Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsData collecting ICsData acquisition IC - DA converter (DAC) HTQFP 48

THS8136

www.ti.com

SLES236B –NOVEMBER 2008–REVISED APRIL 2013

TRIPLE 10-BIT 180-MSPS GRAPHICS AND VIDEO DAC

Check for Samples: THS8136

FEATURES

APPLICATIONS

• Triple 10-Bit Digital-to-Analog Converters

• Graphics and Video Generation

(DACs)

• High-Resolution Image Processing

• 180-MSPS Operation

• Generic Triple D/A Converter

• Direct Drive of Double-Terminated 75-Ω Load

Into Standard Video Levels

• Bi-Level Sync and Blank Level Generation

• Internal Voltage Reference

• Low-Power Operation From 3.3-V Analog and

1.8-V Digital Supply Levels

• 1.8-V Compatible Inputs

• Qualified for Automotive Applications

(AEC-Q100 Rev G – THS8136IPHPQ1,

THS8136IPHPRQ1)

DESCRIPTION

The THS8136 is a general-purpose triple high-speed digital-to-analog (D/A) converter optimized for use in

video/graphics applications. The device operates from 3.3-V analog and 1.8-V digital supplies with D/A converter

performance assured at sampling rates up to 180 MHz. The THS8136 consists of three 10-bit D/A converters

and additional circuitry for bi-level sync and blanking level generation. The current-steering DACs have been

specifically designed to produce standard video output levels when directly connected to a single-ended double-

terminated 75-Ω coaxial cable.

By providing a dc offset in sync insertion mode, the THS8136 can generate a bi-level sync on the AG DAC

output without sacrificing DAC resolution. Support is also provided for insertion of RGB or YPbPr reference or

blanking levels, irrespective of the DAC input codes. A generic DAC mode is provided for applications not

requiring sync generation. All digital inputs are 1.8-V compatible.

ORDERING INFORMATION

(1)

PACKAGED DEVICES

(2)

PACKAGE OPTION

PowerPAD™ TQFP-48 – PHP

THS8136PHP Tray

0°C to 70°C

THS8136PHPR Tape and reel

THS8136IPHP Tray

THS8136IPHPR Tape and reel

–40°C to 85°C

THS8136IPHPQ1

(3)

Tray

THS8136IPHPRQ1

(3)

Tape and reel

(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

(3) AEC-Q100 Rev G certified

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (18 pages)

