(China (Mainland))
Product Summary
The SAA7167A is is a mixed-mode designed IC containing a video data path, keying control block, analog mixer, and a voltage output amplifier, capable of converting digital video data to analog RGB video, and then mixing video and external analog RGB inputs. The operation of SAA7167A is controlled via the I2C-bus.
Parametrics
SAA7167A absolute maximum ratings: (1)digital supply voltage: 4.75 min, 5.0 typ, 5.25 max V; (2)analog supply voltage: 4.75 min, 5.0 typ, 5.25 max V; (3)total supply current (fclk = 50 MHz): 100 mA; (4)HIGH level input voltage (pin SDA): -3 to VDDD + 0.5 V; (5)LOW level input voltage (pin SDA): -0.5 to +1.5 V; (6)HIGH level digital input voltage: 2 min V; (7)LOW level digital input voltage: 0.8 max V; (8)full-scale analog RGB inputs: 0.7 V; (9)full scale analog RGB outputs (for 150 Ω load): 1.4 V.
Features
SAA7167A features: (1)On-chip mixing of digital video data and analog RGB signals; (2)Supports video input format of YUV 4 :2:2, 4:1:1, 2:1:1 and RGB 5:6:5; (3)Video input rate up to 50 MHz; (4)Allows for both binary and two complement video input data; (5)Triple 8-bit DACs for video output; (6)Built-in voltage output amplifier; (7)Provide keying control with external key and internal 8-bit, 2 × 8-bit and 3 × 8-bit pixel colour key; (8)Programmable via the I2C-bus; (9)5 V CMOS device; (10)LQFP48 package.
Diagrams
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