HA4-5002/883 - 110MHz Wideband Buffer Amplifier | Renesas
MPN: HA4-5002/883 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $24.95 | $249.50 |
| 100 | $21.5 | $2,150.00 |
| 500 | $18.75 | $9,375.00 |
| 1,000 | $16.4 | $16,400.00 |
HA4-5002/883 Overview
A buffer amplifier (also called a unity-gain follower or current buffer) is a special-purpose analog building block placed between a high-impedance source and a low-impedance load. Buffers provide current gain without voltage gain, isolating upstream stages from load-induced disturbances such as cable capacitance, ADC input charge kickback, or laser diode nonlinear loading. In the broader taxonomy, the HA-5002 sits in the signal-chain hierarchy: sensor/transducer -> buffer -> ADC or driver -> downstream load. Buffer amplifiers complement operational amplifiers, which typically cannot source/sink the high peak currents needed for fast-settling, high-capacitance applications.
Key features of the HA4-5002/883 include wideband 110 MHz operation, 1300 V/µs typical slew rate, ±100 mA minimum output current, 3 Ω output impedance, dielectric-isolation process for low parasitic latch-up susceptibility, and MIL-STD-883 Class B processing for high-reliability environments. The combination of speed and output drive makes it a classic choice for driving analog signals through long cables, laser diodes, and high-capacitance loads.
Internally, the HA-5002 uses a complementary bipolar output stage with dielectric isolation, which prevents the substrate-junction latch-up common in junction-isolated high-current buffers. The wideband design uses local feedback and feedforward compensation paths that allow the closed-loop buffer to maintain flat gain and low distortion well past 10 MHz, even when driving 50 Ω or 100 Ω transmission lines.
Typical applications include coaxial cable drivers, ADC front-end buffers, laser diode drivers, video line drivers, ATE (automatic test equipment) pin electronics, and reference buffers in precision instrumentation. Its MIL-STD-883 qualification also makes it suitable for avionics, missile guidance, and space-grade subsystems where commercial-grade plastic op amps are unacceptable.
When designing with the HA4-5002/883, observe the thermal limitations of the 20-CLCC package: continuous ±100 mA output into a low impedance load produces noticeable self-heating, and supply bypassing must be placed immediately at the supply pins to sustain the high slew rate without ringing.
This page synthesizes distributor pricing, drop-in and pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and design engineers quickly evaluate the HA4-5002/883 for new designs and legacy sustainment.
Drop-in alternatives for HA4-5002/883 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
HA4-5002/883-Q
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
HA4-5002/883
✅ Drop-In✓ In Stock
$16.4 / Unit
View Datasheet →HA4-5002-8
✅ Drop-In📋 Reference alternative (not in catalog)
HFA1110/883
✅ Drop-In📋 Reference alternative (not in catalog)
EL2008C/883
✅ Drop-In📋 Reference alternative (not in catalog)
HA4-5002/883 Maximum Ratings & Electrical Characteristics
| Manufacturer | Renesas Electronics (formerly Intersil/Harris) |
| Part Number | HA4-5002/883 |
| Amplifier Type | Buffer (Current Feedback / Unity-Gain Follower) |
| Bandwidth | 110 MHz |
| Slew Rate (Typical) | 1300 V/µs |
| Slew Rate (Minimum) | 1000 V/µs |
| Output Current (Minimum) | ±100 mA |
| Output Impedance | 3 Ω |
| Process Technology | Dielectric Isolation (DI) bipolar |
| Package Type | 20-pin CLCC (Ceramic Leadless Chip Carrier) |
| Mounting Type | Surface Mount |
| Lead Finish | Tin-Lead (Sn/Pb) |
| Qualification | MIL-STD-883 Class B |
| Number of Channels | 1 |
| RoHS Status | Non-compliant (Tin-Lead finish, MIL-STD-883) |
HA4-5002/883 Pin Configuration
| Pin 1 | NC — Not connected (per datasheet) |
| Pin 2 | NC — Not connected (per datasheet) |
| Pin 3 | NC — Not connected (per datasheet) |
| Pin 4 | V- — Negative supply voltage |
| Pin 5 | NC — Not connected (per datasheet) |
| Pin 6 | NC — Not connected (per datasheet) |
| Pin 7 | OUTPUT — Buffer output (drives ±100 mA min, 3 Ω output impedance) |
| Pin 8 | NC — Not connected (per datasheet) |
| Pin 9 | NC — Not connected (per datasheet) |
| Pin 10 | V+ — Positive supply voltage |
| Pin 11 | NC — Not connected (per datasheet) |
| Pin 12 | NC — Not connected (per datasheet) |
| Pin 13 | NC — Not connected (per datasheet) |
| Pin 14 | NC — Not connected (per datasheet) |
| Pin 15 | NC — Not connected (per datasheet) |
| Pin 16 | INPUT — Buffer input (unity-gain follower, high impedance) |
| Pin 17 | NC — Not connected (per datasheet) |
| Pin 18 | NC — Not connected (per datasheet) |
| Pin 19 | NC — Not connected (per datasheet) |
| Pin 20 | NC — Not connected (per datasheet) |
Typical Applications
HA4-5002/883 is suitable for 7 applications: Coaxial Cable Driver, ADC Front-End Buffer, Laser Diode Driver, Video Line Driver, ATE Pin Electronics Driver, Precision Reference Buffer, Military/Aerospace Signal Conditioning.