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THS8136 www.ti.com SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 TRIPLE 10-BIT 180-MSPS GRAPHICS AND VIDEO DAC Check for Samples: THS8136 FEATURES APPLICATIONS • • • • 1 2 • • • • • • • Triple 10-Bit Digital-to-Analog Converters (DACs) 180-MSPS Operation Direct Drive of Double-Terminated 75-Ω Load Into Standard Video Levels Bi-Level Sync and Blank Level Generation Internal Voltage Reference Low-Power Operation From 3.3-V Analog and 1.8-V Digital Supply Levels 1.
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THS8136 SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 www.ti.
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THS8136 www.ti.com SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 TERMINAL FUNCTIONS TERMINAL NAME NO. I/O DESCRIPTION AB 45 O Analog blue current output, capable of directly driving a double terminated 75-Ω coaxial cable AG 41 O Analog green current output, capable of directly driving a double terminated 75-Ω coaxial cable AR 43 O Analog red current output, capable of directly driving a double terminated 75-Ω coaxial cable AVDD 40, 44 I Analog power supply (3.3 V).
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THS8136 SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 www.ti.com DETAILED DESCRIPTION The THS8136 is a fast well-matched triple DAC with current outputs optimized for graphics and video applications without sacrificing is usefulness as a generic DAC. The DAC output stages are designed to provide direct drive of doubly-terminated 75-Ω loads (37.5 Ω). The full-scale output current of all three DACs is determined by a single resistor connecting the FSADJ pin to AVSS (GND). A 3.
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THS8136 www.ti.com SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 Blanking Generation The BLANK control input forces the output amplitude on all channels to the blanking or reference level, irrespective of the value on the data input ports. The output blanking level on each channel and its relation to active video varies depending on the mode of operation. In generic DAC mode, the output blank level for each DAC is at 0 V and corresponds to a DAC input code of 0.
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THS8136 SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 www.ti.com IOUT 75-W Cable DACs ZL =75 W (Monitor) ZS = 75 W Figure 2. DAC Output Termination OUTPUT VOLTAGE vs FULL-SCALE RESISTANCE 1450 1350 VO – Output Voltage – mV 1250 Full-scale DAC output current adjustment at 37.5-W DAC termination 1150 1050 950 850 750 650 550 450 350 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.8 6.3 6.8 7.3 R(FS) – Full-Scale Resistance – kW Figure 3.
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THS8136 www.ti.com SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 Input Codes AR, AG, AB VO mV 1023 700 0 0 700 mV BLANK NOTE: BLANK = High in applications not requiring a forced blank level. RFS chosen for 700-mV output. RLOAD = 37.5 Ω Figure 4. Generic DAC Mode (M1 = Low, M2 = Low, SYNC = High, SYNC_T = High) Input Codes VO mV 1023 1050 0 350 700 mV AG 300 mV 50 SYNC BLANK AR, AB Input Codes VO mV 1023 1050 0 350 700 mV NOTE: RFS chosen for 700-mV output. RLOAD = 37.
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THS8136 SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 www.ti.com Input Codes VO mV 1023 1050 0 350 700 mV AG 300 mV 50 SYNC M2 BLANK Input Codes 700 mV VO mV 1023 700 512 350 0 0 AR, AB NOTE: RFS chosen for 700-mV output. RLOAD = 37.5 Ω Figure 6.
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THS8136 www.ti.com SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 ABSOLUTE MAXIMUM RATINGS (1) over operating free-air temperature range (unless otherwise noted) Supply voltage AVDD to AVSS –0.5 V to 3.6 V DVDD to DVSS –0.5 V to 1.95 V AVSS to DVSS –0.5 to 0.5 V Digital input voltage range to DVSS TA Operating free-air temperature range Tstg Storage temperature range VESD (1) (2) (3) (4) ESD stress voltage (2) –0.5 V to (DVDD + 0.
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THS8136 SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 www.ti.com POWER SUPPLY ELECTRICAL CHARACTERISTICS over recommended operating conditions, fCLK = 180 MHz, use of internal reference voltage VREF, RFS = RFS(nom), 37.
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THS8136 www.ti.com SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 ANALOG (DAC) OUTPUTS ELECTRICAL CHARACTERISTICS over recommended operating conditions, fCLK = 180 MHz, use of internal reference voltage VREF, RFS = RFS(nom), 37.5-Ω load termination (unless otherwise noted) PARAMETER TEST CONDITIONS MIN DAC resolution INL Integral nonlinearity -1/1 –2.5/1.5 Static, best fit, generic mode, 1.2 V output range –1/1 Static, RGB with sync insertion (700 + sync) –0.4/0.4 Static, generic mode, 1.
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THS8136 SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 www.ti.com TYPICAL CHARACTERISTICS CLK T0 T1 T2 T3 T4 T5 T6 T7 T8 R(0) R(1) R(2) R(3) R(4) R(5) R(6) R(7) R(8) G(0) G(1) G(2) G(3) G(4) G(5) G(6) G(7) G(8) B(0) B(1) B(2) B(3) B(4) B(5) B(6) B(7) B(8) Data Path Latency = 7.5 CLK Cycles R(0), G(0), B(0) Registered AR, AG, AB Output Corresponding to R(0), G(0), B(0) Figure 7. Input Data Internally Latched on Rising Edge of CLK (Data Path Latency is 7.
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THS8136 www.ti.com SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 APPLICATION INFORMATION DVDD AVDD FB FB D 1.8 V A 3.3 V 10 µF 10 µF 0.1 µF 0.1 µF 10 µF 0.1 µF 12 40 DVDD AVDD 44 AVDD 27–36 G[9:0] 1–10 FB 41 G[9:0] B[9:0] 10 µF AG 75 W 75 W B[9:0] FB 43 AR 13–22 R[9:0] R[9:0] 75 W 75 W FB 45 Monitor AB DVDD 23 24 2.2 kW AVDD SYNC 25 39 SYNC_T 0.1 µF 48 VSYNC 37 VREF CLK 47 HSYNC COMP 26 CLK 75 W 75 W THS8136 BLANK 0.1 µF M1 38 FSADJ M2 2.
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THS8136 SLES236B – NOVEMBER 2008 – REVISED APRIL 2013 www.ti.com REVISION HISTORY REVISION SLES236 14 COMMENTS Initial release SLES236A AEC-Q100 qualification added. Added ESD data to Absolute Maximum Ratings table. Power dissipation ratings changed to Thermal specifications. Modified Digital inputs - DC electrical characteristics table. SLES236B Figure 10, Added note concerning ESD protection.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.