Texas Instruments TAS5110D6REF Instrukcja Użytkownika Strona 1

TAS5110D6REFReference Design for the TAS5110DAD DigitalAudio PWM Power Output StageJuly 2003 Digital Audio/ApplicationUser’s GuideSLEU032

TAS5110D6REF Features1-21.1 TAS5110D6REF Features- Six channel TDAA reference design (double-sided plated-through PCBlayout)- Supports noiseless self-

PCB Key Map1-3Introduction1.2 PCB Key MapThe physical structure for the TAS5110D6REF is illustrated in Figure 1–2.Figure 1–2. Physical Structure for t

PCB Key Map1-41.3 Short-Circuit Protection and Fault Reporting CircuitryThe TAS5110 is a self-protecting device that provides device fault reporting(i

PCB Key Map1-5Introduction- H-bridge outputs (OUTPUTA and OUTPUTB) are in a high-impedancestate (Hi-Z state).- ERR_RCVY at the PWM processor is forced

1-6

2-1System Interfaces System InterfacesThis chapter describes the TAS5110D6REF system interfaces.Topic Page2.1 PSU Interface (J150) 2-2. . . . . . . .

PSU Interface (J150)2-22.1 PSU Interface (J150)The TAS5110D6DAD board must be powered from external power supplies.High-end audio performance requires

PSU Control Interface (J160)2-3System Interfaces2.2 PSU Control Interface (J160)This interface is not used in this board.Figure 2–3. Pin Numbers at th

PWM Interface (J100)2-42.4 PWM Interface (J100)This interface connects the TAS5110D6REF board to the PWM processormodule (e.g., TAS5026REF).Figure 2–5

PWM Interface (J100)2-5System InterfacesTable 2–4. J100 Pin Description (Continued)Pin No. Net Name Description28 PWM–AM–5 Channel 5 PWM input (differ

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,enhancements, improvemen

2-6

3-1Electrical Specifications and Typical Characteristics Graphs Electrical Specifications and TypicalCharacteristics GraphsThis chapter contains the e

TAS5110D6REF Electrical Specifications3-23.1 TAS5110D6REF Electrical SpecificationsGeneral Test ConditionsPARAMETER TEST CONDITIONS MIN TYP MAX UNITOu

Typical Characteristics Graphs3-3Electrical Specifications and Typical Characteristics Graphs3.3 Typical Characteristics GraphsFigure 3–1. THD+N vs Po

Typical Characteristics Graphs3-4Figure 3–3. FFT With –60 dB Input Signal – Channel 1–140+0–135–130–125–120–115–110–105–100–95–90–85–80–75–70–65–60–55

Typical Characteristics Graphs3-5Electrical Specifications and Typical Characteristics GraphsFigure 3–5. Channel Separation vs Frequency – Channel 1–1

Typical Characteristics Graphs3-6–1010–9–8–7–6–5–4–3–2–10123456789CURRENTA38m42m38.5m 39m 39.5m 40m 40.5m 41m 41.5mPower Supply = 26.5 V DCInput Signa

4-1Schematic, Parts List, PCB Specification, and PCB Layout Schematic, Parts List, PCB Specification, andPCB LayoutThe chapter contains the schematic,

TIDIGITAL AUDIO GROUPALL RIGHTS RESERVED - PATENTS PENDINGTEXAS INSTRUMENTS INCORPORATEDINPUT SECTIONTAS5110D6REF

TIDIGITAL AUDIO GROUPALL RIGHTS RESERVED - PATENTS PENDINGTEXAS INSTRUMENTS INCORPORATEDPatents pending in circuitry design and layout (WO99/59241 &am

EVM IMPORTANT NOTICETexas Instruments (TI) provides the enclosed product(s) under the following conditions:This evaluation kit being sold by TI is int

TIDIGITAL AUDIO GROUPALL RIGHTS RESERVED - PATENTS PENDINGTEXAS INSTRUMENTS INCORPORATEDPatents pending in circuitry design and layout (WO99/59241 &am

TIDIGITAL AUDIO GROUPALL RIGHTS RESERVED - PATENTS PENDINGTEXAS INSTRUMENTS INCORPORATEDPatents pending in circuitry design and layout (WO99/59241 &am

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberR121 100210000 100R 5% 200 ppm 100-mW metalfilm 0603 BC Components DCT 06

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberR420 100210090 10R0 5% 200 ppm 100-mW metalfilm 0603 BC Components DCT 06

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberC208 200011040 100 nF 50 V 20% X7R 0805 Philips 2222 580 16741C222 200011

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberC100 200041060 10 uF 16 V 20% LYT LY4x5SMD Panasonic ECE V 1C A 100 SRC10

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberC320 200061010 100 pF 50 V 10% NP0 0603 KEMET C0603C101K5GACC400 20006101

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberL481 350101031 10uH 8A 10% 28mR TOKIN SBPSC-11R310-100ALED121 405000810 R

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberJ380 700300020 2 pin 3,96 mm pitch header MY2S JST B 2P-VHJ440 700300020

Ref Des Part Number Description Housing Manufacturer Manufacturer Part NumberL263TraceA trace in the PCBL360TraceA trace in the PCBL361TraceA trace in

EVM WARNINGS AND RESTRICTIONSIt is important to operate this EVM within the specified input and output ranges described inthe EVM User’s Guide.Exceedi

TI TAS5110D6REF PCB SPECIFICATION (1.00) Claus Reckweg Page 1 of 1 TAS5110D6

Information About Cautions and Warningsiii PrefaceRead This FirstAbout This ManualThis manual describes the operation of the TAS5110D6REF evaluationm

Related Documentation From Texas InstrumentsivRelated Documentation From Texas InstrumentsThe following is a list of data manual that have detailed de

Contentsv Contents1 Introduction 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ContentsviFigures1–1 TDAA System With TAS5026REF/TAS5036 and TAS5110D6REF Modules 1-2. . . . . . . . . . . 1–2 Physical Structure for the TAS5110D6REF

1-1 IntroductionThe true digital audio amplifiers (TDAA) system consists of a PCM–PWMmodulator device and a PWM power output device. The PCM–PWMproces