CS4954-CQZ Cirrus Logic Inc, CS4954-CQZ Datasheet - Page 30

• 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

30
Figure 18. Chrominance output interpolation filter transfer
Figure 20. Luminance interpolation filter transfer charac-
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
-0.5
-1.5
-2.5
-3.5
-1
1
0
0.5
-1
-2
-3
0
0
0
0.5
Luma Output Interpolation Filter Response at 27 MHz (-3 dB)
1
1
characteristic (passband)
2
Chroma Output Interpolator Pass band
1.5
terstic (passband)
3
Frequency (MHz)
Frequency (MHz)
2
2.5
4
3
5
3.5
6
4
4.5
7
5
8
Figure 19. Luminance interpolation filter transfer charac-
Figure 21. Chrominance interpolation filter transfer char-
-10
-15
-20
-25
-30
-35
-40
-10
-15
-20
-25
-30
-35
-40
-5
0
-5
0
0
0
Luma Output Interpolation Filter Response at 27MHz full scale
2
2
acteristic for RGB datapath
RGB datapath filter for rgb_bw = 0 full scale
4
4
teristic
Frequency (MHz)
Frequency (MHz)
6
6
CS4954 CS4955
8
8
10
10
12
DS278F6
12
14