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Analog Devices Inc./Maxim Integrated DG212DJ+
- Part No.:
- DG212DJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
DG212DJ+.pdf
- Description:
- IC SWITCH SPST-NOX4 175OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,194
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Product details
Overview
DG212DJ+ from Maxim Integrated is a quad SPST normally open analog switch designed for bidirectional signal routing in ±4.5V to ±18V dual-supply systems. It features 175Ω typical on-resistance, <5nA off-leakage current at ±14V, guaranteed break-before-make switching, and operates across –40°C to +85°C. Used in programmable gain amplifiers and automatic test equipment where rail-to-rail analog signal integrity is critical.
For engineers reviewing the DG212DJ+ datasheet, DG212DJ+ pinout, DG212DJ+ application, or DG212DJ+ equivalent, this page delivers verified electrical parameters, package-specific terminal mapping, real-world use scenarios, and two confirmed alternative parts with documented functional and application-level differences.
Technical Context
The DG212DJ+ implements four independent CMOS transmission gates with inverted logic control inputs-distinguishing it from the DG202 family. Each switch supports analog signals from –15V to +15V with constant RDS(ON) over the full range and no output offset voltage.
It eliminates the need for a separate logic supply (VL), accepts CMOS/TTL-compatible input levels, and guarantees nonlatching behavior even when power supplies are disconnected while analog signals remain present-critical for hot-swap and fault-tolerant designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | –15V to +15V: Supports rail-to-rail bipolar analog signals without clipping or distortion. |
| RDS(ON) | 115Ω (min) to 175Ω (typ): Low on-resistance ensures minimal signal attenuation and gain error in precision paths. |
| Off-Leakage Current | ±0.02nA to ±5.0nA: Enables high-impedance sample/hold and low-drift instrumentation front-ends. |
| Switching Time (tON/tOFF) | 460ns / 360ns: Suitable for multiplexing up to ~1MHz analog signals with minimal settling delay. |
| OFF-Isolation | 70dB at 100kHz: Prevents crosstalk between channels in multi-channel data acquisition systems. |
| Supply Range | ±4.5V to ±18V continuous: Allows operation from standard ±5V, ±12V, or ±15V rails without external regulation. |
| Operating Temp | –40°C to +85°C: Qualified for industrial temperature environments without derating. |
Pinout & Package
Package: 16-pin plastic DIP (0.300" wide), through-hole mount, RoHS-compliant DG212DJ+ variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Inverted logic control inputs: Low = switch ON; high = switch OFF. |
| 2, 15, 10, 7 | D1–D4 | Drain terminals: Bidirectional analog signal outputs connected to load or downstream circuitry. |
| 3, 14, 11, 6 | S1–S4 | Source terminals: Bidirectional analog signal inputs connected to source or upstream signal path. |
| 4 | V− | Negative supply rail: Must be connected to system V−; internal substrate reference. |
| 5 | GND | Digital ground reference: Shared with logic interface; not analog ground. |
| 12 | N.C. | No connection: Internally unconnected; must remain floating or tied to GND per layout best practice. |
| 13 | V+ | Positive supply rail: Connected to substrate; requires stable ±4.5V to ±18V relative to V−. |
Key Features
| Feature | Design Value |
|---|---|
| No VL supply required | Eliminates third power rail, simplifying PCB layout and reducing BOM count versus legacy DG212 variants. |
| Guaranteed break-before-make | Prevents momentary short-circuit between channels during state transitions-essential for multiplexer safety. |
| Bidirectional conduction | Enables use as both input and output switch without polarity constraints-ideal for shared bus architectures. |
| Nonlatching under fault conditions | Remains functional after power loss with live analog inputs-supports robust hot-swap and maintenance modes. |
| CMOS/TTL logic compatible | Accepts 0V/2.4V input thresholds directly from microcontrollers or FPGAs-no level-shifting needed. |
Applications
| Programmable Gain Amplifier | Analog Multiplexer |
|---|---|
Use Scenario: Selecting feedback resistor values in op-amp circuits to achieve discrete gain steps (e.g., ×1, ×10, ×100). IC Role / Device Role / Timing Role: Quad SPST switch routing precision resistors into amplifier feedback loop; timing-critical only during configuration change. Use Value: Maintains signal fidelity with <175Ω RDS(ON) and <5nA leakage-preserving gain accuracy and DC offset stability. |
Use Scenario: Routing multiple sensor outputs (e.g., thermocouples, strain gauges) to a single ADC input in data loggers. IC Role / Device Role / Timing Role: Analog signal selector enabling sequential sampling; requires low crosstalk and fast settling. Use Value: 70dB OFF-isolation and 460ns turn-on time ensure channel-to-channel isolation and minimal acquisition dead time. |
| Automatic Test Equipment | Communications Systems |
Use Scenario: Reconfiguring signal paths during self-test sequences-e.g., injecting calibration voltages or shunting inputs. IC Role / Device Role / Timing Role: Fault-tolerant signal routing element that remains safe during power cycling or overvoltage events. Use Value: Nonlatching behavior and ±18V rating allow uninterrupted operation when DUT signals persist during supply interruption. |
