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Renesas HI9P0547-9Z96
- Part No.:
- HI9P0547-9Z96
- Manufacturer:
- Renesas
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
HI9P0547-9Z96.pdf
- Description:
- IC MUX DUAL 8:1 1.8KOHM 28SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,173
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Product details
Overview
HI9P0547-9Z96 from Intersil is an 8-channel differential analog multiplexer with active overvoltage protection, fabricated in 44V dielectrically isolated CMOS technology. It supports ±15V analog signal range, guarantees rON matching ≤7%, and features break-before-make switching with 500ns typical access time. It is designed for fault-tolerant data acquisition systems where analog inputs originate from externally powered equipment.
For engineers reviewing the HI9P0547-9Z96 datasheet, HI9P0547-9Z96 pinout, HI9P0547-9Z96 application, or HI9P0547-9Z96 equivalent, key selection criteria include its ±33V overvoltage tolerance on analog inputs, differential channel isolation, guaranteed rON matching, SOIC-28 package compatibility, and -40°C to +85°C industrial temperature range.
Technical Context
The HI9P0547-9Z96 implements a decoder/driver architecture with integrated level shifters and overvoltage clamp circuitry that maintains signal fidelity during ±33V input faults. Its 44V absolute maximum supply rating enables operation with ±15V rails while sustaining continuous 70VP-P analog signals without damage.
Each differential channel pair (e.g., IN1A/IN1B) is protected by independent 1kΩ current-limiting paths under supply loss, and digital inputs tolerate faults up to 4V beyond either supply rail. The device uses CMOS-DI process with 253 transistors and nitride-over-silox passivation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Channels | 8 differential pairs (16 total inputs), enabling simultaneous routing of balanced signals |
| Analog Signal Range | ±15V - supports full-rail operation with standard bipolar supplies |
| Overvoltage Protection | ±33V on analog inputs - prevents latch-up or damage when interfacing with external instrumentation |
| rON Matching | ≤7% ΔrON - ensures consistent gain and minimal crosstalk in precision measurement paths |
| Access Time | 500ns typical - enables high-speed channel scanning in real-time control loops |
| Power Dissipation | 7.5mW typical - allows dense placement in thermally constrained industrial modules |
| Supply Voltage Range | ±15V (max ±22V/∓25V) - compatible with legacy industrial power architectures |
Pinout & Package
HI9P0547-9Z96 is housed in a 28-lead SOIC package (JEDEC MS-013-AE, M28.3 outline), 7.4mm × 18.1mm body, 1.27mm lead pitch, with matte tin termination (RoHS compliant).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 28 | +VSUPPLY, -VSUPPLY | Primary bipolar power rails; must be decoupled locally to maintain noise immunity |
| 2, 27 | OUT B, OUT A | Differential output terminals - routed as a matched pair to preserve common-mode rejection |
| 3–10, 19–26 | IN1B–IN8B, IN1A–IN8A | Eight differential analog input pairs - each pair shares identical rON and leakage specs |
| 11, 16 | GND, VREF | Ground reference and optional logic-level reference; VREF sets TTL/CMOS threshold for address inputs |
| 12–14 | A0, A1, A2 | 3-bit binary address lines - select one of eight differential channel pairs |
| 15 | ENABLE | Active-high enable - disables all switches and reduces standby current to <1μA |
| 17, 18 | NC, NC | No-connect pins - left unconnected per design; no internal function or routing |
Key Features
| Feature | Design Value |
|---|---|
| Active Overvoltage Protection | ±33V fault tolerance on analog inputs preserves integrity during sensor disconnects or wiring errors |
| No Channel Interaction During Fault | Unselected channels remain fully isolated - critical for multi-sensor systems with shared backplanes |
| Break-Before-Make Switching | 80ns minimum tOPEN prevents momentary shorting between differential pairs during channel changes |
| Digital Input Fault Tolerance | Inputs withstand continuous voltage up to (V-) −4V or (V+) +4V - eliminates need for external clamping diodes |
| Guaranteed rON Matching | ≤7% variation across all 8 channels - enables accurate ratio-metric measurements without calibration |
Applications
| Industrial Data Acquisition | High-Voltage Sensor Interface |
|---|---|
Use Scenario: Multiplexing outputs from eight isolated current-loop transmitters (4–20mA) into a single ADC front-end. IC Role / Device Role / Timing Role: Differential analog mux providing channel selection and overvoltage isolation between field sensors and central controller. Use Value: Withstands ±33V transients induced by motor drives or lightning surges, preventing system shutdown during factory floor faults. | Use Scenario: Routing differential outputs from ±10V strain gauge bridges in structural health monitoring systems. IC Role / Device Role / Timing Role: Precision analog switch maintaining matched rON and low leakage (<50nA) to preserve bridge balance and measurement resolution. Use Value: ≤7% rON matching ensures consistent gain across all eight channels, eliminating per-channel calibration in embedded firmware. |
| Medical Diagnostic Equipment | Test & Measurement Instrumentation |
Use Scenario: Selecting among eight differential ECG electrode pairs in portable patient monitors. IC Role / Device Role / Timing Role: Fault-protected analog multiplexer ensuring patient safety and signal integrity during lead disconnection events. Use Value: Active overvoltage clamps limit fault current to <4nA at ±33V, meeting IEC 60601-1 leakage current requirements for Class BF devices. | Use Scenario: Channel switching in automated test equipment (ATE) for validating multi-channel power supply outputs. IC Role / Device Role / Timing Role: High-speed differential mux with 500ns access time enabling sub-microsecond channel sequencing in production test cycles. Use Value: Break-before-make architecture prevents cross-talk between DUT power rails during dynamic reconfiguration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG508FBRZ | Single-ended 8-channel, no differential outputs; ±15V rating but only ±20V overvoltage tolerance | Lacks differential channel pairing and guaranteed rON matching; suited for non-ratiometric, lower-precision systems | Select only if differential signaling is unnecessary and ±20V fault margin suffices |
| MAX398CPE+ | Single-ended 8-channel, no overvoltage protection; requires external clamps for >±12V operation | Higher on-resistance (100Ω typ), no rON matching spec; limited to benign lab environments | Choose only for cost-sensitive, low-fault-risk benchtop instruments with tight layout control |
Compared with ADG508FBRZ and MAX398CPE+, the HI9P0547-9Z96 uniquely delivers differential channel architecture, ±33V overvoltage protection, and ≤7% rON matching - making it the sole option for industrial-grade, fault-tolerant differential multiplexing in harsh environments.