Coaxial Cable Driver
The HA4-5002/883 is a strong fit for coaxial cable driving because of its ±100 mA minimum output current and 3 Ω output impedance, which together can drive a 50 Ω or 75 Ω terminated cable directly without an external booster stage. With 110 MHz of bandwidth and 1300 V/µs slew rate, the buffer preserves signal integrity for video, IF, and baseband signals well into the tens-of-MHz range. Placed between the source op-amp and the cable, the buffer isolates upstream stages from cable-capacitance-induced distortion. Compared with a switching driver, the HA-5002 adds no switching noise but dissipates more power under heavy load.
Recommended
ADC Front-End Buffer
The HA4-5002/883 is a strong fit for ADC front-end buffering because its 110 MHz bandwidth and 1300 V/µs slew rate are sufficient to settle the buffer output within one ADC clock cycle for 14-16 bit converters sampling in the 5-20 MSPS range. The ±100 mA output drive can absorb ADC input charge kickback quickly, reducing the magnitude of the input glitch that otherwise limits SFDR. Placed between the analog front-end and the ADC input pin, the buffer preserves linearity by maintaining low source impedance across frequency. Compared with a slower op-amp, the HA-5002 enables higher spurious-free dynamic range at the same sampling rate.
Recommended
Laser Diode Driver
The HA4-5002/883 is a strong fit for laser diode driving because its ±100 mA minimum output current can modulate laser diodes directly without a separate power stage, and its 1300 V/µs slew rate supports modulation frequencies well above 100 MHz for optical communication. The 3 Ω output impedance gives clean current control when paired with a series current-limiting resistor. According to the Renesas datasheet, the dielectric-isolation process provides low parasitic capacitance, which is critical for high-speed modulation. Add proper ESD protection at the laser anode and a small ferrite bead on the supply to suppress oscillation.
Recommended
Video Line Driver
The HA4-5002/883 is a strong fit for video line driving because its 110 MHz bandwidth easily covers composite, component, and HD video standards, while its differential-gain/differential-phase performance is acceptable for broadcast and instrumentation video paths. The ±100 mA output drives 75 Ω back-terminated video lines directly with low distortion. Placed between the video DAC and the BNC output connector, the buffer sets the line impedance and protects upstream stages from cable shorts. Compared with passive output networks, the HA-5002 restores gain and isolation.
Recommended
ATE Pin Electronics Driver
The HA4-5002/883 is a strong fit for ATE pin electronics because it combines 110 MHz bandwidth with ±100 mA drive in a hermetic 20-CLCC package that survives the wide temperature swings of production test environments. The high slew rate supports fast edge transitions required for high-throughput digital and mixed-signal test, and the dielectric-isolation process minimizes leakage paths that could compromise low-current measurements. Placed at the DUT interface, the buffer drives programmed waveforms into the pin under test. Compared with discrete transistor drivers, the integrated solution reduces board area and design complexity.
Recommended
Precision Reference Buffer
The HA4-5002/883 is a strong fit for precision reference buffering because its ±100 mA output current can drive multiple ADC/DAC reference pins simultaneously without voltage droop, while its 3 Ω output impedance maintains reference accuracy under dynamic load. The 110 MHz bandwidth handles transient load changes from rapidly switching converters. Placed between the bandgap reference and the reference-pin distribution network, the buffer isolates the precision reference from board-level noise. Compared with a unity-gain op-amp, the HA-5002 provides higher drive and faster settling.
