C to +85°C. It operates as a series-mode reference capable of sourcing and sinking up to ±500µA while maintaining regulation.
Internally compensated for stability with capacitive loads up to 2.2nF, it achieves 220µs turn-on settling time to 0.1% and exhibits 0.17µV/µA load regulation and 25µV/V line regulation - enabling direct use in precision data acquisition without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.000V ±2mV (guaranteed initial tolerance supports 16-bit ADC reference accuracy) |
| Temp Coefficient | ≤5ppm/°C (max drift ≤250µV over full –40°C to +85°C range) |
| Quiescent Current | ≤35µA (enables >1-year operation on coin-cell batteries in sleep mode) |
| Dropout Voltage | 100mV at 500µA load (supports regulation from 5.1V supply in 5V systems) |
| Load Regulation | 0.17µV/µA (output shift <85µV across full ±500µA load range) |
| Line Regulation | 25µV/V (output change <250µV over 5.1V–12.6V input range) |
| Capacitive Load Stability | 0–2.2nF (no minimum COUT required; eliminates board-space penalty) |
Pinout & Package
MAX6195BESA+ is housed in an 8-pin SO (Small Outline) package, RoHS-compliant and rated for –40°C to +85°C operation. Pin 1 is OUT, Pin 2 is IN, Pin 4 is GND; Pins 1, 3, 5, 7, and 8 are No Connect (N.C.).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 7, 8 | N.C. | No internal connection - must remain unconnected per datasheet; floating or tied to GND/IN violates specification |
| 2 | IN | Supply input; requires ≥5.1V for 500µA load (VOUT + 0.1V min), up to 12.6V absolute max |
| 4 | GND | Analog ground reference; must be low-impedance path to system ground plane |
| 6 | OUT | Precision 5.000V reference output; capable of sourcing/sinking ±500µA with <100mV dropout |
Key Features
| Feature | Design Value |
|---|---|
| Curvature-corrected bandgap core | Enables ≤5ppm/°C TC without external trimming - reduces calibration cost in production test |
| Laser-trimmed thin-film resistors | Guarantees ±2mV initial accuracy - eliminates need for post-package adjustment in high-volume systems |
| Series-mode architecture | Draws only 35µA quiescent current regardless of load - improves battery life vs. shunt references |
| Internal compensation | Stable with 0–2.2nF output capacitance - removes mandatory capacitor, saving PCB area and BOM cost |
| ±500µA sink/source capability | Drives ADC reference inputs, op-amp bias networks, and DAC feedback directly - no buffer required |
Applications
| Hand-Held Instruments | Analog-to-Digital Converters |
|---|---|
Use Scenario: Portable multimeter requiring stable 5V reference for 16-bit SAR ADC across –10°C to +50°C ambient. IC Role / Device Role / Timing Role: Primary voltage reference for ADC VREF input, directly sourcing 200µA bias current. Use Value: 5ppm/°C TC ensures <±80µV drift over operating range - maintains DC accuracy without recalibration. |
Use Scenario: Isolated industrial data logger using 5V-referenced 16-bit sigma-delta ADC with 10SPS sampling. IC Role / Device Role / Timing Role: Precision reference source for ADC's internal conversion core and external gain-setting resistors. Use Value: 0.17µV/µA load regulation prevents code-dependent offset shifts during varying ADC input impedance cycles. |
| Industrial Process Control | Precision 5V Systems |
Use Scenario: Loop-powered 4–20mA transmitter with onboard microcontroller and analog front-end. IC Role / Device Role / Timing Role: Stable 5.000V reference for DAC generating 4–20mA setpoint and sensor signal conditioning. Use Value: 100mV dropout enables operation from 5.1V rail derived from low-dropout regulator - minimizes power loss in energy-constrained loop. |
Use Scenario: FPGA-based test equipment requiring clean, low-noise 5V reference for mixed-signal I/O banks. IC Role / Device Role / Timing Role: Low-noise voltage reference for LVDS/PCIe reference clocks and analog monitoring circuits. Use Value: 240µVRMS (0.1–10Hz) noise and 72dB PSRR ensure minimal jitter injection into timing-sensitive subsystems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR4550BRZ | 5.000V output, ±1mV initial accuracy, 3ppm/°C TC, 950µA quiescent current | Higher power consumption limits use in battery-operated devices; superior TC suits metrology-grade systems | Select ADR4550BRZ when ultra-low TC outweighs quiescent current budget; avoid in >10µA average-power designs |
| REF5050AIDR | 5.000V output, ±0.5mV initial accuracy, 3ppm/°C TC, 1mA quiescent current, 200µA max load | Lower max load current and higher supply current restrict use in high-current reference buffers or low-power systems | Choose REF5050AIDR for highest initial accuracy where load ≤200µA and supply headroom permits 1mA draw |
Compared with ADR4550BRZ and REF5050AIDR, MAX6195BESA+ uniquely balances ±2mV accuracy, 5ppm/°C TC, and 35µA supply current - making it the only option among the three viable for long-life portable instrumentation with 500µA reference load demands.
