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Analog Devices Inc./Maxim Integrated MAX14803CCM+TG5E
- Part No.:
- MAX14803CCM+TG5E
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 48-LQFP
- Datasheet:
-
MAX14803CCM+TG5E.pdf
- Description:
- IC SW SPST-NOX16 48OHM 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,481
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Product details
Overview
The MAX14803CCM+TG5E from Maxim Integrated is a 16-channel, high-voltage analog SPST switch IC designed for ultrasound imaging probe and industrial printer signal routing. It delivers low-charge-injection (350–820 pC), 16-bit serial control, integrated 35 kΩ bleed resistors per terminal, ±100V/0V to +250V VPP–VNN operation, and operates over 0°C to +70°C in a 48-pin LQFP package.
For engineers reviewing the MAX14803CCM+TG5E datasheet, MAX14803CCM+TG5E pinout, MAX14803CCM+TG5E application, or MAX14803CCM+TG5E equivalent, key selection criteria include high-voltage analog switching capability, daisy-chainable 20 MHz serial interface, on-resistance matching (<5%), off-isolation (–77 dB at 5 MHz), and integrated bleed resistors for capacitive load discharge in medical transducer arrays.
Technical Context
The MAX14803CCM+TG5E implements a 16-bit shift register with transparent latch, enabling precise per-channel ON/OFF control via DIN/CLK/LE/CLR digital interface operating from +2.7V to +5.5V VDD. Its HVCMOS process supports analog signal ranges from VNN to min(VNN + 200V, VPP – 10V) with clamping diodes on COM_ terminals for positive overshoot protection.
Each of the 16 SPST switches features matched on-resistance (ΔRONS ≤ 5%), low off-capacitance (4–18 pF), and fast switching (tON/tOFF = 2–3.5 µs at ±100V). The integrated 35 kΩ bleed resistors-exclusive to MAX14803/MAX14803A variants-discharge piezoelectric transducer capacitance between transmit pulses, reducing settling time and improving image fidelity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VPP–VNN Supply Range | Up to 250 V differential; enables ±100V, +200V/0V, or +40V/–160V configurations for flexible HV system design |
| On-Resistance (RONS) | 16–48 Ω typical; ensures minimal signal attenuation and power loss in high-current transmit paths |
| Charge Injection | 350–820 pC; maintains baseline stability in precision ultrasound receive chains and avoids DC offset drift |
| Off-Isolation | –77 dB at 5 MHz (RL = 50 Ω); prevents crosstalk between adjacent channels during multi-element beamforming |
| Serial Interface Speed | 20 MHz max CLK (at VDD = 5V); supports rapid reconfiguration of all 16 switches within <1 µs |
| Bleed Resistor Value | 35 kΩ per COM_/NO_ terminal; actively discharges transducer capacitance to reduce dead time between pulses |
| Logic Supply Range | +2.7V to +5.5V VDD; compatible with standard 3.3V or 5V microcontroller I/O without level-shifting |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm), RoHS-compliant, thermal resistance θJA = 44°C/W (four-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| COM0–COM15, NO0–NO15 | 16 × SPST analog switch terminals | High-voltage common/normally-open nodes rated for ±100V operation and 3 A peak current per channel |
| VPP / VNN | Positive/negative high-voltage supplies | Independent bias rails supporting asymmetric configurations (e.g., +40V/–160V); require 0.1 µF ceramic bypassing |
| VDD / GND | Digital logic supply and reference | Separate 2.7–5.5 V domain isolates control logic from HV noise; decoupling critical for timing integrity |
| DIN / CLK / LE / CLR / DOUT | Serial interface control and data | Standard SPI-like 16-bit daisy-chain interface; LE latches data to update switches; CLR forces all OFF state |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 35 kΩ bleed resistors | Discharges piezoelectric transducer capacitance between transmit pulses, reducing settling time and improving frame rate |
| Clamping diodes on COM_ terminals | Protects downstream circuitry from positive voltage overshoot up to VPP + 0.3 V during switching transients |
| Low-charge-injection architecture | Minimizes baseline shift in sensitive ultrasound receive paths, preserving dynamic range and SNR |
| Daisy-chainable 16-bit serial interface | Enables scalable channel expansion (e.g., 64+ switches) using single MCU SPI port with no additional GPIO overhead |
| Power-on reset (POR) | Guarantees all 16 switches start OPEN at power-up, preventing unintended HV connection during boot |
Applications
| Ultrasound Probe Multiplexing | Industrial High-Voltage Printer Head Control |
|---|---|
Use Scenario: Routing high-voltage excitation pulses across 64–128 piezoelectric elements in phased-array ultrasound probes. IC Role / Device Role / Timing Role: 16-channel SPST switch providing per-element transmit path selection with sub-microsecond switching and charge injection control. Use Value: Enables compact probe designs with reduced cable count and eliminates mechanical relays, improving reliability and acoustic performance. | Use Scenario: Driving electrostatic print heads requiring precise ±100V pulse sequencing in high-speed industrial printers. IC Role / Device Role / Timing Role: High-voltage analog switch managing voltage polarity and timing for individual print nozzle activation. Use Value: Supports >20 kHz switching frequency with low off-capacitance (≤18 pF), minimizing ghosting and improving dot placement accuracy. |
| Medical Imaging Beamformer Front-End | Capacitive Load Discharge System |
Use Scenario: Isolating and selecting transmit/receive paths in mainframe ultrasound beamformers with multiple probe interfaces. IC Role / Device Role / Timing Role: High-isolation (–77 dB @ 5 MHz) analog switch ensuring channel-to-channel crosstalk remains below –80 dB during simultaneous receive. Use Value: Maintains beamforming accuracy and spatial resolution by suppressing inter-channel interference in dense array systems. | Use Scenario: Active discharge of high-voltage capacitive loads (e.g., piezo stacks, HV filters) between operational cycles. IC Role / Device Role / Timing Role: Integrated 35 kΩ bleed resistor per terminal provides controlled, predictable discharge without external components. Use Value: Eliminates need for discrete bleed networks, reduces PCB area by >30%, and improves thermal stability in sealed modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage analog switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX14802CCM+ | No integrated bleed resistors; identical pinout, timing, and HV specs; lower quiescent current (0 µA IPPQ vs. 10 µA) | Suitable where external discharge circuits exist or transducer capacitance is low; not ideal for fast-repetition-rate ultrasound | Select MAX14802CCM+ when bleed resistors are unnecessary and lowest possible HV supply current is required. |
| MAX14803AEWZ+ | 110-bump WLP package; extended –40°C to +85°C temp range; same bleed resistors and electrical specs | Targeted at space-constrained, wide-temp industrial or portable medical devices; requires different PCB layout and reflow profile | Choose MAX14803AEWZ+ for compact, ruggedized designs needing wider temperature operation and smaller footprint. |
Compared with MAX14802CCM+, the MAX14803CCM+TG5E adds integrated bleed resistors for autonomous capacitive discharge-critical for ultrasound frame rate-but trades slightly higher HV supply current. Versus MAX14803AEWZ+, it offers commercial-temp LQFP compatibility with established assembly processes, avoiding WLP handling complexity.
