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Technical Specifications
Parameters and characteristics for this part
| Specification | DDC232CZXGR |
|---|---|
| Architecture | Sigma-Delta |
| Configuration | ADC |
| Data Interface | SPI |
| Features | Simultaneous Sampling |
| Input Type | Single Ended |
| Mounting Type | Surface Mount |
| Number of A/D Converters | 16 |
| Number of Bits | 20 |
| Number of Inputs | 32 |
| Operating Temperature [Max] | 70 °C |
| Operating Temperature [Min] | 0 °C |
| Package / Case | 64-LFBGA |
| Reference Type | External |
| Sampling Rate (Per Second) | 6k |
| Supplier Device Package | 64-NFBGA (8x8) |
| Voltage - Supply, Analog | 5 V |
| Voltage - Supply, Digital [Max] | 5.25 V |
| Voltage - Supply, Digital [Min] | 2.7 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 1000 | $ 84.69 | |
| Texas Instruments | LARGE T&R | 1 | $ 90.11 | |
| 100 | $ 87.40 | |||
| 250 | $ 72.77 | |||
| 1000 | $ 67.75 | |||
Description
General part information
DDC232 Series
The DDC232 is a 20-bit, 32-channel, current-input analog-to-digital (A/D) converter. It combines both current-to-voltage and A/D conversion so that 32 separate low-level current output devices, such as photodiodes, can be directly connected to its inputs and digitized.
For each of the 32 inputs, the DDC232 provides a dual-switched integrator front-end. This configuration allows for continuous current integration: while one integrator is being digitized by the onboard A/D converter, the other is integrating the input current. Adjustable integration times range from 166µs to 1s, allowing currents from fAs to µAs to be continuously measured with outstanding precision.
The DDC232 has a serial interface designed for daisy-chaining in multi-device systems. Simply connect the output of one device to the input of the next to create the chain. Common clocking feeds all the devices in the chain so that the digital overhead in a multi-DDC232 system is minimal.
Documents
Technical documentation and resources
