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Analog Devices Inc./Maxim Integrated DG303ACWE
- Part No.:
- DG303ACWE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
DG303ACWE.pdf
- Description:
- IC SWITCH SPDT X 2 50OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,810
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Product details
Overview
DG303ACWE from Maxim Integrated is a dual SPDT CMOS analog switch IC designed for precision signal routing in low-power, bipolar-supply systems. It features <50Ω on-resistance, ±15V analog signal range (V+ to V−), 150ns turn-on time, and break-before-make switching - enabling reliable operation in portable instrumentation and programmable gain amplifier circuits.
For engineers reviewing the DG303ACWE datasheet, DG303ACWE pinout, DG303ACWE application, or DG303ACWE equivalent, this device serves as a TTL/CMOS-compatible, latchup-proof analog switch with single-supply capability (V− = GND), low charge injection (12pC), and guaranteed performance across 0°C to +70°C.
Technical Context
The DG303ACWE implements two independent SPDT switches using monolithic CMOS process technology with substrate isolation. Each switch supports rail-to-rail analog signal handling from V− to V+, with logic inputs compatible to TTL and CMOS voltage thresholds (0.8V/4.0V).
Its break-before-make architecture prevents momentary shorting during state transitions, and internal latchup-proof construction ensures robustness against transient overvoltage and supply sequencing faults - critical for battery-powered telemetry and sample/hold systems operating at ±5V to ±15V supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V (V− to V+); enables full-rail signal switching without clipping in bipolar supply systems. |
| On-Resistance (RDS(ON)) | <50Ω typ.; ensures minimal signal attenuation and distortion in precision analog paths. |
| Turn-On Time (tON) | 150ns max; supports high-speed multiplexing in data acquisition and test equipment. |
| Charge Injection | 12pC typ.; reduces settling error in sample-and-hold and switched-capacitor circuits. |
| Off-Leakage Current | <±0.1nA typ. (ID(OFF)/IS(OFF)); preserves accuracy in high-impedance sensor interfaces. |
| Supply Range | ±5V to ±15V; also supports single-supply mode with V− tied to GND (10V–30V V+). |
| Logic Compatibility | TTL/CMOS input thresholds (0.8V low, 4.0V high); simplifies interface with microcontrollers and FPGAs. |
Pinout & Package
Package: 16-lead wide SOIC (SOIC-W), 0.300" body width, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14 | No Connect (N.C.) | Internally unconnected; must be left floating or tied to GND per layout best practice. |
| 8 | V+ | Positive supply rail; accepts +5V to +15V in dual-supply mode or +10V to +30V in single-supply mode. |
| 9 | GND | Ground reference for logic inputs and substrate bias; required for single-supply operation. |
| 15 | V− | Negative supply rail; tied to GND for single-supply use; sets lower bound of analog signal range. |
| 16 | IN1 / IN2 | Independent TTL/CMOS-compatible control inputs for Switch 1 and Switch 2. |
| S1, S2 | Common Source Terminals | SPDT common nodes; each connects to one of two drain paths based on logic state. |
| D1a/D1b, D2a/D2b | Drain Outputs | Two normally open/normally closed paths per switch; routed via break-before-make logic. |
Key Features
| Feature | Design Value |
|---|---|
| Latchup-proof CMOS construction | Prevents destructive latchup under overvoltage or ESD stress - essential for field-deployed instrumentation. |
| Break-before-make switching | Guarantees ≥50ns dead time between channel disconnect and reconnect - eliminates signal shorting in multiplexer paths. |
| Low charge injection (12pC) | Minimizes voltage glitch on hold capacitors; enables sub-12-bit accuracy in sample/hold applications. |
| Rail-to-rail analog range | Supports signals spanning V− to V+ without clipping - critical for ±12V industrial sensor interfaces. |
| Single-supply capability | V− = GND configuration allows use with +10V to +30V supplies - simplifies power design in portable systems. |
Applications
| Portable Instrumentation | Programmable Gain Amplifiers |
|---|---|
|
Use Scenario: Signal routing in handheld multimeters and battery-powered oscilloscopes requiring low quiescent current and rail-to-rail analog switching. IC Role / Device Role / Timing Role: Dual SPDT analog switch managing input range selection and signal path isolation. Use Value: <50Ω RDS(ON) and ±15V signal range preserve measurement accuracy; 0.5µA supply current extends battery life. |
Use Scenario: Configuring feedback networks in digitally controlled amplifiers for variable gain stages in medical sensors. IC Role / Device Role / Timing Role: Precision analog switch selecting resistor values in op-amp feedback loops. Use Value: Low 12pC charge injection prevents gain-step errors; break-before-make avoids transient output spikes. |
| Low-Power Sample/Hold Circuits | Process Control Telemetry |
|
Use Scenario: Sampling analog sensor outputs (e.g., thermocouples, strain gauges) in energy-constrained remote monitoring nodes. IC Role / Device Role / Timing Role: SPDT switch connecting sensor to hold capacitor with minimal disturbance. Use Value: 150ns tON enables fast acquisition; sub-0.1nA off-leakage maintains hold voltage stability >100ms. |
