MAX4399CTK+D Maxim Integrated Products, MAX4399CTK+D Datasheet

IC SW A/V SCART CON 68-TQFN

MAX4399CTK+D

Manufacturer Part Number
MAX4399CTK+D
Description
IC SW A/V SCART CON 68-TQFN
Manufacturer
Maxim Integrated Products
Type
Switchr
Datasheet
1.MAX4399CTKTD.pdf (33 pages)

Specifications of MAX4399CTK+D

Applications
Receivers, Set-Top Boxes, TV
Mounting Type
Surface Mount
Package / Case
68-TQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX4399 audio/video switch is ideal for digital set-
top box applications. The MAX4399 provides video and
audio routing from the MPEG decoder source to the TV,
VCR, and AUX SCART (peritelevision) connectors. In
addition, the TV audio channel features clickless
switching and programmable volume control from
-56dB to +6dB in 2dB steps. The device can mix an
auxiliary audio tone into the TV audio channel and can
mix the stereo audio signal into a mono audio signal.
The MAX4399 directly drives an external RF modulator
with a composite video with blanking and sound
(CVBS) signal created by an on-chip luma/chroma
(Y/C) mixer and external RLC trap filter. The MAX4399
features a fast-mode I
allowing communication at data rates up to 400kbps.
The MAX4399 operates with standard +5V and +12V
single supplies and supports slow and fast switching.
All video and audio inputs are AC-coupled. The DC
biases of all input and output signals are set to pre-
defined levels. All video outputs, including the RF mod-
ulator, drive standard 150Ω loads. Red, green, and
blue (RGB) outputs feature a programmable gain of
+6dB ±1dB. All other video outputs have a fixed +6dB
gain. The VCR and AUX audio output gains are pro-
grammable for -6dB, 0dB, and +6dB.
The MAX4399 is available in a compact 68-pin thin
QFN package and is specified for the 0°C to +70°C
commercial temperature range. The MAX4399 evalua-
tion kit is available to help speed designs.
19-2925; Rev 1; 7/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Satellite Receivers
Satellite Set-Top Boxes
Cable Set-Top Boxes
Terrestrial Set-Top Boxes
Game Consoles
TVs
Digital Television (DTV)
VCRs
DVD Players
DVD+R/W Players
________________________________________________________________ Maxim Integrated Products
General Description
2
C-compatible 2-wire interface
Audio/Video Switch for Three SCART
Applications
♦ Low -86dB Video Signal-to-Noise Ratio
♦ 150Ω Driver on All Video Outputs, Including the
♦ Full CVBS Loop-Through on AUX SCART
♦ Programmable Audio Gain Control of -56dB to
♦ Clickless Audio Switching (TV Audio Outputs)
♦ Programmable Clamp or Bias on Red/Chroma
♦ Programmable Video Gain of +6dB, ±1dB on RGB
♦ +5V and +12V Standard Supply Voltages
♦ 27MHz -3dB Large-Signal Bandwidth on All Video
♦ Supports Three SCART Connectors
MAX4399CTK
RF Modulator
+6dB (TV Audio Outputs)
Video Inputs
Outputs
Drivers
PART
SATELLITE DISH
CONNECTOR
VCR SCART
ENCODER
STB
2-WIRE INTERFACE
I
2
C-COMPATIBLE
SLOW SWITCHING
TEMP RANGE PIN-PACKAGE PKG CODE
FAST SWITCHING
FAST SWITCHING
0°C to +70°C
Typical Operating Circuit
TONE INPUT
R/L AUDIO
R/L AUDIO
S-VHS
S-VHS
CVBS
CVBS
RGB
RGB
Ordering Information
GROUND
VIDEO
VIDEO
+5V
MAX4399
GROUND
DIGITAL
SWITCH
MATRIX
DIGITAL
SCART
+5V
Connectors
GROUND
AUDIO
AUDIO
+12V
68 Thin QFN
SLOW SWITCHING
R/L PHONO AUDIO
SLOW SWITCHING
FAST SWITCHING
MONO AUDIO
R/L AUDIO
R/L AUDIO
S-VHS
S-VHS
CVBS
CVBS
CVBS
RGB
SUBCARRIER TRAP
CONNECTOR
MODULATOR
CONNECTOR
AUXILIARY
TV SCART
CHANNEL
Features
SCART
3/4 RF
T6800-3
1

