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DIO2125XM10
Public Made by Adomby adom
DIOO Audio Amplifiers, MSOP-10-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownDIO2125XM10
DIOO · Audio Amplifiers · MSOP-10-EP
DIO2125XM10 from DIOO, in a MSOP-10-EP. 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 | -INR | input | Right-channel negative (inverting) input; the gain-setting resistor RIN must be placed close to this pin to minimize capacitive loading and keep the amplifier stable. |
| 2 | OUTR | output | Right-channel audio output, capable of 3Vrms into a 2.5kΩ load at 5V supply; it can drive up to 220pF directly, and a TVS diode is recommended here for surge protection. |
| 3 | CN | bidirectional | Charge-pump flying capacitor negative terminal, to be used with a low-ESR X5 or X7 ceramic capacitor (0.33µF recommended) to generate the negative supply. |
| 4 | EN | input | Active-high enable input; VIH must be at least 1.2V and VIL at most 0.4V, and EN must be held low during supply ramp-up and ramp-down for pop-free power-up and power-down. |
| 5 | PVSS | power_out | Negative supply voltage output generated by the charge pump; its capacitor must be at least equal in value to the charge-pump flying capacitor. |
| 6 | CP | bidirectional | Charge-pump flying capacitor positive terminal, connected to the CN flying capacitor (0.33µF recommended). |
| 7 | PVDD | power_in | Positive supply pin, specified at 4.75V to 5.25V (5V typical) with a 0.1µF and 10µF decoupling capacitor placed as close as possible; the device shuts down if VDD exceeds 5.5V. |
| 8 | UVP | input | External under-voltage protection input that mutes the output when the supply falls below the set threshold (1.15V typical with 5µA hysteresis current), with resistor values chosen to avoid triggering under supply ripple. |
| 9 | OUTL | output | Left-channel audio output, with the same 3Vrms into 2.5kΩ drive capability as the right channel; a TVS diode is recommended here for surge protection. |
| 10 | -INL | input | Left-channel negative (inverting) input; the gain-setting resistor RIN must be placed close to this pin to minimize capacitive loading and keep the amplifier stable. |
| 11 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DIOO |
| Package | MSOP-10-EP |
| Category | Amplifiers/Comparators |
| Pins | 11 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage (absolute maximum) | -0.3 | 7.5 | V | 3 | |||
| Minimum load impedance | 600 | Ω | 3 | ||||
| EN to GND | -0.3 | V | 3 | ||||
| Storage Temperature Range | -65 | 150 | °C | 3 | |||
| Junction Temperature | 150 | °C | 3 | ||||
| Thermal resistance junction-to-ambient MSOP-10 (θJA) | θJA | 190 | °C/W | MSOP-10 | 3 | ||
| HBM ESD, JESD22-A114, output pins | 8 | kV | HBM, JESD22-A114, output pins | 3 | |||
| HBM ESD, JESD22-A114, other pins | 7.5 | kV | HBM, JESD22-A114, other pins | 3 | |||
| Supply Voltage (recommended) | VDD | 4.75 | 5 | 5.25 | V | 3 | |
| High level Input Voltage (EN) | VIH | 1.2 | V | 3 | |||
| Low level Input Voltage (EN) | VIL | 0.4 | V | 3 | |||
| Operating Temperature Range | TA | -40 | 85 | °C | 3 | ||
| VDD Over Voltage Protection | OVP | 5.5 | V | VDD>5.5V, then IC shutdown | 4 | ||
| High level output voltage | VOH | 3.1 | V | VDD=5V, RL=2.5kΩ | 4 | ||
| Output Voltage (VO) | VO | 3.1 | VRMS | THD=1%, VDD=5V, f=1kHz, RL=100kΩ | 4 | ||
| External under-voltage detection threshold | VUVP | 1.11 | 1.15 | 1.205 | V | 4 | |
| Output Offset Voltage | VOS | 2 | mV | VDD=5V, Input grounded, Gain=100 | 4 | ||
| Power supply rejection ratio | PSRR | 85 | dB | VDD=4.75V to 5.25V | 4 | ||
| Low level output voltage | VOL | -3.05 | V | VDD=5V, RL=2.5kΩ | 4 | ||
| EN High level input current | IIH | 1 | µA | VDD=5V, VI=VDD | 4 | ||
| EN Low level input current | IIL | 1 | µA | VDD=5V, VI=0V | 4 | ||
| Supply current (EN=VDD) | IDD | 14 | mA | VDD=5V, EN= VDD, No load | 4 | ||
| Supply current (EN=0) | IDD | 1.5 | mA | VDD=5V, EN= 0, No load | 4 | ||
| Total harmonic distortion + noise | THD+N | 0.001 | % | VO=3VRMS, f=1kHz | 4 | ||
| Channel crosstalk | XTALK | -100 | dB | VO=3VRMS, f=1kHz | 4 | ||
| Maximum output current | IO | 18 | mA | VDD=5V | 4 | ||
| Signal noise ratio | SNR | 108 | dB | VO=3VRMS, THD+N=0.1%, BW=22kHz A-weighted | 4 | ||
| Slew rate | SR | 11.8 | V/µs | 4 | |||
| Maximum capacitive load | CL | 220 | pF | 4 | |||
| Noise output voltage | VN | 6 | µVRMS | BW=20Hz to 22kHz | 4 | ||
| Unity gain bandwidth | GBW | 8 | MHz | 4 | |||
| Open loop voltage gain | AVO | 150 | dB | 4 | |||
| External under-voltage detection hysteresis current | IHys | 5 | µA | 4 | |||
| Charge pump frequency | fCP | 450 | kHz | 4 |
CAD (KiCad official)
- Symbol:
DIO2125XM10 - Footprint:
Package_SO:MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mm - 3D model: MSOP-10-EP (KiCad packages3D, STEP)
- 3D model files:
dio2125xm10-etched.step/dio2125xm10-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dio2125xm10.step/dio2125xm10.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DIOO datasheet (11 pp, sha256
0c7098af830859f8, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).