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Analog Devices Inc./Maxim Integrated DG407CJ+
- Part No.:
- DG407CJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
DG407CJ+.pdf
- Description:
- IC MUX ANLG DIFF 8CH CMOS 28-DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,438
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Product details
Overview
DG407CJ+ from Maxim Integrated is a dual 8-channel CMOS analog multiplexer/demultiplexer designed for bidirectional signal routing in precision data-acquisition and test systems. It features guaranteed on-resistance matching ≤8Ω, flatness ≤9Ω, low charge injection ≤15pC, and operates from ±4.5V to ±20V dual supplies or +5V to +30V single supply. Its rail-to-rail analog signal handling supports audio routing and sample-and-hold circuits.
For engineers reviewing the DG407CJ+ datasheet, DG407CJ+ pinout, DG407CJ+ application, or DG407CJ+ equivalent, key selection criteria include channel matching tolerance, leakage current at +85°C (≤5nA), enable timing (tON(EN) ≤400ns), and compatibility with TTL/CMOS logic controls - all critical for high-fidelity analog switching in guidance, communications, and industrial DAQ systems.
Technical Context
The DG407CJ+ implements a fully differential dual-8-channel architecture with independent address decoding (A0–A2) and shared enable (EN) per section. Each 8-channel block routes bidirectional analog signals between S1A–S8A/DB and S1B–S8B/DA pins using CMOS transmission gates with substrate-connected V+ for stable threshold control.
It guarantees monotonic on-resistance behavior across its full analog range (±10V typical), with leakage performance validated at +85°C and ESD robustness >2000V per MIL-STD-883 Method 3015.7 - enabling reliable operation in ungrounded or floating-signal test environments without external protection circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (max) | 100Ω - ensures minimal signal attenuation and gain error in 12-bit+ DAQ front-ends |
| Channel matching (max) | 8Ω - enables precise ratiometric measurements across channels without calibration |
| On-resistance flatness (max) | 9Ω - maintains consistent gain and linearity over full ±10V analog input range |
| Charge injection (max) | 15pC - limits voltage glitch on sample capacitors in S/H circuits to <1.5mV (with 10nF hold cap) |
| Input leakage (max @ +85°C) | 5nA - preserves accuracy in high-impedance sensor interfaces and microamp-level current sources |
| Enable turn-on time (max) | 400ns - supports multiplexing rates up to ~2MHz in time-critical scanning applications |
| Analog signal range | Rail-to-rail (±10V typical) - accommodates full-scale industrial sensor outputs without level-shifting |
| Supply range | ±4.5V to ±20V dual or +5V to +30V single - allows flexible integration into legacy ±15V and modern 12V/24V systems |
Pinout & Package
Package: 28-pin plastic DIP (PDIP), RoHS-compliant, 0°C to +70°C operating temperature range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, V+ | Positive supply voltage | Bias source for P-channel MOSFETs; must be powered before V− to avoid latch-up |
| 2, DB | Bidirectional analog output B | Common node for second 8-channel section; connects to S1B–S8B when enabled |
| 3, N.C. | No internal connection | Not bonded; must remain unconnected to prevent parasitic coupling or mechanical stress |
| 4–11, S8B–S1B | Bidirectional analog inputs B | Eight independent analog paths for second mux section; fully symmetric signal flow |
| 12, GND | Ground reference | Logic ground return; not analog ground - separate grounding recommended for precision layouts |
| 13, N.C. | No internal connection | Not bonded; floating pin; avoid PCB trace routing beneath |
| 14, N.C. | No internal connection | Not bonded; electrically isolated; no thermal or mechanical function |
| 15–17, A2, A1, A0 | Address inputs | 3-bit binary select for active channel in each 8-channel section; TTL/CMOS compatible |
| 18, EN | Enable input | Active-high global enable; disables both sections simultaneously with break-before-make timing |
| 19–26, S1A–S8A | Bidirectional analog inputs A | Eight independent analog paths for first mux section; identical electrical specs to S1B–S8B |
| 27, V− | Negative supply voltage | Bias source for N-channel MOSFETs; substrate tied to V+, eliminating body effect variation |
| 28, DA | Bidirectional analog output A | Common node for first 8-channel section; connects to S1A–S8A when enabled |
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 inputs from V− to V+ without clipping, enabling direct interface to ±10V industrial sensors |
| Guaranteed low charge injection | ≤15pC maximum ensures <0.01% error in 12-bit sample-and-hold circuits with 10nF hold capacitors |
| TTL/CMOS digital control | Accepts standard logic thresholds (VAL ≤0.8V, VAH ≥2.4V) - eliminates need for level translators in mixed-supply systems |
| ESD robustness | >2000V HBM per MIL-STD-883 Method 3015.7 - withstands handling and board-level ESD events without screening |
| Low power consumption | 1.25mW max at +25°C - reduces thermal drift and simplifies thermal management in dense DAQ modules |
Applications
