TLV320ADC3140IRTWT

@@ -0,0 +1,68 @@+# TLV320ADC3140IRTWT++**Texas Instruments** · Analog To Digital Converters (ADCs) · WQFN-24-EP(4x4)++TLV320ADC3140IRTWT from Texas Instruments, in a WQFN-24-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | AVDD | power_in | Analog power supply (1.8 V or 3.3 V, nominal). |+| 2 | AREG | power_out | Analog on-chip regulator output voltage for analog supply (1.8 V, nominal) or external analog power input (1.8 V, nominal). Requires bypass capacitor to AVSS. |+| 3 | VREF | passive | Analog reference voltage filter output. Requires external bypass capacitor to AVSS. |+| 4 | AVSS | power_in | Analog ground. Short this pin directly to the board ground plane. |+| 5 | MICBIAS | power_out | Microphone bias output for biasing external analog microphones. |+| 6 | IN1P_GPI1 | bidirectional | Analog input 1P (positive analog audio input) or general-purpose digital input 1. Multipurpose functions include digital microphone data, PLL input clock source, and so forth. |+| 7 | IN1M_GPO1 | bidirectional | Analog input 1M (negative analog audio input) or general-purpose digital output 1. Multipurpose functions include digital microphone clock, interrupt, and so forth. |+| 8 | IN2P_GPI2 | bidirectional | Analog input 2P or general-purpose digital input 2 (multipurpose: digital microphone data, PLL input clock, etc.). |+| 9 | IN2M_GPO2 | bidirectional | Analog input 2M or general-purpose digital output 2 (multipurpose: digital microphone clock, interrupt, etc.). |+| 10 | IN3P_GPI3 | bidirectional | Analog input 3P or general-purpose digital input 3 (multipurpose: digital microphone data, PLL input clock, etc.). |+| 11 | IN3M_GPO3 | bidirectional | Analog input 3M or general-purpose digital output 3 (multipurpose: digital microphone clock, interrupt, etc.). |+| 12 | IN4P_GPI4 | bidirectional | Analog input 4P or general-purpose digital input 4 (multipurpose: digital microphone data, PLL input clock, etc.). |+| 13 | IN4M_GPO4 | bidirectional | Analog input 4M or general-purpose digital output 4 (multipurpose: digital microphone clock, interrupt, etc.). |+| 14 | SHDNZ | input | Device hardware shutdown and reset (active low). |+| 15 | ADDR1_MISO | bidirectional | For I2C operation: I2C slave address A1 pin. For SPI operation: SPI slave output pin (MISO). |+| 16 | ADDR0_SCLK | input | For I2C operation: I2C slave address A0 pin. For SPI operation: SPI serial bit clock (SCLK). |+| 17 | SCL_MOSI | input | For I2C operation: clock pin for I2C control bus (SCL). For SPI operation: SPI slave input pin (MOSI). |+| 18 | SDA_SSZ | bidirectional | For I2C operation: data pin for I2C control bus (SDA). For SPI operation: SPI slave-select pin (SSZ, active low). |+| 19 | IOVDD | power_in | Digital I/O power supply (1.8 V or 3.3 V, nominal). |+| 20 | GPIO1 | bidirectional | General-purpose digital input/output 1. Multipurpose functions such as digital microphones clock or data, PLL input clock source, interrupt, and so forth. |+| 21 | SDOUT | output | Audio serial data interface bus output (TDM / I2S / LJ data output). |+| 22 | BCLK | bidirectional | Audio serial data interface bus bit clock. Can be input (slave) or output (master) depending on configuration. |+| 23 | FSYNC | bidirectional | Audio serial data interface bus frame synchronization signal. Can be input (slave) or output (master) depending on configuration. |+| 24 | DREG | power_out | Digital regulator output voltage for digital core supply (1.5 V, nominal). Requires bypass capacitor to VSS. |+| 25 | VSS | power_in | Exposed thermal pad shorted to internal device ground. Short the thermal pad directly to the board ground plane for both electrical ground and thermal dissipation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WQFN-24-EP(4x4) |+| Category | ADC/DAC/Data Conversion |+| Pins | 25 |++## Ordering variants++Same part, different packaging or reel option.++- `TLV320ADC3140IRTWT`+- `TLV320ADC3140IRTWR`++## CAD (KiCad official)++- Symbol: `TLV320ADC3140IRTWT`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm`+- 3D model: WQFN-24-EP(4x4) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tlv320adc3140) (120 pp, sha256 `6c2535a00dba3039`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tlv320adc3140irtwt-datasheet.pdf)

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