AD5544ARSZ
Integrated Circuit Data Acquisition - Digital to Analog Converters DAC IC AD5544ARSZ
FEATURES
AD5544: 16-bit resolution INL of ±1 LSB (B Grade) AD5554: 14-bit resolution INL of ±0.5 LSB (B Grade) 2 mA full-scale current ± 20%, with VREF = ±10 V 0.9 μs settling time to ±0.1% 12 MHz multiplying bandwidth Midscale glitch of −1 nV-sec Midscale or zero-scale reset 4 separate, 4-quadrant multiplying reference inputs SPI-compatible, 3-wire interface Double-buffered registers enable Simultaneous multichannel change Internal power-on reset Temperature range: −40°C to +125°C Compact 28-lead SSOP and 32-lead LFCSP
GENERAL DESCRIPTION The AD5544/AD5554 quad, 16-/14-bit, current output, digitalto-analog converters (DACs) are designed to operate from a 2.7 V to 5.5 V supply range. The applied external reference input voltage (VREFx) determines the full-scale output current. Integrated feedback resistors (RFB) provide temperature-tracking, full-scale voltage outputs when combined with an external I-to-V precision amplifier. A double-buffered serial data interface offers high speed, 3-wire, SPI- and microcontroller-compatible inputs using serial data in (SDI), a chip select (CS), and clock (CLK) signals. In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used. A common, level-sensitive, load DAC strobe (LDAC) input allows the simultaneous update of all DAC outputs from previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to 0 at system turn-on. The MSB pin allows system reset assertion (RS) to force all registers to zero code when MSB = 0 or to half-scale code when MSB = 1.
APPLICATIONS
Automatic test equipment Instrumentation Digitally controlled calibration
Our Strong brand: TI, ST, AD Maxim, Microchip,NXP Samsung, Murata, Yageo etc
| Package | Tube | |
| Product Status | Active | |
| Number of Bits | 16 | |
| Number of D/A Converters | 4 | |
| Settling Time | 900ns (Typ) | |
| Output Type | Current - Unbuffered | |
| Differential Output | No | |
| Data Interface | SPI | |
| Reference Type | External | |
| Voltage - Supply, Analog | 2.7V ~ 5.5V | |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | |
| INL/DNL (LSB) | ±2 (Max), ±1.5 (Max) | |
| Architecture | R-2R | |
| Operating Temperature | -40°C ~ 125°C | |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) | |
| Supplier Device Package | 28-SSOP | |
| Mounting Type | Surface Mount | |
| Base Product Number | AD5544 | |
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