| Sample-and-Hold Circuits | Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single high-speed ADC with hold capacitor. IC Role / Device Role / Timing Role: Dual 8-channel analog switch providing synchronized channel selection and low-glitch signal routing during acquisition phase. Use Value: 15pC max charge injection minimizes hold-step error; 8Ω channel matching ensures ratiometric accuracy across all 16 inputs. | Use Scenario: Automated test system routing calibrated reference signals and DUT outputs to measurement instruments. IC Role / Device Role / Timing Role: Precision analog path selector enabling programmable signal injection and response capture under software control. Use Value: 100Ω max on-resistance and 9Ω flatness preserve signal integrity across frequency range; ±20V dual-supply support covers wide test signal amplitudes. |
| Guidance and Control Systems | Audio Signal Routing |
Use Scenario: Real-time monitoring of redundant inertial measurement unit (IMU) channels in flight control hardware. IC Role / Device Role / Timing Role: Fault-tolerant analog multiplexer selecting among parallel sensor streams with deterministic break-before-make switching. Use Value: Guaranteed 400ns max tON(EN) and 300ns tOFF(EN) ensure sub-microsecond channel reconfiguration; 5nA max leakage prevents bias shift in high-Z feedback paths. | Use Scenario: Professional audio mixer routing line-level inputs to processing channels and outputs. IC Role / Device Role / Timing Role: Bidirectional analog switch matrix enabling flexible patching of stereo pairs and effects loops. Use Value: Rail-to-rail ±10V signal handling supports pro-audio dynamic range; low crosstalk (-92dB) prevents bleed between adjacent channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG407BRZ | Higher on-resistance (120Ω typ), wider temp range (-40°C to +85°C), SOIC-28 package | Preferred for extended temperature industrial deployments where DIP is unsuitable | Select ADG407BRZ when board space constraints require surface-mount packaging and extended temperature operation is mandatory |
| TS5A23157DGSR | Single-supply only (+1.65V to +5.5V), lower voltage rating, 10Ω on-resistance, 8-pin VSSOP | Suitable only for low-voltage portable or battery-powered signal routing, not for ±15V systems | Choose TS5A23157DGSR only for compact, low-power, single-supply designs - not a functional substitute for DG407CJ+ in industrial or test equipment |
Compared with ADG407BRZ and TS5A23157DGSR, the DG407CJ+ uniquely supports bipolar ±20V operation and delivers guaranteed channel matching (≤8Ω) and flatness (≤9Ω) - critical for metrology-grade multiplexing where absolute accuracy and inter-channel consistency outweigh package size or low-voltage convenience.
Availability
DG407CJ+ is available at Aetrix Electronics and suitable for test equipment, guidance and control systems, and data-acquisition systems requiring stable component supply, long-term obsolescence planning, and RoHS-compliant through-hole assembly.
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 and mixed-signal ICs for precision, reliability, and ruggedness in demanding environments.
The DG407CJ+ belongs to Maxim's high-performance CMOS analog multiplexer product line, engineered specifically for applications requiring guaranteed matching, low charge injection, and rail-to-rail operation in industrial, aerospace, and automated test equipment.
FAQ
What is the maximum allowable supply voltage for DG407CJ+?
The DG407CJ+ supports dual supplies from ±4.5V to ±20V and single supplies from +5V to +30V. Absolute maximum ratings specify V+ to V− differential ≤44V and V+ ≤44V referenced to V−. Exceeding these may cause permanent damage. Operation at ±20V is fully characterized and supported per datasheet Electrical Characteristics tables.
Does DG407CJ+ support rail-to-rail analog signal switching?
Yes, DG407CJ+ supports rail-to-rail analog signal handling - signals from V− to V+ pass through with minimal distortion. The datasheet specifies an analog signal range of ±10V (typical) under ±15V supplies, and full rail-to-rail operation is guaranteed across its specified supply ranges, making it suitable for interfacing with industrial ±10V sensors and DACs.
Is DG407CJ+ pin-compatible with the original DG407?
Yes, DG407CJ+ is explicitly designed as a pin-compatible plug-in upgrade for the industry-standard DG407. Pin assignments, package outline (28-pin PDIP), and logic-level compatibility are identical. No PCB layout changes are required when upgrading from legacy DG407 to DG407CJ+.
What is the guaranteed charge injection specification for DG407CJ+?
The DG407CJ+ guarantees maximum charge injection of 15pC across temperature and supply conditions. This parameter is 100% tested and specified in the Electrical Characteristics table under "Charge Injection" for both dual- and single-supply operation, directly supporting low-error sample-and-hold and precision multiplexing applications.
How does DG407CJ+ handle power supply sequencing?
DG407CJ+ requires proper sequencing: V+ must be applied before V−, followed by logic inputs and analog signals. Violating this risks latch-up or parametric shift. If sequencing cannot be guaranteed, external series diodes (as shown in Figure 1 of the datasheet) provide overvoltage protection while preserving low leakage and on-resistance performance.
DG407CJ+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SP8T - Open
- 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:
- Surface Mount
- Supplier Device Package:
- 10-TDFN (3x3)
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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