Recommended
Military/Aerospace Signal Conditioning
The HA4-5002/883 is a strong fit for military and aerospace signal conditioning because of its MIL-STD-883 Class B qualification, hermetic 20-CLCC ceramic package, and operation across extended temperature ranges. Its 110 MHz bandwidth and 1300 V/µs slew rate support avionics, missile guidance, and satellite payload signal paths where commercial-grade plastic op amps are unacceptable. Placed between sensors, antennas, or transducers and downstream ADAs, the buffer preserves signal integrity in high-vibration, high-temperature environments. According to the Renesas datasheet, MIL-STD-883 screening provides burn-in, hermeticity, and temperature-cycle assurance.
Recommended
Recommended Products Summary
Engineering reference data for HA4-5002/883 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | HA4-5002/883-Q | HA4-5002-8 | HFA1110/883 | EL2008C/883 |
|---|---|---|---|---|---|
| Package | 20-CLCC (ceramic, hermetic) | 20-CLCC - same | 20-CLCC - same | 20-CLCC - same | Ceramic equivalent |
| Brand | Renesas Electronics | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same |
| Bandwidth | 110 MHz | 110 MHz | 110 MHz | 100 MHz | 60 MHz |
| Slew Rate (typical) | 1300 V/µs | 1300 V/µs | 1300 V/µs | 1000 V/µs | 700 V/µs |
| Output Current (min) | ±100 mA | ±100 mA | ±100 mA | ±60 mA | ±30 mA |
| Output Impedance | 3 Ω | 3 Ω | 3 Ω | 5 Ω | 10 Ω |
| MIL-STD-883 Screening | Class B | Class B | No (commercial/industrial) | Class B | Class B |
| Process Technology | Dielectric Isolation (DI) | DI - same | DI - same | DI - same | Bipolar (junction-isolated) |
Key Differentiators
- Wide 110 MHz bandwidth combined with 1300 V/µs slew rate (vs EL2008C/883)
- ±100 mA minimum output drive for direct cable driving (vs HFA1110/883)
- Dielectric isolation process for low parasitic and latch-up immunity (vs EL2008C/883)
- MIL-STD-883 Class B qualification for military/aerospace programs (vs HA4-5002-8)
Design Notes
The HA4-5002/883 dissipates noticeable power when sourcing or sinking its full ±100 mA output. Estimated: with ±15 V supplies, ±100 mA continuous output, and a low-impedance load, internal dissipation can exceed 1 W. Use a thermal pad or heat-spreader beneath the 20-CLCC package and ensure the ceramic land pattern includes thermal vias to inner copper planes. Derate output current to ±60 mA or less in still air at 85 C ambient to maintain junction temperature within safe limits.
Place 0.1 µF ceramic bypass capacitors immediately at the V+ (pin 10) and V- (pin 4) supply pins, with a 10 µF tantalum or ceramic bulk capacitor within 1 cm. Keep the ground return path short and direct to minimize parasitic inductance that would otherwise cause supply ringing during high-slew-rate output transitions. For the 20-CLCC ceramic package, follow the IPC-7351 land pattern guidelines and add thermal vias under the central thermal pad if specified by the package outline.
When driving long cables or capacitive loads, add a small series resistor (10-50 Ω) at the buffer output to isolate the buffer from cable reflections and prevent oscillation. The 3 Ω output impedance normally gives clean transient response, but high-capacitance loads (above 100 pF) can create a pole at the output that pushes the closed-loop buffer toward instability. Place the resistor as close to the output pin as possible to maximize its dampening effectiveness.
Do not use the HA4-5002/883 in applications that require the part to swing rail-to-rail at the output; the output typically swings within 2-3 V of either supply rail. Also avoid using the input pin (pin 16) beyond the common-mode range of the input stage, which is typically limited to within ±V_supply. For input signals near the rails, AC-couple the signal or use a clamped front-end. Always consult the manufacturer datasheet for the absolute maximum ratings before applying signals outside the recommended operating conditions.
Compliance Information
Tin-Lead (Sn/Pb) lead finish required for MIL-STD-883 hermetic packaging, which makes the part intentionally non-RoHS-compliant. Not AEC-Q100 qualified (this is a MIL-spec part, not an automotive-grade part). REACH, halogen-free, and conflict-minerals status not specified in available datasheets - confirm with Renesas for EU-program requirements.
