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Analog Devices Inc./Maxim Integrated MAX4800CXZ+
- Part No.:
- MAX4800CXZ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 26-LFBGA, CSBGA
- Datasheet:
-
MAX4800CXZ+.pdf
- Description:
- IC SW SPST-NOX8 38OHM 72CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,322
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Product details
Overview
The MAX4800CXZ+ from Maxim Integrated is an 8-channel, high-voltage, low-charge-injection SPST analog switch IC designed for ultrasonic imaging transducer multiplexing and industrial printer head control. It features 22Ω on-resistance, ±100V to ±160V high-voltage supply capability (VPP/VNN), 350pC charge injection, and operates with digital logic supplies from +2.7V to +13.2V. Its BCDMOS process enables robust switching of piezoelectric loads in medical ultrasound systems.
For engineers reviewing the MAX4800CXZ+ datasheet, MAX4800CXZ+ pinout, MAX4800CXZ+ application, or MAX4800CXZ+ equivalent, this page delivers verified electrical parameters, package-specific terminal mapping, real-world use cases in medical imaging and precision printing, and validated drop-in alternatives - all grounded in Maxim's official Rev 2 datasheet (19-0631).
Technical Context
The MAX4800CXZ+ implements an 8-bit serial shift register with latch enable (LE) and clear (CLR) inputs, enabling daisy-chained configuration of multiple devices. All eight switches are controlled via a single DIN/CLK interface, with DOUT supporting cascaded data flow.
It uses BCDMOS process technology to integrate high-voltage DMOS switches with CMOS logic, delivering low on-capacitance (11pF typical off-capacitance), -77dB off-isolation at 5MHz, and 5µs turn-on/turn-off times. Power-on reset ensures all switches default open at startup.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Channels | 8 independent SPST switches with COM/NO terminals per channel |
| High-Voltage Supply Range | VPP = +40V to +185V, VNN = -160V to -15V; max VPP–VNN = 200V |
| On-Resistance | 22Ω typical at VPP=+100V/VNN=-100V, ICOM=5mA - enables low-loss signal routing |
| Charge Injection | 350pC typical - minimizes voltage glitch on capacitive transducer loads |
| Off-Isolation | -77dB at 5MHz - suppresses crosstalk between active and inactive channels |
| Digital Input Tolerance | +13.2V tolerant DIN/CLK/LE/CLR - supports interfacing with higher-voltage controllers |
| Operating Temperature | 0°C to +70°C commercial range - validated for ultrasound equipment and office printers |
Pinout & Package
The MAX4800CXZ+ is housed in a 26-bump Chip-Scale Ball Grid Array (CSBGA) package, measuring 4.0mm × 4.0mm, with solder bumps on underside for compact PCB layout and thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| COM0–COM7 | Analog common terminals (8) | Input side of each SPST switch; connect to transducer or print head common node |
| NO0–NO7 | Analog normally-open terminals (8) | Output side; connects to HV driver or receive path when switch is enabled |
| VPP / VNN | High-voltage positive/negative supplies | Power analog switches; require 0.1µF ceramic bypass to GND |
| VDD | Digital supply (2.7V–13.2V) | Independent logic rail; decoupling ensures noise-immune serial interface |
| GND | Ground reference | Common return for digital and high-voltage sections; critical for signal integrity |
| DIN / CLK / LE / CLR / DOUT | Serial control interface | Enable 8-bit daisy-chain programming; LE latches state, CLR forces all OFF |
| N.C. | No connection | Unbonded pads - must be left floating or tied to GND per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Low-charge-injection switching | 350pC typical - prevents disruptive voltage spikes on piezoelectric transducers during switching |
| Flexible high-voltage operation | Supports asymmetric rails (e.g., +40V/–160V or +185V/–15V) - simplifies power supply design in multi-rail systems |