Availability
The MAX14803CCM+TG5E is available at Aetrix Electronics and suitable for ultrasound imaging systems, industrial printer head drivers, medical beamformer front-ends, and capacitive load discharge subsystems requiring stable component supply and long-term production continuity.
Supply support for MAX14803CCM+TG5E 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 high-voltage ICs for medical, industrial, and communications applications.
The MAX14803CCM+TG5E belongs to Maxim's high-voltage analog switch product line, engineered specifically for ultrasound probe multiplexing and industrial HV signal routing where low charge injection, fast switching, and integrated bleed functionality are essential.
FAQ
What is the maximum VPP–VNN voltage rating for the MAX14803CCM+TG5E?
The MAX14803CCM+TG5E supports a maximum VPP–VNN differential voltage of 250 V, validated for configurations including +100V/–100V, +200V/0V, and +40V/–160V. This rating is specified in the Absolute Maximum Ratings table and confirmed across all operating conditions for the MAX14803CCM+TG5E variant.
Does the MAX14803CCM+TG5E include integrated bleed resistors?
Yes, the MAX14803CCM+TG5E includes integrated 35 kΩ bleed resistors on each COM_ and NO_ terminal-this is a defining feature distinguishing it from the MAX14802 series and confirmed in the General Description, Functional Diagram, and Ordering Information sections of the official datasheet.
What is the operating temperature range for the MAX14803CCM+TG5E?
The MAX14803CCM+TG5E is specified for the commercial temperature range of 0°C to +70°C, as explicitly stated in the Ordering Information table and Pin Configurations section of the datasheet. This applies to the CCM+ suffix variant in the 48-pin LQFP package.
Can the MAX14803CCM+TG5E be daisy-chained with other devices?
Yes, the MAX14803CCM+TG5E supports daisy-chaining via its DOUT pin, which outputs shifted data delayed by 16 clock cycles. This allows cascading multiple MAX14803CCM+TG5E (or MAX14802/MAX14803A) devices using a single SPI bus, as detailed in Figure 3 and Applications Information of the datasheet.
What is the typical on-resistance of the MAX14803CCM+TG5E at +100V/–100V supply?
At VPP = +100V, VNN = –100V, and ICOM_ = 5 mA, the typical on-resistance (RONS) of the MAX14803CCM+TG5E is 22 Ω, with a maximum of 30 Ω. This value is measured under standard test conditions and appears in the Electrical Characteristics table on page 2 of the datasheet.
MAX14803CCM+TG5E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 16
- On-State Resistance (Max):
- 48Ohm
- Channel-to-Channel Matching (ΔRon):
- 2.4Ohm
- Voltage - Supply, Single (V+):
- 40V ~ 250V
- Voltage - Supply, Dual (V±):
- ±160V
- Switch Time (Ton, Toff) (Max):
- 3.5µs, 3.5µs
- -3db Bandwidth:
- 20MHz
- Charge Injection:
- 820pC
- Channel Capacitance (CS(off), CD(off)):
- 11pF
- Current - Leakage (IS(off)) (Max):
- 2µA
- Crosstalk:
- -80dB @ 5MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-LQFP (7x7)
MAX14803CCM+TG5E FAQ
1.How can I place an order for MAX14803CCM+TG5E through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14803CCM+TG5E 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 MAX14803CCM+TG5E reliable?
The price and inventory of MAX14803CCM+TG5E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14803CCM+TG5E is usually 5 days.
3.What payment methods are accepted for MAX14803CCM+TG5E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14803CCM+TG5E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14803CCM+TG5E?
MAX14803CCM+TG5E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14803CCM+TG5E 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 MAX14803CCM+TG5E?
For technical support, including MAX14803CCM+TG5E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14803CCM+TG5E requirements.
6.How does Aetrix verify that MAX14803CCM+TG5E is sourced from the original manufacturer or authorized distributors?
All MAX14803CCM+TG5E 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 MAX14803CCM+TG5E meets industry standards.
7.What is the process for return or replacement of MAX14803CCM+TG5E?
All MAX14803CCM+TG5E units undergo pre-shipment inspection (PSI). If there is an issue with MAX14803CCM+TG5E, 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 MAX14803CCM+TG5E part is unused and in its original packaging.
Return procedure for MAX14803CCM+TG5E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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