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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:235
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Product details
Overview
DG303ACWE+ from Maxim Integrated is a dual SPDT CMOS analog switch optimized for low-power, precision signal routing in bipolar supply systems. It features <50Ω on-resistance, 150ns turn-on time, ±15V analog signal range, break-before-make switching, and TTL/CMOS-compatible control inputs - enabling reliable operation in portable instrumentation and programmable gain amplifier circuits.
For engineers reviewing the DG303ACWE+ datasheet, DG303ACWE+ pinout, DG303ACWE+ application, or DG303ACWE+ equivalent, key selection criteria include dual SPDT topology, wide ±5V to ±18V supply support, low charge injection (12pC), guaranteed 0°C to +70°C operation, and SOIC-W16 package compatibility with legacy DG303 designs.
Technical Context
The DG303ACWE+ implements monolithic CMOS switch architecture with latchup-proof construction and substrate-isolated P-well/N-well design. Its dual SPDT configuration provides independent channel control with true break-before-make timing (50ns minimum interval), preventing signal shorting during state transitions.
It supports full-rail analog signal switching from V− to V+, operates with single-supply (V− = GND) or dual-supply (±5V to ±18V) configurations, and maintains <50Ω RDS(ON) across the entire analog input range - critical for low-distortion sample/hold and telemetry multiplexing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Signal Range | ±15V - enables full-rail signal switching without clipping in ±15V op-amp systems |
| On-Resistance (RDS(ON)) | <50Ω - ensures minimal voltage drop and gain error in precision gain-setting paths |
| Turn-On Time (tON) | 150ns - supports sampling rates up to ~3 MHz in fast data acquisition |
| Charge Injection | 12pC - limits settling error in high-impedance sample/hold capacitors (e.g., 10nF yields <1.2mV glitch) |
| Off-Leakage Current | <±0.1nA at ±14V - preserves accuracy in µA-level sensor signal paths over temperature |
| Supply Range | ±5V to ±18V - accommodates industrial ±12V and test equipment ±15V rails |
| Logic Compatibility | TTL and CMOS - interfaces directly with microcontrollers, FPGAs, and legacy logic without level shifters |
Pinout & Package
Package: 16-lead Wide SOIC (SOIC-W), 7.6mm × 10.3mm body, 1.27mm lead pitch, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 15, 16 | No Connect (N.C.) | Internally unconnected; must be left floating or tied to GND per layout best practice |
| 3 (D1), 4 (S1), 5 (IN1) | Channel 1 Drain, Source, Control | SPDT path: D1 ↔ S1 controlled by IN1 (logic high = ON); isolated from Channel 2 |
| 6 (GND), 7 (V−) | Ground, Negative Supply | V− sets lower analog rail; GND is digital reference - separate grounding recommended for noise isolation |
| 8 (IN2), 9 (S2), 10 (D2) | Channel 2 Control, Source, Drain | Independent SPDT path: D2 ↔ S2 controlled by IN2; no crosstalk with Channel 1 (74dB isolation) |
| 11, 12, 13, 14 | No Connect (N.C.) | Unused die pads; electrically isolated - no routing or thermal tie required |
| 16 (V+) | Positive Supply | Sets upper analog rail; substrate/case connected to V+ - requires stable, low-noise supply |
Key Features
| Feature | Design Value |
|---|---|
| Break-Before-Make Switching | Guaranteed 50ns minimum interval prevents momentary shorting between D1/S1 and D2/S2 paths |
| Low Charge Injection (12pC) | Minimizes voltage glitch on hold capacitors - critical for 12-bit+ ADC front-end sample/holds |
| Matched On-Resistance (≤10%) | Ensures consistent gain scaling across dual channels in PGA and differential multiplexer applications |
| Latchup-Proof Construction | Immune to destructive latchup under overvoltage or ESD stress - validated per JEDEC JESD78 |
| Single-Supply Operation | V− tied to GND enables +10V to +30V unipolar operation - simplifies power architecture in portable gear |
Applications
| Portable Instrumentation | Low-Power Sample/Hold Circuits |
|---|---|
|
Use Scenario: Battery-powered handheld multimeter selecting between AC/DC voltage, current, and resistance measurement paths. IC Role / Device Role: Dual SPDT analog switch routing sensor signals to shared ADC and amplifier stages while isolating unused inputs. Use Value: <50Ω RDS(ON) and <0.1nA leakage preserve measurement accuracy; 150ns switching enables rapid auto-ranging without dead time. |