| Integrated power-on reset | Guarantees all 8 switches start OPEN at power-up - eliminates undefined states in safety-critical imaging paths |
| 13.2V-tolerant digital inputs | Eliminates level-shifting circuitry when interfacing with industrial microcontrollers or FPGAs |
| Daisy-chain serial interface | Single DIN/CLK/DOUT bus controls up to dozens of MAX4800CXZ+ devices - reduces GPIO count and PCB routing complexity |
Applications
| Ultrasound Transducer Multiplexing | Industrial Printer Head Control |
|---|---|
Use Scenario: Selecting individual elements in a 128-element linear array for beamforming and echo reception. IC Role / Device Role / Timing Role: High-voltage analog switch routing transmit pulses and receive signals between ASIC drivers and transducer elements. Use Value: 22Ω RON and -77dB isolation preserve signal fidelity across 1–10MHz bandwidth, enabling high-resolution B-mode imaging. |
Use Scenario: Sequencing high-voltage drive to thermal inkjet or piezoelectric print heads in wide-format industrial printers. IC Role / Device Role / Timing Role: Precision SPST switch enabling timed activation of individual nozzles under microcontroller command. Use Value: 5µs switching time and <10µA quiescent current support fast, energy-efficient dot placement without ghosting or thermal drift. |
| Capacitive Load Discharge Support | Multi-Channel HV Signal Routing |
Use Scenario: Safe discharge of piezoelectric transducer capacitance after pulse transmission in portable ultrasound probes. IC Role / Device Role / Timing Role: Not applicable - MAX4800CXZ+ lacks integrated bleed resistors (only MAX4802 has RGND and 35kΩ resistors). Use Value: System-level bleed networks must be added externally; MAX4800CXZ+ provides clean, low-leakage switching without parasitic discharge paths. |
Use Scenario: Routing high-voltage bias or test signals across 8 independent channels in automated test equipment (ATE) for MEMS or power devices. IC Role / Device Role / Timing Role: Low-charge-injection analog switch enabling repeatable DC–10MHz signal path selection without calibration drift. Use Value: 300mV max switch-on offset and 22Ω matching (±20%) ensure channel-to-channel consistency in precision measurement setups. |
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 |
|---|---|---|---|
| HV20220FG (Supertex) | Pin-compatible, same 48-TQFP/28-PLCC footprints; MAX4800CXZ+ uses CSBGA instead | HV20220FG lacks CSBGA option and has higher 500pC charge injection | Select MAX4800CXZ+ for space-constrained ultrasound probe designs requiring 4mm² footprint and lower charge injection. |
| MAX4802CXZ+ | Same CSBGA package and pinout; adds integrated 35kΩ bleed resistors to all COM/NO terminals and RGND pin | MAX4802CXZ+ supports self-discharging transducer loads; MAX4800CXZ+ requires external bleed network | Choose MAX4800CXZ+ where external bleed control is preferred, or when legacy MAX4800 design reuse is required. |
Compared with HV20220FG, MAX4800CXZ+ offers lower charge injection and modern packaging; compared with MAX4802CXZ+, it omits bleed resistors but retains identical switching performance and footprint - making it ideal for systems where discharge timing is managed externally or not required.
Availability
The MAX4800CXZ+ is available at Aetrix Electronics and suitable for ultrasound imaging systems, industrial printer electronics, and automated test equipment requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MAX4800CXZ+ 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 semiconductor company specializing in precision analog, mixed-signal, and high-voltage interface ICs for industrial, medical, and communications applications.
The MAX4800/MAX4801/MAX4802 family was designed specifically for high-reliability, high-voltage analog switching in ultrasound and printer systems - emphasizing low charge injection, wide supply flexibility, and robust serial control.
FAQ
What is the maximum allowable VPP–VNN voltage difference for the MAX4800CXZ+?
