tda8757c NXP Semiconductors, tda8757c Datasheet
tda8757c
Related parts for tda8757c
tda8757c Summary of contents
Page 1
... Triple 8-bit ADC 205 Msps Rev. 01 — 14 August 2002 1. General description The TDA8757C is a triple 8-bit ADC for the digitizing of large bandwidth RGB/YUV signals at a sampling rate up to 205 Msps. The IC supports display resolutions up to 1600 The IC also includes a PLL that can be locked to the horizontal line frequency and generates the ADC clock ...
Page 2
... MHz clk from analog input to digital output; full-scale; sine wave input 205 MHz clk V = 2.5 V with ref 100 ppm/ C maximum 3 dB amb Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps Min Typ Max Unit 4.75 5.0 5.25 V 4.75 5.0 5.25 V 4.75 5.0 5. ...
Page 3
... MHz i 100 f = 205 MHz; sine wave clk input f = 205 MHz clk 20 1.4 mm; exposed die pad Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps Typ Max Unit 4 ns 4095 1.7 W 336 ps Sampling frequency Version (MHz) ...
Page 4
... REGULATOR 2 I C-bus 130 132 4 2 141 SW1 HSYNC DEC1 DEC2 CZ Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps CLP R 6 BOT R 8 114 to 121 100 to 107 OUTPUT 113 CLP G 16 ...
Page 5
... C-bus bits REGISTER COARSE GAIN ADJUST (F ) GAINC HSYNC stands for B). Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps CKDMX C-bus bits 8 OUTPUTS AND OUTPUTS ...
Page 6
... VCO PHASE 2 I C-bus C-bus: 2 bits 1 bit (Vco) (Ckext) (Di) SYNCHRO MUX 2 I C-bus: 1 bit (Ckrs) Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps INV CKADC 0/180 CKDMX 2 I C-bus: 1 bit (Odda) / MUX 2 I C-bus: 2 bits 2 (Ckdd, Ckdp C-bus: ...
Page 7
... V CCA( AGND B 33 n.c. 34 n.c. 35 n.c. 36 Fig 4. Pin configuration. 9397 750 10111 Preliminary data TDA8757CHV Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps n.c. 108 107 B7 R 106 B6 R 105 B5 R 104 B4 R 103 B3 R 102 B2 R 101 B1 R ...
Page 8
... B 34 not connected 35 not connected 36 not connected 37 selection input between I (active LOW C-bus address control input 1 Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps 2 C-bus (active HIGH) and 3W-bus © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 9
... ADC output A bit 4 76 blue channel ADC output A bit 5 77 blue channel ADC output A bit 6 78 blue channel ADC output A bit 7 (MSB) Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 10
... ADC output A bit 2 117 red channel ADC output A bit 3 118 red channel ADC output A bit 4 119 red channel ADC output A bit 5 Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 11
... PLL filter input 142 PLL analog ground PLL 143 PLL analog supply voltage 144 not connected exposed die pad connection Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps 2 C-bus 2 C-bus © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 12
... C-bus bit Slevel = 1 300 mV Table 5). Each clamp must be able to correct an , CLP and CLP Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps (AC-coupled). When SOG 2 C-bus bit ‘Slevel’ has to be set to (TTL level compatible signal). 005aaa009 1 LSB (YUV). ...
Page 13
... V (DC), with a maximum variation of 100 ppm ref The ADCs inputs become this reference signal and 16 ref Table 6). Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps 255 constant level ADC 0 constant level FCE698 © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 14
... This mode is activated through the serial interface by setting bit ‘Blk’ to logic 1 in register DEMUX. The TDA8757C provides outputs either on one port (port two ports (ports A and B). The selection is made with the serial interface by setting bit ‘Dmx’ to logic 0 or logic 1 in register DEMUX ...
Page 15
... I ’ close as possible to this limit (Lim PLL ref -------------------------------------------------- K 0 Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps ODD EVEN FCE708 Table must be chosen so that: cp © Koninklijke Philips Electronics N.V. 2002. All rights reserved. 9). ( ...
Page 16
... PLL loop filter. The recommended and C = 150 pF 3). Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps give the same result, a calculating cp ns, compared to © Koninklijke Philips Electronics N.V. 2002. All rights reserved (2) ...
Page 17
... Cg6 Cg5 0 1 SW2 SW1 Slevel 1 0 Ob7 Ob6 Ob5 1 1 Ob8 Cb6 Cb5 Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps t CKAO t CKREFO FCE699 Figure (if phase <01000) CKAO CLK(pixel) T CLK pixel Table 4. LSB Mode Sa3 Sa2 Sa1 ...
