# DDC114IRTCR

**Texas Instruments** · Analog To Digital Converters (ADC) · QFN-48-EP(7x7)

DDC114IRTCR from Texas Instruments, in a QFN-48-EP(7x7). 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 | DOUT | output | Digital output serial data output, paired with complementary DOUT on pin 2. |
| 2 | DOUT | output | Complementary serial data output signal of DOUT on pin 1. |
| 3 | CLK_4X | input | Master clock divider control: 0 selects divide by 1, 1 selects divide by 4. |
| 4 | FORMAT | input | Digital output word format control: 0 selects 16 bits, 1 selects 20 bits. |
| 5 | HISPD/LOPWR | input | Mode control: 0 selects Low-Power mode, 1 selects High-Speed mode. |
| 6 | RANGE0 | input | Range control 0, the least significant bit of the 3-bit range select. |
| 7 | RANGE1 | input | Range control 1, the middle bit of the 3-bit range select. |
| 8 | RANGE2 | input | Range control 2, the most significant bit of the 3-bit range select. |
| 9 | AGND | power_in | Analog ground. |
| 10 | VREF | power_in | External voltage reference input, 4.096V nominal. |
| 11 | AGND | power_in | Analog ground. |
| 12 | AGND | power_in | Analog ground. |
| 13 | AGND | power_in | Analog ground. |
| 14 | AGND | power_in | Analog ground. |
| 15 | AIN4 | input | Analog input 4. |
| 16 | AGND | power_in | Analog ground. |
| 17 | AIN3 | input | Analog input 3. |
| 18 | AGND | power_in | Analog ground. |
| 19 | AGND | power_in | Analog ground. |
| 20 | AGND | power_in | Analog ground. |
| 21 | AIN2 | input | Analog input 2. |
| 22 | AGND | power_in | Analog ground. |
| 23 | AIN1 | input | Analog input 1. |
| 24 | AGND | power_in | Analog ground. |
| 25 | AGND | power_in | Analog ground. |
| 26 | AGND | power_in | Analog ground. |
| 27 | AVDD | power_in | Analog power supply, 5V nominal; electrical characteristics specify 4.75V to 5.25V. |
| 28 | AGND | power_in | Analog ground. |
| 29 | DGND | power_in | Digital ground. |
| 30 | DGND | power_in | Digital ground. |
| 31 | TEST | input | Test mode control input. |
| 32 | RESET | input | Resets the digital circuitry, active low. |
| 33 | NC | unconnected | No connection. |
| 34 | NC | unconnected | No connection. |
| 35 | DIN | input | Complementary serial data input (optional, see text on page 13). |
| 36 | DIN | input | Serial data input. |
| 37 | DVDD | power_in | Digital power supply, 3V nominal; electrical characteristics specify 2.7V to 5.25V. |
| 38 | DGND | power_in | Digital ground. |
| 39 | DCLK | input | Complementary serial data clock input (optional, see text on page 13). |
| 40 | DCLK | input | Serial data clock input. |
| 41 | DGND | power_in | Digital ground. |
| 42 | CLK | input | Master clock input. |
| 43 | DGND | power_in | Digital ground. |
| 44 | DVALID | output | Data valid output, active low. |
| 45 | DGND | power_in | Digital ground. |
| 46 | CONV | input | Conversion control input: 0 integrates on side B, 1 integrates on side A. |
| 47 | DGND | power_in | Digital ground. |
| 48 | DGND | power_in | Digital ground. |
| 49 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | QFN-48-EP(7x7) |
| Category | Data Acquisition |
| Pins | 49 |

## CAD (KiCad official)

- Symbol: `DDC114IRTCR`
- Footprint: `Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm`
- 3D model: QFN-48-EP(7x7) (KiCad packages3D, STEP)
- 3D model files: `ddc114irtcr-etched.step` / `ddc114irtcr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ddc114irtcr.step` / `ddc114irtcr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/ddc114) (36 pp, sha256 `f1528c1cb4923a0c`, retrieved 2026-10-08, tier: lcsc)
- **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/ddc114irtcr-datasheet.pdf)