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Analog Devices Inc./Maxim Integrated DG407DN+T
- Part No.:
- DG407DN+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-LCC (J-Lead)
- Datasheet:
-
DG407DN+T.pdf
- Description:
- IC MUX DUAL 8:1 100OHM 28PLCC
- Quantity:
- Payment:
- Shipping:
Inventory:1,831
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Product details
Overview
DG407DN+T from Maxim Integrated is a dual 8-channel CMOS analog multiplexer/demultiplexer designed for precision signal routing in 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 signal handling and TTL/CMOS-compatible digital inputs make it suitable for audio routing and guidance control interfaces.
For engineers reviewing the DG407DN+T datasheet, DG407DN+T pinout, DG407DN+T application, or DG407DN+T equivalent, key selection criteria include channel-to-channel on-resistance matching, charge injection performance at temperature extremes, leakage current at +85°C, enable timing (tON(EN)/tOFF(EN)), and PLCC-28 package compatibility with high-density PCB layouts.
Technical Context
The DG407DN+T implements a dual independent 8:1 analog switch architecture with separate address decoding (A0–A2) and enable (EN) per section. Each channel conducts bidirectionally with matched RDS(ON) across all eight paths in both sections, ensuring consistent gain and offset in differential or multi-sensor front-ends.
Its internal CMOS transmission-gate design supports rail-to-rail analog signals up to ±20V, with guaranteed low input off-leakage (<5nA at +85°C) and ESD protection >2000V (MIL-STD-883 Method 3015.7). Digital control inputs meet TTL/CMOS voltage thresholds (VAL ≤ 0.8V, VAH ≥ 2.4V), enabling direct interfacing with microcontrollers and FPGAs without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RDS(ON)) | 100Ω max - ensures minimal signal attenuation and gain error in precision sensor or DAC output switching. |
| On-Resistance Matching | 8Ω max - guarantees consistent channel gain across all 8 paths in each section, critical for multi-channel calibration. |
| On-Resistance Flatness | 9Ω max - maintains linear response over full ±10V analog range, reducing harmonic distortion in AC-coupled paths. |
| Charge Injection | 15pC max - limits voltage glitch on sample-and-hold capacitors, preserving ADC accuracy after channel switching. |
| Input Off-Leakage Current | 5nA max at +85°C - minimizes DC error accumulation in high-impedance sensor interfaces and long-hold applications. |
| Supply Range | ±4.5V to ±20V dual or +5V to +30V single - supports industrial ±15V rails and battery-powered +12V systems without external regulation. |
| Enable Turn-On Time | 400ns max - enables fast channel scanning in real-time data acquisition at >1MHz effective sampling rates. |
Pinout & Package
DG407DN+T is housed in a 28-lead PLCC (Plastic Leaded Chip Carrier) package with gull-wing leads, optimized for thermal dissipation and reflow soldering in automated assembly. The package meets RoHS compliance (lead-free) and supports JEDEC-standard land patterns.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DA, DB | Bidirectional analog outputs | Common output nodes for Section A (S1A–S8A) and Section B (S1B–S8B); support simultaneous or independent routing. |
| S1A–S8A, S1B–S8B | Bidirectional analog inputs | 16 total analog channels-eight per section-each capable of sourcing or sinking signal current without polarity restriction. |
| A0, A1, A2 | Binary address inputs | Select one of eight channels per section; decoded internally with no external logic required. |
| EN | Section enable input | Active-high control per section-EN = high enables DA/SxA or DB/SxB routing; low disconnects all paths. |
| V+, V- | Positive/negative supply pins | Power rails for analog switch core; must be biased before logic inputs to prevent latch-up per sequencing guidelines. |
| GND | Ground reference | Signal return for digital control circuitry; isolated from analog substrate (internally tied to V+). |
| N.C. | No internal connection | Pins 2, 3, 13, 14 - unused; must remain unconnected to avoid parasitic coupling or mechanical stress. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog inputs from V− to V+, enabling full utilization of ±15V industrial supplies without clipping. |
| Guaranteed channel matching | ≤8Ω RDS(ON) mismatch between any two channels ensures uniform gain scaling in multi-channel instrumentation. |
| TTL/CMOS-compatible inputs | Direct interface with 3.3V/5V microcontrollers and FPGAs-no level shifters needed for EN, A0–A2. |
| Low power consumption | 1.25mW max at +25°C - reduces self-heating drift in thermally sensitive measurement systems. |
| ESD protection | >2000V HBM - enhances robustness during board handling and system integration in non-cleanroom environments. |
Applications
| Sample-and-Hold Circuits | Test Equipment |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a single high-precision sample-and-hold amplifier prior to ADC conversion. IC Role / Device Role / Timing Role: Dual-section analog switch providing synchronized channel selection and hold-node isolation with minimal charge injection. Use Value: 15pC max charge injection prevents hold-capacitor voltage step errors, maintaining 16-bit ADC linearity across all 16 channels. |
Use Scenario: Automated test fixture routing calibrated reference signals and DUT outputs to shared measurement instruments. IC Role / Device Role / Timing Role: Precision analog mux enabling programmable signal path configuration with <400ns enable timing for high-throughput test sequences. Use Value: 8Ω max on-resistance matching ensures traceable gain accuracy across all 16 test channels, meeting ISO/IEC 17025 calibration requirements. |
