AD7512DIKNZ Analog Devices Integrated Circuit (Dual-In-Line Packages) In Stock
Analog Devices AD7512DIKNZ is a single-channel SPDT analog switch IC in a 14-pin DIP package with overvoltage protection. It operates from ±15 V dual supplies and features a low on-state resistance match of 0.75 Ω, making it suitable for precision signal routing in audio, industrial instrumentation, and data acquisition systems requiring low-distortion analog switching.
- Manufacturer
- Analog Devices
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- AD7512DIKNZ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel SPDT analog switch with overvoltage protection for robust signal routing in ±15 V supply systems
- Ultra-low on-state resistance match of 0.75 Ω minimizes channel-to-channel offset in precision differential measurement paths
- Dual ±15 V supply operation enables full audio and industrial analog signal range switching without signal clipping
- 14-pin DIP (PDIP-T14) package offers easy through-hole prototyping and breadboard evaluation for analog switch designs
- RoHS-compliant (Pb-free, JESD-609 e3) with overvoltage protection safeguarding inputs from transient voltage spikes
Applications
The AD7512DIKNZ is used in precision data acquisition front-ends, audio signal routing matrices, and laboratory instrumentation where a low on-resistance SPDT analog switch is needed across a ±15 V signal range. Its overvoltage protection feature protects sensitive measurement circuitry in industrial field instruments and automated test equipment where input transients can exceed supply rails. The 14-pin DIP package also makes it a practical choice for prototype boards, evaluation systems, and legacy industrial designs requiring through-hole analog switch replacements.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | OVERVOLTAGE PROTECTION |
| Analog IC - Other Type | SPDT |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e3 |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Channels | 1 |
| Number of Functions | 2 |
| On-state Resistance Match-Nom | 0.75Ω |
| On-state Resistance-Max (Ron) | 100Ω |
| Output | SEPARATE OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Signal Current-Max | 0.05A |
| Supply Current-Max (Isup) | 0.8mA |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| ## AD7512DIKNZ Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for AD7512DIKNZ:
suggested
suggested
Frequently Asked Questions
What supply voltage does the AD7512DIKNZ require, and what analog signal range can it switch?
The AD7512DIKNZ operates from a ±15 V dual supply, which allows it to switch analog signals spanning the full ±15 V range without clipping or distortion. This dual-supply configuration is standard in precision instrumentation amplifiers, audio mixing consoles, and industrial signal conditioning circuits that process bipolar signals ranging from -15 V to +15 V using a single SPDT switching channel per device.
How does the 0.75 Ω on-state resistance match of the AD7512DIKNZ affect measurement accuracy?
An on-state resistance match of 0.75 Ω between the SPDT switch's two output paths means channel-to-channel voltage error at a given current is kept very small, which is critical for differential measurement applications where both paths must present nearly identical impedance. In a 16-bit data acquisition system sourcing 1 mA through the switch, a 0.75 Ω match error contributes only 0.75 mV of differential offset, well within the noise budget of most precision ADC front-ends.
What is the overvoltage protection feature of the AD7512DIKNZ and when is it critical?
The AD7512DIKNZ includes overvoltage protection on its analog input and output pins, which clamps transient voltages that exceed the ±15 V supply rails and prevents latch-up or permanent damage to the switch FETs. This protection is critical in industrial field instruments, automated test equipment, and motor-control monitoring circuits where inductive kickback or ESD events on field wiring can produce short-duration spikes of 30 V or more, well beyond the nominal ±15 V operating range.
When is the AD7512DIKNZ in a 14-pin DIP package a practical choice over an SOIC equivalent?
The AD7512DIKNZ in a 14-pin PDIP-T14 package is most practical for prototype development, lab bench instrumentation, and legacy industrial equipment repair where through-hole insertion into breadboards or PTH PCBs is required. Surface-mount SOIC equivalents offer smaller PCB footprint for production boards, but the DIP's 2.54 mm lead pitch and 300 mil body width make it straightforward to socket, replace, or hand-solder in low-volume or field-service scenarios where SMD rework tools may not be available.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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