Page 18
... Coding Clamp code 63.5 63 62.5 ... 0 ... 63.5 64 120 ... 136 Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps Default value LSB Fb3 Fb2 Fb1 Fb0 XX00 0000 Do Ip2 Ip1 Ip0 0000 0111 Di10 ...
Page 19
... Typical gain correspondence (COARSE) Gain 0.825 2 for N = 32). COARSE Typical gain correspondence (FINE) Gain 0.825 0.878 FINE Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps COARSE 32 . 512 N – ref FINE 6. The gain is linear with reference to the full-scale ( ...
Page 20
... Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps 2 C-bus and command 2 C-bus control bits ‘Vlevel’ Current ( A) 6.25 12 100 200 400 700 © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 21
... VCO gain control Vco0 VCO gain (MHz/ 115 2 C-bus programming is done in mode 1 and the bit ‘Di0’ has to be Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps Resistance (k ) high-impedance 9 6.4 4.5 3.2 2.25 1.6 1.1 Pixel clock frequency range (MHz ...
Page 22
... Register format C-bus is 1001 1XX0. 2 C-bus are standard. Two sequences are available; and 14. Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps P0 Phase shift (deg 11.25 ... ... 0 337.5 1 348.75 Figure © ...
Page 23
... Table 4) A DATA A REGISTER1 (see Table h3W = 100 ns Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps SUBADDRESS A ... P REGISTER2 DATA A ... P REGISTER2 Table 4). 100 FCE707 © Koninklijke Philips Electronics N.V. 2002. All rights reserved. ...
Page 24
... DDD V V CCD DDD RGB input voltage range referenced to AGND output current storage temperature ambient temperature junction temperature Typical thermal characteristics Parameter thermal resistance from junction to ambient Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps Min Max Unit 0.3 +7.0 V 0.3 +7.0 V 0.3 +7.0 V 0.3 +7 ...
Page 25
... LSB minimum coarse gain; code = 32 maximum coarse gain; code = 99 Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps = 4. 5.25 V DDD connected together 3.3 V and unless otherwise amb Min ...
Page 26
... MHz clk Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps = 4. 5.25 V DDD connected together unless otherwise amb Min Typ Max Unit ...
Page 27
... MHz clk f = 205 MHz clk f = 205 MHz clk referenced to CKDATA Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps = 4. 5.25 V DDD connected together unless otherwise amb Min Typ Max Unit 12 205 MHz 2 step 11 ...
Page 28
... SCL and SDA for SCL and SDA repeated start f = 100 kHz SCL Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps = 4. 5.25 V DDD connected together 3.3 V and unless otherwise amb Min Typ Max Unit ...
Page 29
... Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps = 4. 5.25 V DDD connected together 3.3 V and unless otherwise CCO amb Min Typ Max 300 4.0 400 . All the timings are given for ...
Page 30
... Sample n 2 Sample n 1 Sample Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps 50 h(o) Sample n 3 FCE700 ...
Page 31
... Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps MGW781 MGW780 MGW784 ...
Page 32
... Fig 18. Application diagram. 9397 750 10111 Preliminary data 150 pF TDA8757CHV Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps n.c. 108 B7 R 107 B6 R 106 B5 R 105 B4 R 104 B3 R 103 B2 R 102 B1 R 101 B0 R 100 ...
Page 33
... scale (1) ( 20.1 7.1 20.1 7.1 22.15 22.15 0.5 19.9 6.9 19.9 6.9 21.85 21.85 REFERENCES JEDEC JEITA MS-026 Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps SOT612 detail X (1) ( 0.75 1.4 1.4 1 0.2 0.08 0.08 0.45 1.1 1.1 EUROPEAN ISSUE DATE ...
Page 34
... Preliminary data Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 35
... Preliminary data Suitability of surface mount IC packages for wave and reflow soldering methods [1] [4] , SO, SOJ Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps Soldering method Wave Reflow not suitable suitable [3] not suitable ...
Page 36
... Philips Semiconductors 17. Revision history Table 20: Revision history Rev Date CPCN Description 01 20020814 - Preliminary data (9397 750 10111). 9397 750 10111 Preliminary data Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps © Koninklijke Philips Electronics N.V. 2002. All rights reserved ...
Page 37
... Licenses Purchase of Philips I Rev. 01 — 14 August 2002 TDA8757C Triple 8-bit ADC 205 Msps 2 C components 2 Purchase of Philips I C components conveys a license 2 under the Philips’ ...
Page 38
... Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Date of release: 14 August 2002 Document order number: 9397 750 10111 TDA8757C Triple 8-bit ADC 205 Msps 20 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 21 ...