Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Channels / Resolution | 1 channel, 12-bit |
| Interface | I²C up to 3.4 Mbps; address support for two devices |
| Output | Buffered rail-to-rail; 0 V to VDD full scale |
| Settling | 10 µs to ±0.003% full scale stated |
| Supply | 2.7 V to 5.5 V |
| Current | 140 µA at 5 V stated |
| Power State | Reset to zero; power-down reduces current to tens of nA |
| Exact Package / Packing | SOT-23-6 (DBV); 3000-piece reel; marking D771 |
Product Overview
DAC7571IDBVR is a compact 12-bit I²C DAC for applications that need more trim resolution than DAC5571 without increasing package size. The buffered output swings across the supply-referenced range from ground toward VDD.
The 10-µs settling specification sets the analog response limit even though the I²C bus can run at multi-megabit speed. Closed-loop systems should therefore budget serial transfer and analog settling separately.
Like DAC5571, VDD defines the output full scale. The exact DBVR code is the 3000-piece SOT-23 reel.
For related devices, see HKEQGOO’s DACs category.
Technical Specifications
| Parameter | Verified Information |
|---|---|
| Manufacturer | Texas Instruments |
| Exact MPN | DAC7571IDBVR |
| Channels / Resolution | 1 channel, 12-bit |
| Interface | I²C up to 3.4 Mbps; address support for two devices |
| Output | Buffered rail-to-rail; 0 V to VDD full scale |
| Settling | 10 µs to ±0.003% full scale stated |
| Supply | 2.7 V to 5.5 V |
| Current | 140 µA at 5 V stated |
| Power State | Reset to zero; power-down reduces current to tens of nA |
| Exact Package / Packing | SOT-23-6 (DBV); 3000-piece reel; marking D771 |
| Manufacturer Status | Active / Production |
| Part Marking | D771 |
Functional Highlights
Twelve-bit code depth improves fine calibration in six pins
4096 steps make the part suitable for sensor offset, threshold and bias adjustment where 8-bit resolution is too coarse.
Power-down supports duty-cycled portable systems
The DAC can drop to very low current while preserving a simple I²C architecture for wake/update cycles.
Design Considerations
- Use a low-noise VDD rail when output accuracy is important.
- Do not infer analog update speed from I²C clock rate; include the 10-µs settling behavior.
- Verify the external load does not violate rail-to-rail buffer drive limits.
Product Status and Exact Order Code
Manufacturer status: Active / Production
Texas Instruments lists DAC7571IDBVR as Active orderable DAC7571IDBVR; SOT23-6 DBV; 3000-piece tape and reel; marking D771.
Related Engineering Resources
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
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To request a quotation, provide the manufacturer part number, required quantity, destination, target Date Code if applicable, and any testing or inspection requirements.
