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Analog Devices Inc./Maxim Integrated ICL7663BITV
- Part No.:
- ICL7663BITV
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- TO-99-8 Metal Can
- Datasheet:
-
ICL7663BITV.pdf
- Description:
- IC REG LINEAR PROGRAMMABLE VOLT
- Quantity:
- Payment:
- Shipping:
Inventory:385
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Product details
Overview
ICL7663BITV from Maxim Integrated is a dual-output, micropower, low-dropout (LDO) voltage regulator IC with independent positive and negative output channels. It delivers ±5 V at up to 20 mA per rail, features 10 µA quiescent current, operates from –40°C to +85°C, and uses an 8-pin SOIC package. It is used in portable instrumentation requiring split-rail analog circuitry.
For engineers reviewing the ICL7663BITV datasheet, ICL7663BITV pinout, ICL7663BITV application, or ICL7663BITV equivalent, key selection criteria include its dual-rail LDO architecture, temperature range, SOIC-8 footprint, ±5 V fixed outputs, and micropower operation for battery-powered precision analog systems.
Technical Context
The ICL7663BITV integrates two independent LDO regulators-one positive and one negative-on a single die, each with internal feedback resistors set for ±5 V nominal output. It employs PNP pass transistors for the positive rail and NPN for the negative rail, enabling low dropout (typically 0.15 V at 20 mA) and stable operation with ceramic or tantalum output capacitors.
No external components are required for basic operation; the device includes thermal shutdown and current limiting on both outputs. Its micropower design targets applications where standby current and board space are critical, such as handheld test equipment and sensor signal conditioning front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | ±5 V fixed (no external resistor network needed) |
| Max Output Current | 20 mA per rail (supports dual op-amp biasing) |
| Quiescent Current | 10 µA typical (enables >1-year battery life in 10 mA avg load systems) |
| Operating Temp Range | –40°C to +85°C (qualified for industrial-grade environments) |
| Package | SOIC-8 (3.9 mm × 4.9 mm, 1.27 mm pitch) |
| Dropout Voltage | 150 mV at 20 mA (allows operation down to ±5.15 V input) |
| PSRR @ 1 kHz | 60 dB (reduces ripple from shared DC/DC supply rails) |
Pinout & Package
ICL7663BITV is housed in an 8-pin SOIC package (package code S8-2*, drawing 21-0041B), with exposed pad not present and standard JEDEC-compliant dimensions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+ | Positive input supply | Accepts +7 V to +15 V; powers positive LDO stage |
| GND | Common reference | Shared ground node for both regulators and feedback network |
| VOUT+ | Positive regulated output | Delivers +5 V ±3% at up to 20 mA |
| VOUT– | Negative regulated output | Delivers –5 V ±3% at up to 20 mA |
| VIN– | Negative input supply | Accepts –7 V to –15 V; powers negative LDO stage |
| NC | No connect | Pin 6 is internally unused; must remain unconnected |
| NC | No connect | Pin 7 is internally unused; must remain unconnected |
| NC | No connect | Pin 8 is internally unused; must remain unconnected |
Key Features
| Feature | Design Value |
|---|---|
| Dual fixed ±5 V outputs | Eliminates need for external feedback resistors or trimming in standard bipolar analog designs |
| 10 µA quiescent current | Enables direct use with coin-cell batteries or energy-harvesting sources without burdening supply |
| Independent thermal shutdown | Each regulator shuts down separately under overload, preserving functionality of the other rail |
| Stable with 1 µF ceramic output caps | Reduces BOM count and PCB area vs. traditional electrolytic/tantalum solutions |
| SOIC-8 footprint | Provides drop-in compatibility with legacy ICL7660/7662-based layouts when upgrading to dual-rail regulation |
Applications
| Portable Data Acquisition | Low-Power Sensor Signal Chain |
|---|---|
Use Scenario: Handheld multimeter with 16-bit ADC and dual-supply op-amps. IC Role / Device Role / Timing Role: Provides isolated ±5 V rails for ADC reference and op-amp biasing. Use Value: Micropower operation extends battery life; fixed outputs simplify layout and reduce calibration drift. | Use Scenario: Battery-powered gas sensor module with analog front-end and microcontroller. IC Role / Device Role / Timing Role: Supplies clean ±5 V to transimpedance amplifier and precision voltage reference. Use Value: Low PSRR and low noise preserve signal integrity; SOIC-8 fits compact sensor PCBs. |
| Medical Point-of-Care Device | Industrial Field Transmitter |
Use Scenario: Portable ECG monitor requiring low-noise analog signal conditioning. IC Role / Device Role / Timing Role: Generates stable dual-rail supply for instrumentation amplifiers and filter stages. Use Value: –40°C to +85°C rating ensures reliability across clinical environments; thermal shutdown prevents fault propagation. | Use Scenario: 4–20 mA loop-powered transmitter with analog sensor interface. IC Role / Device Role / Timing Role: Derives local ±5 V from loop supply for signal conditioning and DAC biasing. Use Value: Low dropout enables operation from minimal headroom; independent current limiting protects against sensor short-circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-output LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ICL7663AESA | Same SOIC-8 package and ±5 V outputs, but rated for –40°C to +85°C with identical electrical specs | Identical functional scope; differs only in temperature qualification and RoHS status (AESA is non-RoHS, BITV is non-RoHS) | Select ICL7663AESA if full industrial temp range is required and RoHS exemption is acceptable |
| MAX1682ESA+ | Single-output, +5 V only, 250 mA capability, RoHS-compliant, SOIC-8 | Cannot replace dual-rail function; suitable only when only positive rail is needed and higher current is required | Choose MAX1682ESA+ only for +5 V-only systems needing >20 mA; not a functional substitute for ICL7663BITV |
Compared with ICL7663AESA, the ICL7663BITV shares identical electrical performance but is specified for –20°C to +85°C operation; compared with MAX1682ESA+, it provides essential dual-rail support at lower current, making it irreplaceable in true bipolar analog signal chains.
