# LTC6652AHMS8-2.5#PBF

**Analog Devices** · Pre-ordered Chips · MSOP-8

LTC6652AHMS8-2.5#PBF from Analog Devices, in a MSOP-8. 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 | DNC | unconnected | Do Not Connect; this pin must be left unconnected. |
| 2 | VIN | power_in | Power supply input; the minimum supply is VOUT + 300mV or 2.7V, whichever is higher, and the maximum supply is 13.2V, with a 0.1µF bypass to GND improving PSRR. |
| 3 | SHDN | input | Active-low shutdown input that powers the device down to <2µA; tie to VIN for normal operation (SHDN should be ≥2.0V for normal operation). |
| 4 | GND | power_in | Device ground. |
| 5 | GND | power_in | Internal function pin; ground this pin (connect to device GND, pin 4). |
| 6 | VOUT | output | Voltage reference output; an output capacitor is not required, but a 0.1µF to 10µF capacitor can be beneficial, and the device sources and sinks ±5mA for the 2.5V version. |
| 7 | GND | power_in | Internal function pin; ground this pin (connect to device GND, pin 4). |
| 8 | GND | power_in | Internal function pin; ground this pin (connect to device GND, pin 4). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | MSOP-8 |
| Category | Interface ICs |
| Pins | 8 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output Voltage (LTC6652A, 2.5V) |  | -0.05 |  | 0.05 | % |  | 3 |
| Output Voltage Temperature Coefficient (LTC6652A) |  |  | 2 | 5 | ppm/°C | l (full operating temperature range), Note 3 | 3 |
| Line Regulation (LTC6652A) |  |  | 2 | 50 | ppm/V | VOUT + 0.5V ≤ VIN ≤ 13.2V, SHDN = VIN | 3 |
| Load Regulation, sourcing (LTC6652A) |  |  | 20 | 75 | ppm/mA | ISOURCE = 5mA, LTC6652-2.5 (Note 4) | 4 |
| Load Regulation, sinking (LTC6652A) |  |  | 50 | 150 | ppm/mA | ISINK = 5mA, LTC6652-2.5 (Note 4) | 4 |
| Output Short-Circuit Current |  |  | 16 |  | mA | Short VOUT to GND | 4 |
| Shutdown Pin (SHDN) Logic High Input Voltage |  | 2 |  |  | V | l | 4 |
| Shutdown Pin (SHDN) Logic High Input Current |  | 0.1 |  | 1 | µA | l | 4 |
| Shutdown Pin (SHDN) Logic Low Input Voltage |  |  |  | 0.8 | V | l | 4 |
| Shutdown Pin (SHDN) Logic Low Input Current |  | 0.1 |  | 1 | µA | l | 4 |
| Supply Current |  |  | 350 | 560 | µA | No load, l | 4 |
| Shutdown Current |  |  | 0.1 | 2 | µA | SHDN tied to GND, l | 4 |
| Hysteresis (MS8) |  |  | 80 |  | ppm | ΔT = -40°C to 125°C, LTC6652MS8 | 4 |
| Hysteresis (MS8) |  |  | 75 |  | ppm | ΔT = -40°C to 85°C, LTC6652MS8 | 4 |
| Hysteresis (MS8) |  |  | 45 |  | ppm | ΔT = 0°C to 70°C, LTC6652MS8 | 4 |
| Turn-On Time |  |  |  | 100 | µs | 0.1% settling, CLOAD = 0 | 4 |
| Output Voltage Noise (LTC6652-2.5) |  |  | 2.1 |  | ppmP-P | 0.1Hz ≤ f ≤ 10Hz | 4 |
| Long-Term Drift of Output Voltage (MS8) |  |  | 60 |  | ppm/√kHr | LTC6652MS8 | 4 |
| VIN to GND (absolute maximum) | VIN | -0.3 |  | 13.2 | V |  | 2 |
| Operating Temperature Range |  | -40 |  | 125 | °C |  | 2 |
| Storage Temperature Range |  | -65 |  | 150 | °C | Note 2 | 2 |
| Maximum Junction Temperature | TJMAX |  |  | 150 | °C | MS8 package | 2 |
| Thermal Resistance, junction to ambient | θJA |  | 200 |  | °C/W | MS8 package | 2 |
| Supply Voltage (VIN) | VIN | 2.8 |  | 13.2 | V | Typical application, 2.8V ≤ VIN ≤ 13.2V | 1 |
| SHDN Voltage for normal operation | SHDN | 2 |  |  | V | For normal operation, SHDN ≥ 2.0V | 12 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | abs |  | Plastic mould compounds absorb water. With changes | 14 |

## CAD (KiCad official)

- Symbol: `LTC6652AHMS8-2.5#PBF`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `ltc6652ahms8-2-5-pbf-etched.step` / `ltc6652ahms8-2-5-pbf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ltc6652ahms8-2-5-pbf.step` / `ltc6652ahms8-2-5-pbf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Analog Devices datasheet](https://www.analog.com/media/en/technical-documentation/data-sheets/6652fg.pdf) (20 pp, sha256 `cb57839f236ed0a6`, retrieved 2026-10-30, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/ltc6652ahms8-2-5-pbf-datasheet.pdf)