Use Scenario: Precision data logger capturing thermocouple or strain gauge outputs at 10kSPS with 16-bit resolution. IC Role / Device Role: DG303ACWE+ routes analog inputs to a high-impedance sample capacitor before ADC conversion. Use Value: 12pC charge injection limits hold-step error to <1LSB on 10nF capacitor; break-before-make prevents capacitor discharge during channel change. |
| Programmable Gain Amplifiers | Process Control Telemetry |
|
Use Scenario: Industrial sensor interface module adjusting gain via switched feedback resistors in an op-amp configuration. IC Role / Device Role: DG303ACWE+ selects between discrete resistor values in the amplifier's feedback network using logic-controlled SPDT paths. Use Value: Matched <50Ω on-resistance across both channels ensures identical gain error contribution - enabling ≤0.1% gain matching. |
Use Scenario: Remote RTU multiplexing 8-channel 4–20mA loop signals into a single analog input for PLC monitoring. IC Role / Device Role: DG303ACWE+ serves as one of four dual SPDT switches in a 16:1 analog multiplexer tree. Use Value: ±15V analog range handles full 4–20mA compliance voltage swing; 74dB crosstalk rejection prevents inter-channel interference. |
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 |
|---|---|---|---|
| ADG403BRZ | Higher RDS(ON) (60Ω typ), slower tON (200ns), no break-before-make guarantee | Less suitable for high-speed sample/hold; acceptable for static gain switching | Prefer DG303ACWE+ when break-before-make timing or sub-50Ω RDS(ON) is required |
| TS5A23157DGSR | Lower voltage rating (5.5V max), CMOS-only logic, smaller 10-pin VSSOP package | Only viable for low-voltage battery systems (<5.5V); incompatible with ±12V/±15V rails | Select DG303ACWE+ for industrial or test equipment requiring ±15V analog range and robust bipolar operation |
Compared with ADG403BRZ and TS5A23157DGSR, the DG303ACWE+ uniquely delivers guaranteed break-before-make timing, <50Ω on-resistance at ±15V, and full-rail analog switching - making it the only option among the three qualified for precision dual SPDT routing in ±15V instrumentation and telemetry systems.
Availability
DG303ACWE+ 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 lifecycle support, and traceable sourcing.
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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The DG300–DG303 family was designed specifically for low-power, precision analog signal routing in battery-operated and high-reliability systems - emphasizing rail-to-rail switching, low distortion, and robustness across extended temperature ranges.
FAQ
What is the operating temperature range for DG303ACWE+?
The DG303ACWE+ is rated for operation from 0°C to +70°C, as indicated by the "C" suffix in its part number. This commercial-grade temperature range is validated per Maxim's electrical specifications and absolute maximum ratings tables, and applies to all DC and dynamic parameters including on-resistance, leakage, and switching times.
Does DG303ACWE+ support single-supply operation?
Yes, DG303ACWE+ supports single-supply operation by connecting V− to GND. When configured this way, it operates with V+ ranging from +10V to +30V and maintains full analog signal switching from 0V to V+. The device retains its <50Ω on-resistance and 12pC charge injection performance under these conditions, as confirmed in Table 1 of the datasheet.
Is DG303ACWE+ pin compatible with older DG303 variants?
Yes, DG303ACWE+ is pin compatible with other DG303 variants in the same SOIC-W16 package, including DG303CWE and DG303BWE. Pin functions, spacing, and thermal pad layout match exactly - enabling drop-in replacement without PCB modification, provided the temperature grade and supply requirements align with the target application.
What is the maximum analog signal voltage DG303ACWE+ can switch?
DG303ACWE+ can switch analog signals from V− to V+, supporting a full ±15V range when powered with ±15V supplies. With single-supply operation (V− = GND), the analog range extends from 0V to V+, up to +30V. These limits are defined in the Absolute Maximum Ratings and Electrical Characteristics sections, and apply regardless of logic input voltage.
How does break-before-make timing work in DG303ACWE+?
DG303ACWE+ guarantees a minimum 50ns break-before-make interval between channel switching events, as measured per the test circuit in Figure 2 of the datasheet. This ensures that one SPDT path fully opens before the other closes - eliminating transient shorts in sensitive signal paths such as sample/hold capacitors or programmable gain networks.
DG303ACWE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- 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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