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Analog Devices Inc./Maxim Integrated DG300AC/D
- Part No.:
- DG300AC/D
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- Die
- Datasheet:
-
DG300AC/D.pdf
- Description:
- IC SWITCH SPST-NO X 2 50OHM DIE
- Quantity:
- Payment:
- Shipping:
Inventory:3,443
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Product details
Overview
DG300AC/D from Maxim Integrated is a dual single-pole single-throw (SPST) CMOS analog switch optimized for low-power, battery-operated systems. It features <50Ω on-resistance, ±5V to ±18V dual-supply operation (or +10V to +30V single-supply), break-before-make switching, 150ns typical turn-on time, and TTL/CMOS-compatible control inputs - enabling precise signal routing in portable instrumentation and low-power sample/hold circuits.
For engineers reviewing the DG300AC/D datasheet, DG300AC/D pinout, DG300AC/D application, or DG300AC/D equivalent, this page delivers verified electrical specs, package mapping to die format, functional role in analog signal path selection, and validated alternative options for SPST switching in industrial and portable designs.
Technical Context
The DG300AC/D implements monolithic CMOS switch architecture with latchup-proof construction and substrate-isolated V+ connection. Its dual SPST topology supports independent channel control via two logic inputs (IN1, IN2), each driving one switch pair (S1/D1 and S2/D2) with guaranteed break-before-make timing of 50ns.
It operates across ±5V to ±18V supplies, supporting full-rail analog signal switching from V− to V+, and exhibits <10% on-resistance matching between channels. Charge injection is tightly controlled at 12pC (typical), critical for precision sampling applications where hold capacitor settling must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V (V− to V+), enabling full-rail signal switching without clipping in ±15V systems |
| On-Resistance (RDS(ON)) | <50Ω (typ), ensuring minimal voltage drop and signal attenuation in low-level analog paths |
| Turn-On Time (tON) | 150ns (typ), supporting high-speed multiplexing up to ~3 MHz effective bandwidth |
| Charge Injection | 12pC (typ), limiting error voltage in sample/hold circuits with 10nF hold capacitors to <1.2mV |
| Off-Leakage Current | <±0.1nA (typ), preserving accuracy in high-impedance sensor interfaces and long-hold intervals |
| Supply Range | ±5V to ±18V dual or +10V to +30V single (V− = GND), simplifying power architecture in mixed-signal PCBs |
| Logic Compatibility | TTL and CMOS input thresholds (0.8V/4.0V), allowing direct interface with microcontrollers and FPGA I/O |
Pinout & Package
DG300AC/D is supplied as bare die (no leaded package), intended for hybrid assembly or custom module integration. Die dimensions and pad layout align with Maxim's standard DG300-series silicon topography.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply / substrate/case connection | Must be tied to highest system voltage; provides substrate bias and defines upper analog rail |
| V− | Negative supply | Defines lower analog signal limit; tied to GND for single-supply operation |
| GND | Ground reference | Common return for digital logic and analog signal paths; requires low-impedance connection |
| IN1, IN2 | Digital control inputs | Active-high TTL/CMOS logic; drive respective S1/D1 and S2/D2 switches ON when high |
| S1, S2 | Source terminals | Input side of SPST switches; connected to analog signal sources or common nodes |
| D1, D2 | Drain terminals | Output side of SPST switches; routed to ADC inputs, amplifier stages, or load points |
| N.C. | No-connect pads | Unused die pads - must remain unconnected per Maxim's layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | 50ns guaranteed interval prevents momentary shorting between channels during state transition |
| Latchup-proof CMOS process | Immune to destructive latchup under overvoltage or ESD stress, enhancing field reliability |
| Low charge injection (12pC) | Minimizes step error in sample/hold amplifiers, enabling 12-bit+ accuracy without recalibration |
| Single-supply capability | Operates from +10V to +30V with V− = GND, eliminating need for negative rail in many portable designs |
| On-resistance flatness | <50Ω across full analog range (V− to V+), ensuring consistent gain and linearity in signal paths |
Applications
| Portable Instrumentation | Low-Power Sample/Hold Circuits |
|---|---|
Use Scenario: Battery-powered handheld multimeter selecting between voltage, current, and resistance measurement paths. IC Role / Device Role / Timing Role: Dual SPST switch routing analog front-end signals to shared ADC and reference paths under microcontroller control. Use Value: <50Ω RON and sub-0.1nA leakage preserve measurement accuracy; 150ns switching enables rapid auto-ranging without settling delay. |
Use Scenario: Precision data acquisition system capturing sensor outputs with 12-bit resolution and >100kS/s sampling rate. IC Role / Device Role / Timing Role: Analog switch isolating hold capacitor from input source during acquisition phase, triggered by sample clock edge. Use Value: 12pC charge injection limits hold-step error to <1.2mV on 10nF capacitor, maintaining DC accuracy over temperature. |
| Programmable Gain Amplifier (PGA) | Power-Supply Sequencing Control |
Use Scenario: Medical EEG amplifier with selectable gain settings (10×, 100×, 1000×) using resistor networks switched into feedback path. IC Role / Device Role / Timing Role: SPST switch enabling/disabling discrete gain-setting resistors in op-amp feedback loop under digital control. Use Value: Matched <10% RON variation ensures consistent gain accuracy across channels; TTL compatibility allows direct FPGA GPIO control. |
Use Scenario: Industrial PLC module sequencing auxiliary power rails (+5V, +3.3V, +1.8V) during cold start to prevent backfeeding. IC Role / Device Role / Timing Role: High-voltage SPST switch disconnecting downstream circuitry until primary rail stabilizes and enable signal asserts. Use Value: ±18V rating supports direct control of +15V auxiliary rails; break-before-make prevents cross-conduction during rail transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPST analog switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4617ESE+ | SO-16 package, 60Ω max RON, 200ns tON, ±20V rating | Higher RON and slower switching; suited for less demanding signal integrity requirements | Select when SO-16 footprint is required and 60Ω RON is acceptable for system gain error budget |
| ADG1419BRUZ | 16-lead TSSOP, 1.3Ω RON, 12ns tON, ±15V rating, but higher supply current (200µA) | Ultra-low RON and speed ideal for high-fidelity audio or RF sampling, but consumes more quiescent power | Select when sub-2Ω RON and nanosecond switching are mandatory, and supply current is not constrained |
Compared with DG300AC/D, MAX4617ESE+ offers packaged convenience at the cost of higher on-resistance and slower switching, while ADG1419BRUZ delivers superior analog performance at significantly higher quiescent current and cost - making DG300AC/D optimal for battery-critical, medium-precision portable instrumentation.
