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Back to December 1998 Integration

High-speed voltage-output DACs

Two new 12-bit voltage-output DACs deliver conversion speeds that eliminate the need to use current-output DACs and external buffers for current-to-voltage conversion. The TLV5613 and TLV5619 both feature 1-µs typical settling time while operating from a single wide supply range of 2.7 V to 5.5 V.

The TLV5613 features a parallel bus compatible with most 8-bit microprocessors, while the 12-bit interface of the TLV5619 is compatible with TMS320 DSPs and microprocessors. In both devices, input data is double buffered so that outputs can be updated asynchronously. The output is buffered by a high-speed, rail-to-rail amplifier, while having a settling time as low as 1-µs.

The TLV5613 has a low power mode, power-down mode and two address lines that determine whether inputs are LSB, MSB or control data. Both DACs are well suited for applications such as telecom line cards, mass storage, zip drives, industrial process control and battery-powered test instruments.

The TLV5613 and TLV5619 are available in 20-pin SOIC and TSSOP packages for commercial and industrial temperature ranges. Suggested resale pricing per unit in quantities of 1,000 is $3.90 (U.S. dollars) for the TLV5613 and the TLV5619.

TLV5613 features 8+4 bit interface 1 µs/4.2 mW (fast mode) 3.5 µs/1.2 mW (slow mode) Power-down mode (10 nW) 2.7-V to 5.5-V single supply

TLV5619 features 12-bit TMS320 DSP-compatible interface 1 µs settling time (typ) 4.3 mW for 3-V supply 2.7-V to 5.5-V single supply

For complete information, order: Data Sheets (SLAS174A, SLAS172B). See Related Product Information.