# EL4543IUZ

**RENESAS** · Operational Amplifier · QSOP-24

EL4543IUZ from RENESAS, in a QSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | EN | input | Enable/disable input that disables the video inputs and outputs when high (power-down in 900ns), with a 1.4V typical threshold referenced to the lowest supply. |
| 2 | VINA+ | input | Non-inverting input of channel A (red), with 0V to 2.3V common-mode input range on a 5V single supply. |
| 3 | VINA- | input | Inverting input of channel A (red), with 0V to 2.3V common-mode input range on a 5V single supply. |
| 4 | NC | unconnected | Not connected. |
| 5 | VSYNC | input | Vertical sync logic input encoded onto the output common mode, with VLO max 0.8V and VHI min 2V at a 5V supply. |
| 6 | HSYNC | input | Horizontal sync logic input encoded onto the output common mode, with VLO max 0.8V and VHI min 2V at a 5V supply. |
| 7 | NC | unconnected | Not connected. |
| 8 | VINB+ | input | Non-inverting input of channel B (green), with 0V to 2.3V common-mode input range on a 5V single supply. |
| 9 | VINB- | input | Inverting input of channel B (green), with 0V to 2.3V common-mode input range on a 5V single supply. |
| 10 | NC | unconnected | Not connected. |
| 11 | VINC+ | input | Non-inverting input of channel C (blue), with 0V to 2.3V common-mode input range on a 5V single supply. |
| 12 | VINC- | input | Inverting input of channel C (blue), with 0V to 2.3V common-mode input range on a 5V single supply. |
| 13 | NC | unconnected | Not connected. |
| 14 | VOUTC- | output | Inverting differential output of channel C (blue) with sync encoded on the common mode, 50mA minimum output current. |
| 15 | VOUTC+ | output | Non-inverting differential output of channel C (blue) with sync encoded on the common mode, 50mA minimum output current. |
| 16 | NC | unconnected | Not connected. |
| 17 | VOUTB- | output | Inverting differential output of channel B (green) with sync encoded on the common mode, 50mA minimum output current. |
| 18 | VOUTB+ | output | Non-inverting differential output of channel B (green) with sync encoded on the common mode, 50mA minimum output current. |
| 19 | NC | unconnected | Not connected. |
| 20 | VS- | power_in | Negative supply, with 5V to 12V total operating range from VS+ to VS-; ground in single-supply use. |
| 21 | VS+ | power_in | Positive supply, with 5V to 12V total operating range from VS+ to VS-. |
| 22 | NC | unconnected | Not connected. |
| 23 | VOUTA- | output | Inverting differential output of channel A (red) with sync encoded on the common mode, 50mA minimum output current. |
| 24 | VOUTA+ | output | Non-inverting differential output of channel A (red) with sync encoded on the common mode, 50mA minimum output current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | RENESAS |
| Package | QSOP-24 |
| Category | Amplifiers |
| Pins | 24 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Differential Slew Rate | SR | 600 |  | 1000 | V/µs | RL = 200 | 3 |
| Input Referred Offset Voltage | VOS | -10 | 2 | 10 | mV |  | 3 |
| Input Bias Current | IIN | -30 | -15 | -10 | µA | VIN+, VIN+ | 3 |
| Input Common Mode Voltage Range | VCM | 0 |  | 2.3 | V | VS+ = +5V, VS- = 0V | 3 |
| Input Common Mode Rejection Ratio | CMRR | 60 | 80 |  | dB | VCM = 0 to 2V | 3 |
| Output Peak Current | IOUT | 40 | 60 |  | mA |  | 3 |
| Voltage Gain | AV | 1.82 | 1.96 | 2.05 | V/V | VIN = 0.8VP-P | 3 |
| Supply Operating Range | VSUPPLY | 5 |  | 12 | V | VS+ to VS- | 3 |
| Power Supply Current (per Channel) | IS | 12.3 | 14.5 | 16.2 | mA |  | 3 |
| Power Supply Rejection Ratio | PSRR | 70 | 80 |  | dB |  | 3 |
| Supply Voltage | VS+ & VS- |  |  | 12 | V | TA = +25°C | 3 |
| Maximum Output Continuous Current |  | -70 |  | 70 | mA | TA = +25°C | 3 |
| Storage Temperature Range |  | -65 |  | 150 | °C |  | 3 |
| Operating Junction Temperature | TJ |  |  | 135 | °C |  | 3 |
| Ambient Operating Temperature | TA | -40 |  | 85 | °C |  | 3 |
| Input voltage VIN+, VINB | VIN | 0.8 |  | -0.8 | V | VS- + 0.8V (min) to VS+ - 0.8V (max), relative to supplies | 3 |
| Differential input VIN+ - VIN- |  | -5 |  | 5 | V |  | 3 |
| Input Logic Low Threshold | VLO |  |  | 0.8 | V | +5V supply | 1 |
| Input Logic High Threshold | VHI | 2 |  |  | V | +5V supply | 1 |
| Thermal Resistance QSOP24 (JESD51-7) | θJA |  | 88 |  | °C/W | JEDEC JESD51-7 high effective thermal conductivity board | 10 |
| Thermal Resistance QSOP24 (JESD51-3) | θJA |  | 115 |  | °C/W | JEDEC JESD51-3 low effective thermal conductivity board | 10 |
| -3dB Bandwidth | BW |  | 350 |  | MHz | VOUT = 2VP-P | 3 |
| EN Threshold | EN |  | 1.4 |  | V |  | 3 |

## CAD (KiCad official)

- Symbol: `EL4543IUZ`
- Footprint: `Package_SO:QSOP-24_3.9x8.7mm_P0.635mm`
- 3D model: QSOP-24 (KiCad packages3D, STEP)
- 3D model files: `el4543iuz-etched.step` / `el4543iuz-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `el4543iuz.step` / `el4543iuz.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [RENESAS datasheet](docs/el4543iuz-datasheet.pdf) (18 pp, sha256 `f6b2b1582c54b00b`, retrieved 2026-10-27, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/el4543iuz-datasheet.pdf)