ADV3228

Data Sheet 750 MHz, 8 × 8 Analog Crosspoint Switch ADV3228/ADV3229 FEATURES 8 × 8 high speed, nonblocking switch array Pinout and functionally equivalent to the AD8108/AD8109 Drop-in compatible with ADV3224/ADV3225 16 × 8 array Complete solution Buffered inputs Programmable high impedance outputs 8 output amplifiers, G = +1 (ADV3228), G = +2 (ADV3229) Drives 150 Ω loads Operates on ±5 V supplies Low power: 0.5 W Excellent ac performance −3 dB bandwidth 200 mV p-p: 1200 MHz (ADV3228), 900 MHz (ADV3229) 2 V p-p: 750 MHz (ADV3228), 850 MHz (ADV3229) 0.5 dB flatness (2 V p-p): 250 MHz (ADV3228), 235 MHz (ADV3229) Slew rate: 2500 V/µs Serial or parallel programming of switch array 72-lead LFCSP (10 mm × 10 mm) CLK DATAIN UPDATE CE RESET FUNCTIONAL BLOCK DIAGRAM SER/PAR D0 D1 D2 D3 A0 A1 A2 40-BIT SHIFT REGISTER WITH 4-BIT PARALLEL LOADING DATAOUT 32 8 (RESERVED) PARALLEL LATCH 32 DECODE 8 × 4:8 DECODERS SET INDIVIDUAL OR RESET ALL OUTPUTS TO OFF 8 ADV3228/ ADV3229 OUTPUT 64 BUFFER G = +1, G = +2 SWITCH 8 OUTPUTS ENABLED/DISABLED 8 INPUTS APPLICATIONS Routing of high speed signals including Video (NTSC, PAL, S, SECAM, YUV, RGB) Compressed video (MPEG, wavelet) 3-level digital video (HDB3) Data communications Telecommunications Figure 1. GENERAL DESCRIPTION The ADV3228/ADV3229 are high speed 8 × 8 analog crosspoint switch matrices. They offer a −3 dB large signal bandwidth of 750 MHz (ADV3228) and a slew rate of 2500 V/µs. The ADV3228/ADV3229 include eight indep...