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MAX4399CTK+D Summary of contents

Page 1

... Digital Television (DTV) VCRs DVD Players DVD+R/W Players ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ Low -86dB Video Signal-to-Noise Ratio ♦ 150Ω Driver on All Video Outputs, Including the RF Modulator ♦ ...

Page 2

Audio/Video Switch for Three SCART Connectors ABSOLUTE MAXIMUM RATINGS Voltages V_VID to G_VID .....................................................-0.3V to +6V V12 to G_AUD .....................................................-0.3V to +14V V_DIG to G_DIG ....................................................-0.3V to +6V G_AUD to G_DIG ...............................................-0.1V to +0.1V G_VID to G_DIG .................................................-0.1V to +0.1V ...

Page 3

Audio/Video Switch for Three SCART ELECTRICAL CHARACTERISTICS (continued 12V 5V 5V, 0.47µF X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V_AUD to V12 V_VID V_DIG G_AUD, no load 0°C ...

Page 4

Audio/Video Switch for Three SCART Connectors ELECTRICAL CHARACTERISTICS (continued 12V 5V 5V, 0.47µF X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V_AUD to V12 V_VID V_DIG G_AUD, no load ...

Page 5

Audio/Video Switch for Three SCART ELECTRICAL CHARACTERISTICS (continued 12V 5V 5V, 0.47µF X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V_AUD to V12 V_VID V_DIG G_AUD, no load 0°C ...

Page 6

Audio/Video Switch for Three SCART Connectors (V = 12V 5V 5V, 0.47µF ceramic X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V12 V_VID V_DIG V_AUD to G_AUD, no load +25°C, unless ...

Page 7

Audio/Video Switch for Three SCART (V = 12V 5V 5V, 0.47µF ceramic X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V12 V_VID V_DIG V_AUD to G_AUD, no load +25°C, unless otherwise ...

Page 8

Audio/Video Switch for Three SCART Connectors (V = 12V 5V 5V, 0.47µF ceramic X5R capacitor in parallel with a 10µF aluminum electrolytic capacitor from V12 V_VID V_DIG V_AUD to G_AUD, no load +25°C, unless ...

Page 9

Audio/Video Switch for Three SCART PIN NAME 17 TV_L_IN TV SCART Left-Channel Audio Input 18, 26 G_AUD Audio Ground 19 AUX_L_OUT AUX SCART Left-Channel Audio Output 20 AUX_R_OUT AUX SCART Right-Channel Audio Output 21 VCR_R_OUT VCR SCART Right-Channel Audio Output ...

Page 10

Audio/Video Switch for Three SCART Connectors PIN NAME 53 TV_Y/CVBS_IN TV SCART Luma/Composite Video Input. Internally biased at 1.22V. 54 AUX_R/C_IN AUX SCART Red/Chroma Video Input. Internally biased at 1.22V for red, or 1.8V for chroma. 55 AUX_Y/CVBS_IN AUX SCART ...

Page 11

Audio/Video Switch for Three SCART MAX4399 VGA 5dB, 6dB, 7dB TV_R/C_OUT PULL- DOWN TV_R/C_IN CLAMP/BIAS VIDEO INPUT CLAMP Figure 1. Bidirectional SCART Pins The inputs and outputs are grouped by SCART connec- tors: TV, VCR, and AUX. While the SCART ...

Page 12

Audio/Video Switch for Three SCART Connectors from the Y and C signals to drive the legacy RF_CVBS_OUT output. The circuit is shown as a sum- ming point with bias in Figure 2. The MAX4399 sums Y and C to get ...