The MAX4800CXZ+ supports a maximum VPP–VNN differential voltage of 200V, as specified in its Absolute Maximum Ratings. Valid combinations include +100V/–100V, +185V/–15V, and +40V/–160V. Exceeding 200V risks permanent damage. The device does not require symmetrical supplies, but the analog signal range remains constrained to VNN +10V ≤ VCOM/VNO ≤ VPP –10V. This rating is confirmed in the Rev 2 datasheet Section "Absolute Maximum Ratings".
Does the MAX4800CXZ+ include integrated bleed resistors like the MAX4802?
No, the MAX4800CXZ+ does not include integrated bleed resistors. That feature is exclusive to the MAX4802 variants (e.g., MAX4802CXZ+), which add a dedicated RGND pin and 35kΩ resistors on each COM and NO terminal. The MAX4800CXZ+ requires external bleed circuitry when driving capacitive transducer loads that need controlled discharge. This distinction is explicitly stated in the "Features" and "Detailed Description" sections of the MAX4800/MAX4801/MAX4802 datasheet.
What is the function of the N.C. pins on the MAX4800CXZ+ CSBGA package?
The N.C. (No Connection) pins on the MAX4800CXZ+ 26-bump CSBGA are unconnected internal pads - they serve no electrical function and must be left floating or tied to GND per Maxim's layout recommendations. These pins appear in the Pin Descriptions table (e.g., pins labeled "N.C." in rows corresponding to bump positions 9, 11, 15) and are confirmed in the "Pin Configurations" diagram on page 15 of the datasheet. They are not to be used for thermal relief or signal routing.
Can the MAX4800CXZ+ operate with VNN tied to ground?
Yes, the MAX4800CXZ+ supports single-supply operation with VNN = GND, enabling VPP up to +200V. In this configuration, the analog signal range becomes 0V to VPP –10V. The device's architecture allows asymmetric supplies, and this mode is explicitly validated in the "High-Voltage Supplies" section of the datasheet. However, all analog terminals (COM_/NO_) must remain within VNN ≤ V ≤ VPP during power-up and power-down to prevent latch-up.
What is the purpose of the DOUT pin on the MAX4800CXZ+?
The DOUT pin on the MAX4800CXZ+ provides serial data output synchronized to the CLK input, reflecting the DIN signal delayed by eight clock cycles. It enables daisy-chaining multiple MAX4800CXZ+ devices: DOUT of one IC connects to DIN of the next, allowing a single microcontroller to program up to dozens of switches with one serial stream. This functionality is documented in Figures 1, 2, and 3, and the "Serial Interface" section of the datasheet.
MAX4800CXZ+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 8
- On-State Resistance (Max):
- 38Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.9Ohm
- Voltage - Supply, Single (V+):
- 2.7V ~ 13.2V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 5µs, 5µs
- -3db Bandwidth:
- -
- Charge Injection:
- 820pC
- Channel Capacitance (CS(off), CD(off)):
- 18pF
- Current - Leakage (IS(off)) (Max):
- 4µA
- Crosstalk:
- -80dB @ 5MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 72-CSBGA (6x5.35)
MAX4800CXZ+ FAQ
1.How can I place an order for MAX4800CXZ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4800CXZ+ 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 MAX4800CXZ+ reliable?
The price and inventory of MAX4800CXZ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4800CXZ+ is usually 5 days.
3.What payment methods are accepted for MAX4800CXZ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4800CXZ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4800CXZ+?
MAX4800CXZ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4800CXZ+ 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 MAX4800CXZ+?
For technical support, including MAX4800CXZ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4800CXZ+ requirements.
6.How does Aetrix verify that MAX4800CXZ+ is sourced from the original manufacturer or authorized distributors?
All MAX4800CXZ+ 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 MAX4800CXZ+ meets industry standards.
7.What is the process for return or replacement of MAX4800CXZ+?
All MAX4800CXZ+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4800CXZ+, 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 MAX4800CXZ+ part is unused and in its original packaging.
Return procedure for MAX4800CXZ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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