| Guidance and Control Systems | Audio Signal Routing |
Use Scenario: Selecting among redundant inertial measurement unit (IMU) analog outputs in flight control electronics. IC Role / Device Role / Timing Role: Fault-tolerant dual 8:1 switch supporting hot-swappable sensor inputs with independent enable control per section. Use Value: -40°C to +85°C operating range and <5nA off-leakage at +85°C ensure reliable signal integrity in avionics environmental conditions. |
Use Scenario: Routing line-level stereo signals between multiple sources (DACs, phono preamps) and outputs (amplifiers, recorders). IC Role / Device Role / Timing Role: Bidirectional analog switch handling ±10V peak audio waveforms with flat on-resistance across frequency. Use Value: 9Ω max on-resistance flatness preserves frequency response flatness from 20Hz–20kHz, avoiding tonal coloration in professional audio paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG407BRUZ | 16-bit compatible, but higher RDS(ON) (120Ω typ), no guaranteed matching spec, 16-TSSOP package. | Limited to lower-precision industrial monitoring where channel matching is not critical. | Choose ADG407BRUZ only if TSSOP footprint and slightly relaxed on-resistance specs are acceptable. |
| MAX4617ESE+ | Dual SPST (not 8:1), 4Ω RDS(ON), but lacks address decoding and requires external logic for multiplexing. | Suitable for simple channel gating, not for addressable multi-input routing. | Use MAX4617ESE+ when discrete switch control is preferred over integrated decoder functionality. |
Compared with DG407DN+T, ADG407BRUZ offers smaller footprint but sacrifices guaranteed matching and flatness specs essential for metrology-grade systems; MAX4617ESE+ provides lower on-resistance but requires external address logic and cannot replace the DG407DN+T's dual 8:1 function without redesign.
Availability
DG407DN+T is available at Aetrix Electronics and suitable for data-acquisition systems, automated test equipment, and aerospace guidance subsystems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DG407DN+T 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 industrial, communications, and computing applications, with emphasis on precision, reliability, and integration.
The DG407DN+T belongs to Maxim's high-accuracy analog multiplexer product line, engineered specifically for applications demanding guaranteed channel matching, low charge injection, and wide-supply operation in harsh environments.
FAQ
What is the maximum allowable supply voltage for DG407DN+T?
The DG407DN+T supports dual supplies from ±4.5V to ±20V and single supplies from +5V to +30V. Absolute maximum ratings specify V+ up to +44V referenced to V−, but operation beyond ±20V or +30V violates datasheet specifications and risks permanent damage. For reliable operation, stay within the rated ranges.
Does DG407DN+T support rail-to-rail analog signal switching?
Yes, DG407DN+T supports rail-to-rail analog signal handling - signals can swing from V− to V+ without clipping or increased distortion. This capability is confirmed in the Electrical Characteristics table under "Analog Signal Range" (±10V min at ±15V supplies) and functional diagrams showing full-range conduction.
Is DG407DN+T pin-compatible with legacy DG407 variants?
Yes, DG407DN+T is a pin-compatible plug-in upgrade for industry-standard DG407 devices, including DG407DJ+, DG407EWI+, and DG407AK. All share identical 28-pin PLCC pinout, address/control logic, and supply connections - no PCB changes are required for migration.
What is the guaranteed charge injection specification for DG407DN+T?
DG407DN+T guarantees charge injection ≤15pC maximum across temperature (−40°C to +85°C), measured per Note 3 in the datasheet. This value is critical for sample-and-hold and switched-capacitor circuit stability, and is verified by design and testing per Maxim's characterization methodology.
How does DG407DN+T handle power supply sequencing?
DG407DN+T requires strict supply sequencing: V+ must be applied first, then V−, followed by logic inputs and analog signals. Violating this order risks latch-up or ESD damage. If sequencing cannot be guaranteed, external blocking diodes (as shown in Figure 1) are recommended - though they reduce analog range by ~1V per rail.
DG407DN+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-PLCC (11.51x11.51)
DG407DN+T FAQ
1.How can I place an order for DG407DN+T through Aetrix?
Please submit a Request for Quotation (RFQ) for DG407DN+T 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 DG407DN+T reliable?
The price and inventory of DG407DN+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DG407DN+T is usually 5 days.
3.What payment methods are accepted for DG407DN+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DG407DN+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DG407DN+T?
DG407DN+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DG407DN+T 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 DG407DN+T?
For technical support, including DG407DN+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DG407DN+T requirements.
6.How does Aetrix verify that DG407DN+T is sourced from the original manufacturer or authorized distributors?
All DG407DN+T 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 DG407DN+T meets industry standards.
7.What is the process for return or replacement of DG407DN+T?
All DG407DN+T units undergo pre-shipment inspection (PSI). If there is an issue with DG407DN+T, 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 DG407DN+T part is unused and in its original packaging.
Return procedure for DG407DN+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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