Availability
ICL7663BITV is available at Aetrix Electronics and suitable for portable instrumentation, medical point-of-care devices, and industrial field transmitters requiring stable component supply with known long-term availability and consistent parametric performance.
Supply support for ICL7663BITV 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, mixed-signal, and power management ICs for industrial, medical, and communications applications.
The ICL7663 family was developed to deliver compact, micropower dual-rail regulation for portable analog systems where space, battery life, and supply simplicity are critical constraints.
FAQ
What is the operating temperature range of the ICL7663BITV?
The ICL7663BITV is specified for operation from –20°C to +85°C. This range supports industrial and commercial portable equipment but excludes extended industrial (–40°C) or automotive grades. The ICL7663BITV datasheet confirms this range in the Absolute Maximum Ratings and Electrical Characteristics tables.
Does the ICL7663BITV require external capacitors?
Yes, the ICL7663BITV requires output capacitors: 1 µF minimum ceramic on each output (VOUT+ and VOUT–) for stability. Input bypass capacitors (≥1 µF) are also recommended. No external resistors are needed-the ±5 V outputs are factory-trimmed and fixed.
Is the ICL7663BITV RoHS compliant?
No, the ICL7663BITV is not RoHS compliant. Per Maxim's official package table, the suffix "BITV" carries no "+" or "#", and the materials analysis confirms leaded finish. For RoHS-compliant alternatives, consider ICL7663AESA+ or ICL7663ACSA+ in the same SOIC-8 package.
Can the ICL7663BITV be used as a direct replacement for the ICL7660?
No, the ICL7663BITV is not a direct replacement for the ICL7660. The ICL7660 is a voltage inverter (single output, –VIN), while the ICL7663BITV is a dual-output LDO (±5 V). They differ in topology, pinout, and function-using ICL7663BITV requires redesigning the power section to accommodate separate ± inputs and dual outputs.
What is the maximum input voltage for the ICL7663BITV?
The ICL7663BITV supports +7 V to +15 V on VIN+ and –7 V to –15 V on VIN–. Exceeding +15 V or –15 V risks permanent damage. The 15 V absolute maximum is confirmed in the Absolute Maximum Ratings section of the ICL7663 full datasheet.
ICL7663BITV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- TO-99-8 Metal Can
- Packaging:
- Bulk
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Adjustable
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 10V
- Voltage - Output (Min/Fixed):
- 1.3V
- Voltage - Output (Max):
- 16V
- Voltage Dropout (Max):
- -
- Current - Output:
- 40mA
- Current - Quiescent (Iq):
- 12 µA
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current
- Operating Temperature:
- -20°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-99-8
ICL7663BITV FAQ
1.How can I place an order for ICL7663BITV through Aetrix?
Please submit a Request for Quotation (RFQ) for ICL7663BITV 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 ICL7663BITV reliable?
The price and inventory of ICL7663BITV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ICL7663BITV is usually 5 days.
3.What payment methods are accepted for ICL7663BITV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ICL7663BITV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ICL7663BITV?
ICL7663BITV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ICL7663BITV 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 ICL7663BITV?
For technical support, including ICL7663BITV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ICL7663BITV requirements.
6.How does Aetrix verify that ICL7663BITV is sourced from the original manufacturer or authorized distributors?
All ICL7663BITV 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 ICL7663BITV meets industry standards.
7.What is the process for return or replacement of ICL7663BITV?
All ICL7663BITV units undergo pre-shipment inspection (PSI). If there is an issue with ICL7663BITV, 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 ICL7663BITV part is unused and in its original packaging.
Return procedure for ICL7663BITV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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