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Analog Devices Inc./Maxim Integrated DG407CJ
- Part No.:
- DG407CJ
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-DIP (0.600", 15.24mm)
- Datasheet:
-
DG407CJ.pdf
- Description:
- IC MUX DUAL 8:1 100OHM 28DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,027
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Product details
Overview
DG407CJ from Maxim Integrated is a dual 8-channel CMOS analog multiplexer/demultiplexer with bidirectional signal routing, 100Ω max on-resistance, 15pC max charge injection, and guaranteed 8Ω max channel-to-channel on-resistance matching. It operates from ±4.5V to ±20V dual supplies or +5V to +30V single supply and is used in precision data-acquisition systems requiring low leakage and rail-to-rail analog handling.
For engineers reviewing the DG407CJ datasheet, DG407CJ pinout, DG407CJ application, or DG407CJ equivalent, key selection criteria include on-resistance flatness (9Ω max), input off-leakage (<5nA at +85°C), enable timing (tON(EN) ≤ 600ns), and compatibility with TTL/CMOS logic controls in test equipment and guidance systems.
Technical Context
The DG407CJ implements a CMOS transmission-gate architecture with independent address decoding for two 8-channel banks (S1A–S8A and S1B–S8B), each controlled by A0–A2 and enabled via EN. Its rail-to-rail analog signal range (±10V typical at ±15V supplies) and break-before-make switching (130ns min tOPEN) prevent signal shorting during channel transitions.
Guaranteed parameters include on-resistance matching (8Ω max ΔRDS(ON)) and flatness (9Ω max RFLAT) across the full analog range, verified over temperature (0°C to +70°C). ESD protection exceeds 2000V per MIL-STD 883 Method 3015.7, and digital inputs tolerate voltages beyond V+/V− due to internal clamping diodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RDS(ON)) | 100Ω max - ensures minimal signal attenuation and voltage drop in precision analog paths |
| On-Resistance Matching | 8Ω max - enables accurate differential or ratiometric measurements across channels |
| Charge Injection | 15pC max - reduces sampling error in high-impedance sample-and-hold circuits |
| Input Off-Leakage Current | <5nA at +85°C - preserves signal integrity in high-impedance sensor interfaces |
| Analog Signal Range | ±10V (dual supply) or 0V to +10V (single supply) - supports rail-to-rail signal handling without clipping |
| Enable Turn-On Time | 600ns max - allows fast channel switching in real-time test and control applications |
| Supply Voltage Range | +5V to +30V (single) or ±4.5V to ±20V (dual) - provides flexibility in industrial and mixed-supply systems |
Pinout & Package
DG407CJ is housed in a 28-pin plastic DIP (Dual In-line Package) with 0.3-inch body width and through-hole mounting. Pin 1 is V+, pin 2 is DB (output B), pin 12 is GND, pin 27 is V−, and pin 28 is DA (output A).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply voltage input | Accepts +5V to +30V (single) or up to +44V relative to V−; powers internal logic and switches |
| V− | Negative supply voltage input | Accepts −4.5V to −20V (dual) or 0V (single); defines lower analog rail and bias reference |
| GND | Ground reference | Common return for digital logic and substrate bias; must be low-impedance for noise immunity |
| DA, DB | Bidirectional analog outputs | Common terminals for respective 8-channel banks; support bidirectional AC/DC signal routing |
| S1A–S8A, S1B–S8B | Bidirectional analog inputs | 16 total switch terminals; each connects to DA or DB based on A0–A2 address and EN state |
| A0–A2 | Binary address inputs | Select one of eight channels per bank; TTL/CMOS-compatible thresholds (VAL ≤ 0.8V, VAH ≥ 2.4V) |
| EN | Enable input | Active-high control: when high, selected channel connects; when low, all switches open |
| N.C. | No internal connection | Pins 3, 13, 14 - unused; must remain unconnected to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Pin-compatible upgrade | Direct replacement for legacy DG407 with identical pinout and footprint - no PCB redesign required |
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without distortion - critical for full-scale sensor and audio routing |
| Low charge injection (15pC) | Minimizes voltage glitch on hold capacitors - enables sub-12-bit accuracy in sample-and-hold stages |
| Guaranteed on-resistance flatness (9Ω) | Ensures consistent gain and linearity across input voltage range - essential for precision instrumentation |
| TTL/CMOS digital interface | Operates with standard logic families without level-shifting - simplifies integration with microcontrollers and FPGAs |
Applications
| Test Equipment | Data-Acquisition Systems |
|---|---|
Use Scenario: Automated test fixtures routing multiple sensor inputs to a shared ADC or DMM. IC Role / Device Role / Timing Role: Dual-bank analog switch enabling sequential channel scanning under microcontroller control. Use Value: 8Ω max channel matching and <5nA off-leakage preserve measurement accuracy across temperature and signal range. | Use Scenario: Industrial PLC modules acquiring analog process variables (pressure, temperature, flow) with multiplexed front-end conditioning. IC Role / Device Role / Timing Role: High-fidelity signal router between sensors and precision ADC, supporting ±10V bipolar inputs. Use Value: Rail-to-rail operation and 15pC max charge injection minimize acquisition error in high-resolution (16+ bit) systems. |
| Guidance and Control Systems | Audio Signal Routing |
