CS4954-CQZ Cirrus Logic Inc, CS4954-CQZ Datasheet - Page 31

• Manufacturer Part Number: CS4954-CQZ
• Description: IC VIDEO ENCODER NTSC/PAL 48TQFP
• Manufacturer: Cirrus Logic Inc
• Type: Video Encoderr

Specifications of CS4954-CQZ

• Package / Case: 48-TQFP, 48-VQFP
• Voltage - Supply, Analog: 3.15 V ~ 5.25 V
• Voltage - Supply, Digital: 3.15 V ~ 5.25 V
• Mounting Type: Surface Mount
• Operating Supply Voltage: 3.3 V / 5 V
• Supply Current: 70 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Channels: 2
• Resolution: 10 bit
• Snr: 70 dB
• Input Format: Digital
• Output Format: Analog
• Supply Voltage Range: 3.15V To 3.45V
• Operating Temperature Range: -40°C To +85°C
• Tv / Video Case Style: TQFP
• No. Of Pins: 48
• Tv / Video Type: Encoder
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: CDB4955A - EVALUATION BOARD FOR CS4955A
• Applications: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1682

DS278F6
Figure 22. Chroma Interpolator for RGB Datapath when
Figure 24. Chroma Interpolator for RGB Datapath when
-0.5
-1.5
-2.5
0.5
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-3
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1
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RGB datapath filter when rgb_bw = 1 (Reduced Bandwidth) (-3 dB)
2
rgb_bw=1 (Reduced Bandwidth)
2
RGB datapath filter for rgb_bw = 0 (-3 dB)
4
4
rgb_bw=0 -3 dB
Frequency (MHz)
Frequency (MHz)
6
6
8
8
10
10
12
12
Figure 23. Chroma Interpolator for RGB Datapath when
Figure 25. Chroma Interpolator for RGB Datapath when
-10
-15
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-35
-40
-45
-5
0
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-40
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2
RGB datapath filter when rgb_bw = 1 (Reduced Bandwidth)
rgb_bw=1 (Reduced Bandwidth)
5
rgb_bw=0 (Full Scale)
4
Chroma Output Interpolator Full Scale
Frequency (MHz)
10
Frequency (MHz)
6
CS4954 CS4955
8
15
10
20
12
25
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