ADV7520NK is a low power HDMI/DVI transmitter ideal for portable applications. It features a CEC controller and buffer to reduce system overhead. Compatible with HDMI v.1.3, DVI v.1.0, and HDCP 1.3. Supports xvYCC functionality. Operates with a single 1.8V power supply. Video/audio inputs accept logic levels from 1.8V to 3.3V. Digital video supports 80MHz operation and all HDTV resolutions from 480i to 1080i. Programmable 2-way color space converter. Supports RGB, YCbCr, and DDR. Supports ITU656-based embedded syncs. Automatic input video format timing detection (CEA-861D). Digital audio supports standard S/PDIF for stereo LPCM or compressed audio up to 192kHz. Supports 8-channel, uncompressed LPCM I2S audio up to 192kHz. Special features for easy system design, including an on-chip MPU with I2C master to perform HDCP.
The ADV7520NK is an 80 MHz HDMI/DVI transmitter designed for portable applications. It supports HDMI v1.3, DVI v1.0 and HDCP 1.3, offers xvYCC functionality, and includes a single 1.8 V power supply, 5 V‑tolerant I²C and HPD pins, and an on‑chip microprocessor for HDCP and EDID operations. The device handles digital video inputs from 1.8 V to 3.3 V and provides both S/PDIF and 8‑channel I²S audio up to 192 kHz.
Typical applications include digital video cameras, media players, cellular handsets, DVD players, set‑top boxes and HDMI repeaters. Design resources such as evaluation kits, reference schematics and software drivers are available after signing an NDA, and the part is supplied in a 76‑ball CSP‑BGA package that is RoHS compliant and rated for –25 °C to +90 °C operation.
| Input Voltage, High (V_IH) | 1.4 V – 3.5 V |
|---|---|
| Input Voltage, Low (V_IL) | -0.3 V – +0.7 V |
| Input Capacitance | 1.5 pF |
| Thermal Resistance Junction‑to‑Case (θ_JC) | 15.2 °C/W |
| Thermal Resistance Junction‑to‑Ambient (θ_JA) | 59 °C/W |
| Ambient Temperature Range | -25 °C to +90 °C |
| Input Leakage Current (I_IL) | -1 µA to +1 µA |
| TMDS Output Clock Frequency | 80 MHz |
| Audio Sample Rate (I²S and S/PDIF) | 32 kHz – 192 kHz |
| Digital Output Current | 20 mA |
It supports HDTV resolutions from 480i up to 1080i, including 720p, and computer graphics up to XGA (1024 × 768 @ 75 Hz).
Yes, the device implements HDCP 1.3 for secure transmission of protected content.
The transmitter operates from a single 1.8 V power supply.
It is specified for operation from –25 °C to +90 °C.