Use Scenario: Switching between transmit/receive paths or antenna diversity selection in baseband analog front-ends. IC Role / Device Role / Timing Role: Bidirectional RF/analog path controller handling voice-band or sub-MHz signals. Use Value: Symmetric on-resistance and negligible charge injection (<20pC) prevent signal corruption during path switching. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4617CSE+ | Single SPST, 3.5Ω RDS(ON), 3V–16V single-supply only; no dual-rail support. | Limited to unipolar signal paths; unsuitable for ±15V instrumentation or bipolar audio routing. | Select only for low-voltage, single-supply systems where ultra-low on-resistance outweighs rail flexibility. |
| ADG1412BRUZ | Quad SPST, 1.8Ω RDS(ON), ±15V rated, but requires VL supply and has higher leakage (±20nA). | Higher leakage limits use in high-impedance sample/holds; VL dependency adds complexity. | Choose when lowest possible on-resistance is mandatory and VL supply is already available in design. |
Compared with MAX4617CSE+ and ADG1412BRUZ, the DG212DJ+ uniquely balances wide dual-supply operation, zero VL requirement, and sub-5nA leakage-making it optimal for industrial analog signal routing where supply simplicity and DC precision are jointly critical.
Availability
DG212DJ+ is available at Aetrix Electronics and suitable for programmable gain amplifiers, analog multiplexers, automatic test equipment, and communications systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DG212DJ+ 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 high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing applications.
The DG212DJ+ belongs to Maxim's precision analog switch product line, engineered specifically for robust, rail-to-rail signal routing in harsh industrial environments with strict reliability and fault tolerance requirements.
FAQ
What is the maximum analog signal voltage range supported by the DG212DJ+?
The DG212DJ+ supports an analog signal range of –15V to +15V when operated with ±15V supplies. Its absolute maximum ratings allow VS and VD to swing from V– to V+, meaning the full usable range tracks the applied dual supplies-e.g., ±12V yields –12V to +12V. This is confirmed in the Electrical Characteristics table under VANALOG for DG212.
Does the DG212DJ+ require a separate logic supply voltage (VL)?
No, the DG212DJ+ does not require a VL supply. Unlike earlier DG212 versions from other manufacturers, Maxim's DG212DJ+ integrates logic-level translation internally and operates fully with only V+ and V− supplies. This is explicitly stated in the Features section and confirmed in the Electrical Characteristics table under "Logic Supply Current" (IL = 0 mA).
What is the on-resistance (RDS(ON)) specification for the DG212DJ+ at ±15V supplies?
At V+ = +15V, V– = –15V, and TA = +25°C, the DG212DJ+ has a minimum RDS(ON) of 115Ω and a typical value of 175Ω, measured with VD = ±10V, VIN = 2.4V, and IS = 1mA. This value is stable across the full analog signal range and is specified in the DG212 Electrical Characteristics table.
How does the DG212DJ+ handle power supply disconnection while analog signals remain active?
The DG212DJ+ is guaranteed nonlatching under such fault conditions. Even when V+ and V– are removed while analog signals are present at S or D pins, the device will not enter a destructive latch-up state. This behavior is validated per JEDEC JESD78 and explicitly highlighted in the General Description and Absolute Maximum Ratings sections of the datasheet.
What is the operating temperature range for the DG212DJ+ package variant?
The DG212DJ+ is rated for –40°C to +85°C operation. This is confirmed in the Ordering Information table, where "DG212DJ" maps to "–40°C to +85°C" and "16 Plastic DIP". The device maintains full parameter performance across this range, with leakage, RDS(ON), and switching times all specified over the full temperature span.
DG212DJ+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 175Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 1µs, 500ns
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 5pF
- Current - Leakage (IS(off)) (Max):
- 5nA
- Crosstalk:
- -90dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
DG212DJ+ FAQ
1.How can I place an order for DG212DJ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG212DJ+ 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 DG212DJ+ reliable?
The price and inventory of DG212DJ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG212DJ+ is usually 5 days.
3.What payment methods are accepted for DG212DJ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG212DJ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG212DJ+?
DG212DJ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG212DJ+ 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 DG212DJ+?
For technical support, including DG212DJ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG212DJ+ requirements.
6.How does Aetrix verify that DG212DJ+ is sourced from the original manufacturer or authorized distributors?
All DG212DJ+ 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 DG212DJ+ meets industry standards.
7.What is the process for return or replacement of DG212DJ+?
All DG212DJ+ units undergo pre-shipment inspection (PSI). If there is an issue with DG212DJ+, 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 DG212DJ+ part is unused and in its original packaging.
Return procedure for DG212DJ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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