Availability
MAX6195BESA+ is available at Aetrix Electronics and suitable for hand-held instruments, analog-to-digital converters, and industrial process control systems requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for MAX6195BESA+ 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
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for demanding industrial, medical, and communications applications.
The MAX6190–MAX6195/MAX6198 family was engineered specifically for micropower, high-accuracy voltage referencing in space- and energy-constrained systems - emphasizing low dropout, ultra-stable TC, and minimal external components.
FAQ
What is the maximum load current supported by MAX6195BESA+ while maintaining regulation?
MAX6195BESA+ guarantees regulation for sourcing and sinking currents up to ±500µA. At 500µA load, dropout voltage remains ≤100mV, and load regulation is specified at 0.17µV/µA - meaning total output shift stays within ±85µV. Exceeding ±500µA may cause output deviation beyond datasheet limits or thermal stress.
Does MAX6195BESA+ require an output capacitor for stability?
No, MAX6195BESA+ is internally compensated and stable with output capacitance ranging from 0 to 2.2nF. Unlike many references, it does not require a minimum COUT for phase margin - eliminating mandatory capacitors saves PCB area and BOM cost. Adding up to 2.2nF can improve transient response but is optional.
What is the supply voltage range for reliable operation of MAX6195BESA+?
MAX6195BESA+ operates reliably with input voltage from (VOUT + 0.2V) = 5.2V minimum up to 12.6V maximum. For 500µA load, VIN must be ≥5.1V to maintain ≤0.2% output error. Absolute maximum rating is 13.5V on IN; exceeding this risks permanent damage.
How does temperature hysteresis affect MAX6195BESA+ in cycling environments?
MAX6195BESA+ exhibits ≤75ppm temperature hysteresis - defined as output voltage change at +25°C before and after full-range thermal cycling (–40°C to +85°C). This equates to ≤375µV shift for the 5.000V output, critical for applications requiring repeatable calibration after environmental exposure.
Can MAX6195BESA+ be used in both sourcing and sinking configurations?
Yes, MAX6195BESA+ is fully bidirectional: it sources current when driving high-impedance ADC VREF pins and sinks current when used in active filter bias networks or op-amp reference legs. Its ±500µA capability and symmetric load regulation (0.17µV/µA) make it suitable for either role without performance degradation.
MAX6195BESA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 500 µA
- Tolerance:
- ±0.1%
- Temperature Coefficient:
- 10ppm/°C
- Noise - 0.1Hz to 10Hz:
- 120µVp-p
- Noise - 10Hz to 10kHz:
- 240µVrms
- Voltage - Input:
- 5.2V ~ 12.6V
- Current - Supply:
- 35µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX6195BESA+ FAQ
1.How can I place an order for MAX6195BESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6195BESA+ 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 MAX6195BESA+ reliable?
The price and inventory of MAX6195BESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6195BESA+ is usually 5 days.
3.What payment methods are accepted for MAX6195BESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6195BESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6195BESA+?
MAX6195BESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6195BESA+ 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 MAX6195BESA+?
For technical support, including MAX6195BESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6195BESA+ requirements.
6.How does Aetrix verify that MAX6195BESA+ is sourced from the original manufacturer or authorized distributors?
All MAX6195BESA+ 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 MAX6195BESA+ meets industry standards.
7.What is the process for return or replacement of MAX6195BESA+?
All MAX6195BESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6195BESA+, 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 MAX6195BESA+ part is unused and in its original packaging.
Return procedure for MAX6195BESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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