Features: `120 mA current sink`Available in 8-lead LFCSP package`Available in 3 x 3 array WLCSP package`2-wire (I2C®-compatible) serial interface`10-bit resolution`Integrated current sense resistor`2.7 V to 5.5 V power supply`Guaranteed monotonic over all codes`Power-down to 0.5 A typical`Inte...
AD5398: Features: `120 mA current sink`Available in 8-lead LFCSP package`Available in 3 x 3 array WLCSP package`2-wire (I2C®-compatible) serial interface`10-bit resolution`Integrated current sense resis...
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Parameter |
Rating |
VDD to AGND VDD to DGND AGND to DGND SCL, SDA to DGND PD to DGND ISINK to AGND Operating Temperature Range Industrial (B Version) Storage Temperature Range Junction Temperature (TJ max) LFCSP Power Dissipation JA Thermal Impedance2 Mounted on 2-Layer Board Mounted on 4-Layer Board Lead Temperature, Soldering Max Peak Reflow Temperature3 |
0.3 V to +7 V 0.3 V to VDD + 0.3 V 0.3 V to +0.3 V 0.3 V to VDD + 0.3 V 0.3 V to VDD + 0.3 V 0.3 V to VDD + 0.3 V 40°C to +85°C 65°C to +150°C 150°C (TJ max − TA)/JA 84°C/W 48°C/W 260°C (±5°C) |
1 Transient currents of up to 100 mA do not cause SCR latch-up.
2 To achieve the optimum JA, it is recommended that the AD5398 is soldered on a 4-layer board. The AD5398 comes in an 8-lead LFCSP package with an exposed paddle that should be connected to the same potential as the AD5398 DGND pin.
3 As per Jedec J-STD-020C.
Resolution (Bits) | 10bit |
DAC Update Rate | 31kSPS |
DAC Type | Current Out |
Pwr Diss | 20mW |
DAC Settling Time | 250s |
Pos Supply | +2.7Vto+5.5V |
Operating Temp Range | -40 to +85 |
DAC Input Format | I2C/Ser 2-wire,Ser |
Ref Int/Ext | Int |
Package | CSP |
The AD5398 is a single 10-bit DAC with 120 mA output current sink capability. It features an internal reference and operates from a single 2.7 V to 5.5 V supply. The DAC is controlled via a 2-wire (I2C-compatible) serial interface that operates at clock rates up to 400 kHz.
The AD5398 incorporates a power-on reset circuit, which ensures that the DAC output powers up to 0 V and remains there until a valid write takes place. It has a power-down feature that reduces the current consumption of the device to 1 A maximum.
The AD5398 is designed for autofocus, image stabilization, and optical zoom applications in camera phones, digital still cameras, and camcorders.
The AD5398 also has many industrial applications, such as controlling temperature, light, and movement, over the range −40°C to +85°C without derating.
The I2C address range for the AD5398 is 0x18 to 0x1F inclusive.