Use Scenario: Multiplexing multiple 4–20mA loop signals or RTD inputs in industrial PLC I/O modules. IC Role / Device Role / Timing Role: Isolation and routing switch for analog sensor channels prior to ADC conversion. Use Value: ±15V analog range accommodates industrial signal swings; latchup-proof design withstands field transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4633ESE+ | Lower on-resistance (3Ω typ.), but only ±5V supply range; SO-16 package same footprint. | Optimized for low-voltage, high-precision data acquisition - not suitable for ±12V industrial signals. | Select when system uses 5V rails and requires ultra-low RDS(ON); verify logic compatibility and thermal derating. |
| ADG1434BRUZ | 4-channel SPDT, higher supply range (±15V), but larger 20-lead TSSOP package and 180ns tON. | Offers channel count expansion for multi-sensor systems; requires PCB layout change due to different pinout. | Choose when scaling to 4 independent SPDT paths is needed; confirm layout compatibility and leakage specs at temperature extremes. |
Compared with DG303ACWE, MAX4633ESE+ delivers superior on-resistance but sacrifices bipolar voltage headroom, while ADG1434BRUZ provides additional channels at the cost of increased propagation delay and package rework - making DG303ACWE optimal for space-constrained, ±15V-compatible dual-path routing.
Availability
DG303ACWE is available at Aetrix Electronics and suitable for portable instrumentation, low-power sample/holds, and process control telemetry requiring stable component supply across commercial temperature range (0°C to +70°C).
Supply support for DG303ACWE 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 DG303ACWE belongs to the DG300–DG303 family of TTL-compatible CMOS analog switches engineered for low-power, high-fidelity signal routing in battery-operated and bipolar-supply systems.
FAQ
What is the maximum supply voltage rating for DG303ACWE?
The DG303ACWE supports dual-supply operation from ±5V to ±15V. Its absolute maximum V+ rating is 36V relative to V−, and GND must remain within −4V to +25V relative to V−. Exceeding these limits risks permanent damage, per Absolute Maximum Ratings table in the datasheet.
Does DG303ACWE support single-supply operation?
Yes, DG303ACWE supports single-supply operation by connecting V− to GND. In this configuration, V+ may range from +10V to +30V, and analog signals can swing from 0V to V+. The device retains TTL/CMOS logic compatibility and full rail-to-rail analog switching capability.
What is the typical charge injection value for DG303ACWE and why does it matter?
DG303ACWE exhibits 12pC typical charge injection (measured with ±15V supplies and 10nF load). This parameter directly impacts settling error in sample-and-hold and switched-capacitor circuits - lower values reduce voltage glitches on hold capacitors, preserving DC accuracy and enabling faster acquisition times.
Is DG303ACWE pin-compatible with legacy DG303 devices?
Yes, DG303ACWE is pin-compatible with other DG303 variants (e.g., DG303CWE, DG303BWE) and electrically compatible with original manufacturer equivalents. All share identical 16-pin wide SOIC footprint, pin functions, and logic-level definitions - allowing direct replacement without PCB modification.
What is the operating temperature range specified for DG303ACWE?
DG303ACWE is rated for 0°C to +70°C ambient operating temperature. This commercial-grade specification aligns with its "C" suffix designation and is validated across all key parameters including on-resistance, leakage, and switching times per the Electrical Characteristics tables.
DG303ACWE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 50Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- 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):
- 5nA
- Crosstalk:
- -74dB @ 500kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
DG303ACWE FAQ
1.How can I place an order for DG303ACWE through Aetrix?
Please submit a Request for Quotation (RFQ) for DG303ACWE 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 DG303ACWE reliable?
The price and inventory of DG303ACWE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG303ACWE is usually 5 days.
3.What payment methods are accepted for DG303ACWE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG303ACWE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG303ACWE?
DG303ACWE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG303ACWE 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 DG303ACWE?
For technical support, including DG303ACWE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG303ACWE requirements.
6.How does Aetrix verify that DG303ACWE is sourced from the original manufacturer or authorized distributors?
All DG303ACWE 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 DG303ACWE meets industry standards.
7.What is the process for return or replacement of DG303ACWE?
All DG303ACWE units undergo pre-shipment inspection (PSI). If there is an issue with DG303ACWE, 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 DG303ACWE part is unused and in its original packaging.
Return procedure for DG303ACWE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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