Page 13

Audio/Video Switch for Three SCART CLAMP/BIAS TV_R/C_IN CLAMP TV_Y/CVBS_IN AUX_Y/CVBS_IN CLAMP CLAMP/BIAS AUX_R/C_IN VCR_B_IN CLAMP VCR_G_IN CLAMP CLAMP/BIAS VCR_R/C_IN VCR_FS_IN 0.7V CLAMP VCR_Y/CVBS_IN ENC_Y/CVBS_IN CLAMP CLAMP/BIAS ENC_R/C_IN CLAMP ENC_G_IN ENC_B_IN CLAMP CLAMP ENC_Y_IN ENC_FS_IN 0.7V BIAS ENC_C_IN BIAS MAX4399 Figure ...

Page 14

Audio/Video Switch for Three SCART Connectors TO AUDIO BLOCK 2 VCR_L_IN 0dB MUTE TV_L_IN 0dB AUX_L_IN 0dB ENC_L_IN 0dB INPUT SOURCE SWITCHES 6dB 0dB ST_AUX_IN 6dB ENC_R_IN 0dB AUX_R_IN 0dB TV_R_IN 0dB MUTE 0dB VCR_R_IN INPUT SOURCE SWITCHES TO AUDIO ...

Page 15

Audio/Video Switch for Three SCART MUTE VCR_LB TV_LB AUX_LB ENC_LB STEN_LB SOURCE SWITCHES FROM BUFFER OUTPUTS ON AUDIO BLOCK 1 INPUT SOURCE SWITCHES STEN_RB ENC_RB AUX_RB TV_RB VCR_RB MUTE MUTE VCR_LB TV_LB AUX_LB ENC_LB STEN_LB INPUT SOURCE SWITCHES FROM BUFFER ...

Page 16

Audio/Video Switch for Three SCART Connectors SDA DAT t LOW SCL t HIGH STA t R START CONDITION Figure 5. Timing Diagram for SDA and SCL Signals Zero-Cross (Clickless) Switching The TV channel incorporates ...

Page 17

Audio/Video Switch for Three SCART µC SDA SCL SCL V_DIG MAX4399 SDA SCL V OTHER DEVICE #1 SDA SCL V OTHER DEVICE #2 SDA OPTIONAL. S Figure 6. Multiple Devices Controlled by a 2-Wire ...

Page 18

Audio/Video Switch for Three SCART Connectors 2-Wire Interface Slave Address Connect DEV_ADDR to G_DIG or V_DIG to set the MAX4399 write and read addresses as shown in Data Register Writing and Reading Program the SCART video and audio switches by ...

Page 19

Audio/Video Switch for Three SCART +5V 0.1µF 1µF MPEG DECODER IN1 CVBS D/A IN2 Y D/A IN3 C D/A IN4 R D/A IN5 G D/A IN6 B D/A Figure 9. MPEG Decoder Outputs Filtered by the MAX7440 Before Being Passed ...

Page 20

Audio/Video Switch for Three SCART Connectors 68 67 +5V DIGITAL SUPPLY 0.1µF 1 V_DIG 2 DEV_ADDR DEV_ADDR 3 SDA SDA 4 SCL SCL 5 INTERRUPT_OUT INTERRUPT_OUT 6 G_DIG 10kΩ 7 ENC_L_IN ENC_L_IN_SC 10kΩ 8 ST_AUX_IN ST_AUX_IN_SC 10kΩ 9 ENC_R_IN ENC_R_IN_SC ...

Page 21

Audio/Video Switch for Three SCART Read Mode: Output Data Format Table 4. Read Mode Output Data Format REGISTER BIT 7 BIT 6 ADDRESS Power-on 0Eh Not used reset Write Mode: Description of Registers Table 5. Register 00h: Audio Control DESCRIPTION ...