Availability
DG300AC/D is available at Aetrix Electronics and suitable for portable instrumentation, low-power sample/hold circuits, and programmable gain amplifier designs requiring stable component supply, long-term obsolescence management, and traceable die-level sourcing.
Supply support for DG300AC/D 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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, medical, and communications applications.
The DG300 family was designed specifically for low-power, rail-to-rail analog signal routing in portable and battery-operated equipment, emphasizing low leakage, low charge injection, and wide supply flexibility.
FAQ
What is the operating temperature range for DG300AC/D?
The DG300AC/D is rated for 0°C to +70°C ambient operation, as indicated by the "C" suffix in its ordering code. This commercial-grade temperature range is validated across all electrical specifications in the datasheet, including on-resistance, leakage currents, and switching times - making DG300AC/D suitable for indoor portable instruments and non-extreme industrial environments.
Can DG300AC/D operate from a single +12V supply?
Yes, DG300AC/D supports single-supply operation: connect V− to GND and apply +12V to V+. The device maintains full analog signal switching capability from 0V to +12V, with on-resistance typically 42Ω at V+ = +12V and VSIGNAL = +6V. Input logic thresholds remain compatible (0.8V/4.0V), enabling direct interface with +3.3V or +5V microcontrollers.
Does DG300AC/D include break-before-make functionality?
Yes, DG300AC/D guarantees a 50ns break-before-make interval for its dual SPST configuration, as confirmed in the datasheet's Break-Before-Make Time Test Circuit (Figure 2). This prevents momentary shorting between S1/D1 and S2/D2 paths during simultaneous control transitions - essential for safe signal routing in multiplexer and PGA applications.
What is the maximum analog signal voltage DG300AC/D can switch?
DG300AC/D supports analog signals from V− to V+, with absolute maximum ratings of ±36V for DG300-series devices. When operated at ±15V supplies, it reliably switches ±15V signals. Exceeding V+ or V− clamps signals via internal diodes - so the maximum continuous analog voltage equals the applied supply rails, not a fixed value like ±15V independent of V+/V−.
Is DG300AC/D pin-compatible with other DG300-series variants?
No - DG300AC/D is bare die, while variants like DG300CJ (14-pin DIP) or DG300CWE (16-pin SO) use different physical packages and pinouts. The die itself shares identical internal circuitry and terminal functions with other DG300(A) variants, but external interconnection must follow the DG300AC/D-specific pad layout, not lead-frame pin numbering. Board-level compatibility requires custom hybrid assembly.
DG300AC/D Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 50Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.25Ohm
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- ±5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 300ns, 250ns
- -3db Bandwidth:
- -
- Charge Injection:
- 12pC
- Channel Capacitance (CS(off), CD(off)):
- 14pF, 14pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -74dB @ 500kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Die
DG300AC/D FAQ
1.How can I place an order for DG300AC/D through Aetrix?
Please submit a Request for Quotation (RFQ) for DG300AC/D 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 DG300AC/D reliable?
The price and inventory of DG300AC/D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG300AC/D is usually 5 days.
3.What payment methods are accepted for DG300AC/D?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG300AC/D transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG300AC/D?
DG300AC/D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG300AC/D 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 DG300AC/D?
For technical support, including DG300AC/D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG300AC/D requirements.
6.How does Aetrix verify that DG300AC/D is sourced from the original manufacturer or authorized distributors?
All DG300AC/D 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 DG300AC/D meets industry standards.
7.What is the process for return or replacement of DG300AC/D?
All DG300AC/D units undergo pre-shipment inspection (PSI). If there is an issue with DG300AC/D, 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 DG300AC/D part is unused and in its original packaging.
Return procedure for DG300AC/D:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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