BU2505FV
Every spec below is cited to the manufacturer datasheet. Compare the closest alternatives, then ask the assistant what it means for your design.
What the BU2505FV does
The BU2505FV and BU2506FV are 10-bit R-2R digital-to-analog converters featuring 10 and 8 channels respectively. These devices operate on a 4.5V to 5.5V supply, delivering a maximum data transfer frequency of 10MHz with differential non-linearity errors of ±1.0LSB. Each channel includes a full swing output buffer amplifier designed for high-speed response. The integrated converters support cascade connections for multi-channel applications and feature TTL-compatible digital inputs. Engineers typically use these components to control various consumer and industrial equipment requiring precise voltage adjustments. The 3-wire serial interface allows flexible data loading, while built-in reference terminals enable independent setting of output voltage limits.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| quiescent current | — | 850 µA | 2.8 mA | At CLK = 10MHz, IAO = 0μA; <Digital unit> | ROHM datasheet, p. 4 — Block Diagrams |
| output voltage | 100 mV | — | 4.9 V | IO = ±100μA; <Analog unit> | ROHM datasheet, p. 4 — Block Diagrams |
| supply voltage range | 4.5 V | — | 5.5 V | ROHM datasheet, p. 3 — Recommended Operating Conditions | |
| operating temperature | -30 °C | — | 85 °C | ROHM datasheet, p. 3 — Recommended Operating Conditions | |
| adc resolution | — | 10 bit | — | ROHM datasheet, p. 1 | |
| rise time | — | — | 50 ns | Timing Characteristics (Unless otherwise specified, VCC = 5V, VIEH = 5V, VIEL = 5V, TA = 25 °C) | ROHM datasheet, p. 5 |
| fall time | — | — | 50 ns | Timing Characteristics (Unless otherwise specified, VCC = 5V, VIEH = 5V, VIEL = 5V, TA = 25 °C) | ROHM datasheet, p. 5 |
| sample rate | — | 10 MHz | — | Data transfer frequency (Max) | ROHM datasheet, p. 1 |
| settling time | — | 7 µs | 20 µs | CL≤100pF(Note 6), VO: 0.5V↔4.5VThe time interval from the start time to change an output voltage to the time at which the output voltage reaches to its final value within 1/2 LSB.; Timing Characteristics (Unless otherwise specified, VCC = 5V, VIEH = 5V, VIEL = 5V, TA = 25 °C) | ROHM datasheet, p. 5 |
| channel count | — | 10 | — | ROHM datasheet, p. 1 |
Closest matches to BU2505FV
Frequently asked questions
What is the ADC resolution of the BU2505FV?
The ADC resolution is 10 bit.
What is the channel count of the BU2505FV?
The channel count is 10.
What is the fall time under the specified timing characteristics?
The fall time is 50 ns.
What is the maximum operating temperature for the BU2505FV?
The operating temperature is 85 °C.
What is the output voltage when IO = ±100μA?
The output voltage is 4.9 V.
What is the quiescent current of the BU2505FV?
The quiescent current is 850 µA at CLK = 10MHz, IAO = 0μA.
What is the rise time of the BU2505FV under the specified timing characteristics?
The rise time is 50 ns when VCC = 5V, VIEH = 5V, VIEL = 5V, and TA = 25 °C.
What is the maximum data transfer frequency for the BU2505FV?
The sample rate is 10 MHz.
What is the settling time for the BU2505FV under the specified conditions?
The settling time is 7 µs when CL≤100pF(Note 6) and VO: 0.5V↔4.5V.
What is the supply voltage range for the BU2505FV?
The supply voltage range is 5.5 V.