Availability
HI9P0547-9Z96 is available at Aetrix Electronics and suitable for industrial data acquisition, high-voltage sensor interface, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for HI9P0547-9Z96 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
Intersil Corporation is a provider of precision analog and power management solutions, now part of Renesas Electronics, with expertise in high-reliability industrial and aerospace components.
The HI-547 family was designed specifically for fault-tolerant analog signal routing in systems where external sensors or separately powered subsystems introduce unpredictable overvoltage conditions.
FAQ
What is the maximum analog overvoltage the HI9P0547-9Z96 can sustain without damage?
The HI9P0547-9Z96 sustains continuous ±33V analog overvoltage relative to its supply rails, verified per datasheet Note 4. This protection remains active even during supply loss, with each input presenting 1kΩ resistance to limit fault current. The HI9P0547-9Z96 achieves this via integrated clamp circuitry and dielectric isolation, distinguishing it from standard muxes lacking active protection.
Does the HI9P0547-9Z96 support true differential switching, and how is channel selection implemented?
Yes, the HI9P0547-9Z96 provides eight independent differential channel pairs (IN1A/IN1B through IN8A/IN8B), each routed to dedicated OUT A and OUT B terminals. Selection is controlled by three address lines (A0–A2) and an active-high ENABLE pin, with truth table-defined mapping per datasheet page 4. The HI9P0547-9Z96 does not share output paths - each selected pair drives its own differential output node.
What is the guaranteed rON matching specification for the HI9P0547-9Z96, and why does it matter in precision applications?
The HI9P0547-9Z96 guarantees ΔrON ≤7% across any two channels at 25°C, per datasheet page 9. This matching ensures uniform gain and minimal offset error when measuring ratiometric signals (e.g., bridge sensors), eliminating per-channel calibration in high-accuracy data acquisition systems. The HI9P0547-9Z96 achieves this via matched transistor sizing and dielectric isolation process control.
Can the HI9P0547-9Z96 operate with logic-level signals referenced to 3.3V or 5V, and what role does the VREF pin serve?
The HI9P0547-9Z96 accepts TTL/CMOS logic levels: VAL = 0.8V max, VAH = 4.0V min. The VREF pin sets the threshold for address/enable inputs - left open for standard TTL drive, or tied to logic-high voltage (e.g., 5V) when driving from higher-threshold sources. The HI9P0547-9Z96 does not require VREF for basic operation but uses it to optimize noise immunity in mixed-voltage systems.
Is the HI9P0547-9Z96 pin-compatible with other members of the HI-54x family, such as the HI9P0546-9Z96?
No, the HI9P0547-9Z96 is not pin-compatible with HI9P0546-9Z96. While both use 28-lead SOIC packages, their pinouts differ significantly: HI9P0547-9Z96 dedicates pins 2 and 27 to differential outputs (OUT B, OUT A) and allocates 16 pins to differential inputs, whereas HI9P0546-9Z96 uses pin 28 for single-ended OUT and pins 3–18 for 16 single-ended inputs. The HI9P0547-9Z96 requires unique PCB layout per its functional diagram on datasheet page 4.
HI9P0547-9Z96 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 1.8kOhm
- Channel-to-Channel Matching (ΔRon):
- 126Ohm
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- ±15V
- Switch Time (Ton, Toff) (Max):
- 300ns, 300ns
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 10pF, 30pF
- Current - Leakage (IS(off)) (Max):
- 30pA (Typ)
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-SOIC
HI9P0547-9Z96 FAQ
1.How can I place an order for HI9P0547-9Z96 through Aetrix?
Please submit a Request for Quotation (RFQ) for HI9P0547-9Z96 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 HI9P0547-9Z96 reliable?
The price and inventory of HI9P0547-9Z96 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HI9P0547-9Z96 is usually 5 days.
3.What payment methods are accepted for HI9P0547-9Z96?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HI9P0547-9Z96 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HI9P0547-9Z96?
HI9P0547-9Z96 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HI9P0547-9Z96 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 HI9P0547-9Z96?
For technical support, including HI9P0547-9Z96 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HI9P0547-9Z96 requirements.
6.How does Aetrix verify that HI9P0547-9Z96 is sourced from the original manufacturer or authorized distributors?
All HI9P0547-9Z96 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 HI9P0547-9Z96 meets industry standards.
7.What is the process for return or replacement of HI9P0547-9Z96?
All HI9P0547-9Z96 units undergo pre-shipment inspection (PSI). If there is an issue with HI9P0547-9Z96, 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 HI9P0547-9Z96 part is unused and in its original packaging.
Return procedure for HI9P0547-9Z96:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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