Page 22

Audio/Video Switch for Three SCART Connectors Table 6. Register 01h: TV Audio DESCRIPTION Input Source for TV Audio TV Mono Switch Settings 22 ______________________________________________________________________________________ BIT — — — — — — ...

Page 23

Audio/Video Switch for Three SCART Table 7. Register 02h: VCR Audio DESCRIPTION Input Source for VCR Audio VCR Mono Switch Settings VCR Volume Control ______________________________________________________________________________________ BIT — — — — — ...

Page 24

Audio/Video Switch for Three SCART Connectors Table 8. Register 03h: AUX Audio DESCRIPTION Input Source for AUX Audio AUX Mono Switch Settings AUX Volume Control 24 ______________________________________________________________________________________ BIT — — — — — ...

Page 25

Audio/Video Switch for Three SCART Table 9. Register 04h: Volume Control Bypass DESCRIPTION Phono Volume Bypass TV Volume Bypass Interrupt Enable Table 10. Register 05h: Encoder Video Input Control DESCRIPTION ENC_R/C_IN Clamp/Bias Table 11. Register 06h: TV Video Input Control ...

Page 26

Audio/Video Switch for Three SCART Connectors Table 12. Register 07h: TV Video Output Control DESCRIPTION Set TV Slow Switching TV_R/C_OUT Ground Fast Switching TV_Y/CVBS_OUT Switch RF_CVBS_OUT Switch Table 13. Register 08h: VCR Video Input Control DESCRIPTION Input Sources for VCR ...

Page 27

Audio/Video Switch for Three SCART Table 14. 09h: VCR Video Output Control DESCRIPTION Set VCR Slow Switching VCR_R/C_OUT Ground Table 15. Register 0Ah: AUX Video Input Control DESCRIPTION Input Sources for AUX Video AUX_R/C_IN Clamp/Bias Table 16. Register 0Bh: AUX ...

Page 28

Audio/Video Switch for Three SCART Connectors Table 17. Register 0Ch: Output Enable DESCRIPTION VCR_R/C_OUT VCR_Y/CVBS_OUT Table 18. Register 0Dh: Output Enable DESCRIPTION RF_CVBS_OUT TV_FS_OUT TV_Y/CVBS_OUT TV_B_OUT TV_G_OUT TV_R/C_OUT AUX_R/C_OUT AUX_Y/CVBS_OUT 28 ______________________________________________________________________________________ BIT ...

Page 29

Audio/Video Switch for Three SCART Read Mode: Description of Register Table 19. Register 0Eh: Status DESCRIPTION TV Slow Switch Status VCR Slow Switch Status AUX Slow Switch Status Power-On Reset ______________________________________________________________________________________ BIT — ...

Page 30

Audio/Video Switch for Three SCART Connectors 68 67 +5V DIGITAL SUPPLY 1 V_DIG 2 DEV_ADDR DEV_ADDR 3 SDA SDA 4 SCL SCL 5 INTERRUPT_OUT INTERRUPT_OUT 6 G_DIG 10kΩ 7 ENC_L_IN ENC_L_IN_SC 10kΩ 8 ST_AUX_IN ST_AUX_IN_SC 10kΩ 9 ENC_R_IN ENC_R_IN_SC 10 ...

Page 31

Audio/Video Switch for Three SCART TOP VIEW V_DIG 1 DEV_ADDR 2 SDA 3 SCL 4 INTERRUPT_OUT 5 G_DIG 6 ENC_L_IN 7 ST_AUX_IN 8 ENC_R_IN 9 AUD_BIAS 10 V_AUD 11 AUX_L_IN 12 AUX_R_IN 13 VCR_R_IN ...

Page 32

Audio/Video Switch for Three SCART Connectors (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 32 ______________________________________________________________________________________ Package Information PACKAGE OUTLINE 68L THIN QFN, 10x10x0.8mm 1 ...

Page 33

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 33 © 2006 Maxim Integrated Products ...

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