Use Scenario: Avionics subsystems selecting among redundant inertial measurement unit (IMU) outputs for fault-tolerant navigation. IC Role / Device Role / Timing Role: Fail-safe analog multiplexer with break-before-make timing (130ns min) preventing transient shorts during reconfiguration. Use Value: ESD rating >2000V and −40°C to +85°C extended-grade variants (e.g., DG407DJ+) support harsh environments. | Use Scenario: Professional audio mixers routing line-level signals between processing blocks (EQ, dynamics, effects). IC Role / Device Role / Timing Role: Low-distortion bidirectional switch handling AC-coupled audio with minimal crosstalk (−92dB typical). Use Value: 100Ω max on-resistance and 8pF off-capacitance maintain wide bandwidth and low THD+N in analog signal paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG407BRZ | 120Ω max RDS(ON), 25pC max charge injection, SOIC-28 package only | Higher on-resistance and charge injection limit use in <14-bit DAQ or low-leakage sensor apps | Prefer DG407CJ where <100Ω RDS(ON) and <15pC Q are required for precision sampling |
| MAX4617CSE+ | Dual SPDT (not 8×2), 60Ω max RDS(ON), 12pC max charge injection, 16-pin SO | Limited to 2-channel per bank; insufficient for 8-channel routing needs | Select DG407CJ when full dual-8-channel topology and 28-pin DIP mounting are mandatory |
Compared with ADG407BRZ and MAX4617CSE+, the DG407CJ uniquely delivers guaranteed 8Ω channel matching, 100Ω max on-resistance, and 28-pin DIP packaging - making it optimal for legacy-compatible, high-precision multiplexing in test and industrial DAQ.
Availability
DG407CJ is available at Aetrix Electronics and suitable for test equipment, data-acquisition systems, and guidance and control systems requiring stable component supply, long-term obsolescence management, and RoHS-compliant through-hole packaging.
Supply support for DG407CJ 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 DG407CJ belongs to Maxim's precision analog multiplexer product line, engineered for low-leakage, low-distortion signal routing in measurement-critical systems where channel matching and charge injection directly impact system accuracy.
FAQ
What is the operating temperature range for the DG407CJ?
The DG407CJ is rated for 0°C to +70°C ambient operation. This commercial-grade temperature range is validated across all electrical specifications including on-resistance (100Ω max), leakage (<5nA at +85°C derated), and switching times. The "C" suffix in DG407CJ explicitly denotes this 0°C to +70°C grade, distinguishing it from industrial (D) and military (AK) variants.
Does the DG407CJ support single-supply operation?
Yes, the DG407CJ supports +5V to +30V single-supply operation. When using single supply, V− must be connected to GND. The analog signal range becomes 0V to V+, e.g., 0V to +10V with +10V supply. Performance parameters such as on-resistance and charge injection remain within datasheet limits, though switching speed degrades slightly at lower voltages (e.g., 5V).
Is the DG407CJ pin-compatible with the original DG407?
Yes, the DG407CJ is a pin-compatible plug-in upgrade for the industry-standard DG407. Pin assignments, package outline (28-pin DIP), and functional behavior match exactly. No PCB layout changes are needed - users retain existing footprints while gaining improved specs including guaranteed 8Ω channel matching and 15pC max charge injection.
What is the maximum allowable supply voltage difference for the DG407CJ?
The DG407CJ allows a maximum voltage difference of +44V between V+ and V−, per Absolute Maximum Ratings. For example, V+ = +24V and V− = −20V is acceptable (44V total), but V+ = +30V and V− = −20V (50V) exceeds the rating and risks permanent damage. This limit applies regardless of individual rail values.
How does the DG407CJ handle overvoltage conditions on analog inputs?
The DG407CJ includes internal clamping diodes on all analog (Sx, DA, DB) and digital (A0–A2, EN) pins referenced to V+ and V−. Signals exceeding V+ or falling below V− forward-bias these diodes, limiting current to 30mA continuous. To prevent damage, external series resistors must limit current to within absolute maximum ratings - especially critical during power-supply sequencing faults.
DG407CJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.5Ohm
- Voltage - Supply, Single (V+):
- 5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 200ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 65pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 28-PDIP
DG407CJ FAQ
1.How can I place an order for DG407CJ through Aetrix?
Please submit a Request for Quotation (RFQ) for DG407CJ 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 DG407CJ reliable?
The price and inventory of DG407CJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG407CJ is usually 5 days.
3.What payment methods are accepted for DG407CJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG407CJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG407CJ?
DG407CJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG407CJ 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 DG407CJ?
For technical support, including DG407CJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG407CJ requirements.
6.How does Aetrix verify that DG407CJ is sourced from the original manufacturer or authorized distributors?
All DG407CJ 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 DG407CJ meets industry standards.
7.What is the process for return or replacement of DG407CJ?
All DG407CJ units undergo pre-shipment inspection (PSI). If there is an issue with DG407CJ, 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 DG407CJ part is unused and in its original packaging.
Return procedure for DG407CJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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