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Renesas HI1-0548-5
- Part No.:
- HI1-0548-5
- Manufacturer:
- Renesas
- Package:
- 16-CDIP (0.300", 7.62mm)
- Datasheet:
-
HI1-0548-5.pdf
- Description:
- IC MUX 8:1 1.8KOHM 16CERDIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,470
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Product details
Overview
HI1-0548-5 from Intersil is a single 8-channel CMOS analog multiplexer with active overvoltage protection, ±15V analog signal range, guaranteed rON matching (±7%), and break-before-make switching. It operates across 0°C to 75°C and is used in industrial data acquisition systems where external analog sources may exceed supply rails.
For engineers reviewing the HI1-0548-5 datasheet, HI1-0548-5 pinout, HI1-0548-5 application, or HI1-0548-5 equivalent, this device is selected for fault-tolerant analog signal routing in telemetry front-ends, programmable logic controller I/O modules, and high-reliability test equipment requiring channel isolation under ±33V overvoltage conditions.
Technical Context
The HI1-0548-5 integrates dielectrically isolated CMOS (CMOS-DI) process technology with on-chip overvoltage clamps that limit input current to ≤4nA at ±33V overvoltage while maintaining 1kΩ fault resistance per channel. Its decoder/driver architecture supports 3-bit address decoding (A0–A2) and enables one of eight analog inputs to connect to a common output.
Signal integrity is preserved via level-shifted digital inputs referenced to VREF, low off-capacitance (25pF), and <0.1pF input-to-output capacitance. The device features TTL-compatible control inputs (VAL = 0.8V, VAH = 4.0V) and draws only 7.5mW typical standby power at ±15V supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Channels | Single-ended 8-channel; enables one input to output per address cycle |
| Analog Signal Range | ±15V; supports full-rail operation with no clipping across industrial voltage standards |
| Overvoltage Protection | ±33V continuous; prevents damage or signal path disturbance when inputs exceed ±15V supplies |
| On Resistance (rON) | 1.5 kΩ typical at ±15V/25°C; matched within ±7% between any two channels for precision gain/offset tracking |
| Access Time | 500 ns typical; ensures sub-microsecond channel switching for high-speed sampling systems |
| Off Isolation | 68 dB at 100 kHz; minimizes crosstalk between unselected channels in multi-sensor monitoring |
| Supply Voltage Range | ±15V maximum; compatible with standard bipolar op-amp and ADC reference rails |
Pinout & Package
HI1-0548-5 is supplied in a 16-lead PDIP package (Package Drawing E16.3), 0°C to 75°C temperature range, Pb-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | Analog Inputs IN1–IN8 | High-impedance, overvoltage-protected signal entry points; each withstands ±33V continuously |
| 9 | A0 | LSB address bit; selects channel pair (e.g., A2A1A0 = 000 → IN1, 001 → IN2) |
| 10 | A1 | Middle address bit; decodes 3-bit binary input to select one of eight channels |
| 11 | A2 | MSB address bit; completes 3-bit channel selection with A0 and A1 |
| 12 | ENABLE | Active-high enable; disables all switches and places output in high-Z state when low |
| 13 | OUT | Common analog output node; routed from selected INx with <25pF off-capacitance |
| 14 | GND | Digital/analog reference ground; separate from power supply return paths |
| 15 | +VSUPPLY | Positive analog supply rail; must be ≥0V and ≤+22V relative to GND |
| 16 | -VSUPPLY | Negative analog supply rail; must be ≤0V and ≥-25V relative to GND |
Key Features
| Feature | Design Value |
|---|---|
| Active Overvoltage Protection | Clamps ±33V faults to <4nA leakage while preserving 1kΩ channel isolation during supply loss |
| Guaranteed rON Matching | ΔrON ≤7% across all 8 channels ensures consistent gain scaling in multi-channel instrumentation |
| Break-Before-Make Switching | 80 ns minimum tOPEN prevents momentary shorting between channels during address transitions |
| Low Off Capacitance | 25 pF typical CD(OFF); reduces high-frequency crosstalk and settling time in wideband applications |
| TTL-Compatible Digital Interface | VAL = 0.8V / VAH = 4.0V thresholds allow direct connection to microcontroller GPIO without level shifters |
Applications
| Data Acquisition Front-End | Programmable Logic Controller I/O Module |
|---|---|
|
Use Scenario: Multiplexing sensor signals (thermocouples, strain gauges) from field-mounted transmitters into a shared ADC channel. IC Role / Device Role / Timing Role: Analog signal router with fault tolerance; handles ±33V transients induced by lightning or ground loops. Use Value: Eliminates need for external protection diodes and discrete multiplexing circuitry, reducing BOM count and PCB area by >30%. |
Use Scenario: Routing analog outputs from multiple PID controllers to a central HMI display or recorder. IC Role / Device Role / Timing Role: Precision channel selector with matched rON; maintains consistent loop gain across all controlled zones. Use Value: Enables single ADC to monitor eight independent control loops without calibration drift due to switch mismatch. |
| Telemetry System Input Stage | Automated Test Equipment Signal Path |
|
Use Scenario: Conditioning and selecting analog telemetry signals from remote substations or oilfield sensors operating on separate power domains. IC Role / Device Role / Timing Role: Isolating analog inputs from supply faults; presents 1kΩ resistance during -VSUPPLY loss to prevent source loading. Use Value: Prevents system-wide failure when one sensor's power supply fails-other channels remain fully operational. |
Use Scenario: Configurable signal routing between DUT analog ports and measurement instruments (DMM, oscilloscope) in benchtop ATE. IC Role / Device Role / Timing Role: Low-crosstalk, fast-switching multiplexer; 68 dB off-isolation avoids interference between simultaneous measurements. Use Value: Supports concurrent multi-point testing without reconfiguration delays, improving throughput by ~22% versus relay-based alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG508A | No active overvoltage protection; max analog input = ±16.5V; rON matching not guaranteed | Suitable only in benign environments with external clamping; requires additional protection components | Select when cost sensitivity outweighs fault tolerance requirements and board space allows external TVS diodes |
| MAX306CPI+ | Higher rON (450 Ω typical); ±15V rating but no specified overvoltage clamp; 16-channel variant available | Better suited for low-voltage, low-power portable instrumentation; lacks HI1-0548-5's ±33V survivability | Prefer for battery-powered devices where supply headroom is limited and transient exposure is minimal |
Compared with ADG508A and MAX306CPI+, HI1-0548-5 delivers unique value in harsh industrial settings through integrated ±33V overvoltage clamping, guaranteed rON matching, and 1kΩ fail-safe channel impedance-features absent in both alternatives without added external circuitry.
Availability
HI1-0548-5 is available at Aetrix Electronics and suitable for data acquisition, industrial controls, and telemetry requiring stable component supply across extended temperature ranges and high-reliability analog signal routing.
Supply support for HI1-0548-5 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 precision analog and power management semiconductor provider, now part of Renesas Electronics, with expertise in high-reliability industrial and aerospace solutions.
The HI-548 product line was designed specifically for fault-tolerant analog signal routing in mission-critical systems where external sensors or legacy equipment may impose overvoltage stress beyond supply rails.
FAQ
What is the maximum overvoltage the HI1-0548-5 can withstand without damage?
The HI1-0548-5 withstands continuous ±33V analog overvoltage relative to its ±15V supplies. This is verified per datasheet Note 4 and Figure 3A, where analog input current remains below 4nA at ±33V. The device sustains this condition without latch-up or parametric shift, making HI1-0548-5 suitable for interfacing with externally powered field instruments.
Does the HI1-0548-5 require an external VREF connection?
No, the HI1-0548-5 does not require an external VREF connection for normal operation. The VREF pin is internally biased and left open-circuit per datasheet test conditions (page 8). External VREF is only needed when driving from logic levels above 6V, which is not applicable to standard TTL/CMOS control signals used with HI1-0548-5.
What is the thermal resistance (θJA) of the HI1-0548-5 in its PDIP package?
The HI1-0548-5 in the 16-lead PDIP package has a typical junction-to-ambient thermal resistance (θJA) of 90°C/W, as specified in the Absolute Maximum Ratings table (page 8). This value assumes mounting on a standard evaluation PCB in free air and defines the safe power dissipation limit under worst-case ambient conditions.
Can the HI1-0548-5 operate with asymmetric supply voltages such as +12V/–5V?
No, the HI1-0548-5 requires symmetric ±V supplies per datasheet Absolute Maximum Ratings: V+ to GND ≤ +22V and V– to GND ≥ –25V, but the differential V+ to V– must not exceed +44V. Asymmetric operation violates the ±15V analog signal range specification and risks exceeding internal bias limits; HI1-0548-5 is characterized and guaranteed only for ±15V dual supplies.
Is the HI1-0548-5 pin-compatible with other members of the HI-546/547/549 family?
No, the HI1-0548-5 is not pin-compatible with HI-546, HI-547, or HI-549. Its 16-pin PDIP layout (page 3, HI-548 top view) differs from the 28-pin packages of HI-546/HI-547 and the differential-input pinout of HI-549. Pin compatibility is explicitly precluded by distinct pin counts, signal assignments (e.g., no A3 or differential OUT A/B), and package drawings (E16.3 vs E28.6/F28.6).
HI1-0548-5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- 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 (Typ)
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 10pF, 25pF
- Current - Leakage (IS(off)) (Max):
- 30pA (Typ)
- Crosstalk:
- -
- Operating Temperature:
- 0°C ~ 75°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-CERDIP
HI1-0548-5 FAQ
1.How can I place an order for HI1-0548-5 through Aetrix?
Please submit a Request for Quotation (RFQ) for HI1-0548-5 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 HI1-0548-5 reliable?
The price and inventory of HI1-0548-5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HI1-0548-5 is usually 5 days.
3.What payment methods are accepted for HI1-0548-5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HI1-0548-5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HI1-0548-5?
HI1-0548-5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HI1-0548-5 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 HI1-0548-5?
For technical support, including HI1-0548-5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HI1-0548-5 requirements.
6.How does Aetrix verify that HI1-0548-5 is sourced from the original manufacturer or authorized distributors?
All HI1-0548-5 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 HI1-0548-5 meets industry standards.
7.What is the process for return or replacement of HI1-0548-5?
All HI1-0548-5 units undergo pre-shipment inspection (PSI). If there is an issue with HI1-0548-5, 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 HI1-0548-5 part is unused and in its original packaging.
Return procedure for HI1-0548-5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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