Texas Instruments 45, 46, 27, 47, ADS5525 manual +Vcc, Inp

Page 27

D

C

1

 

 

 

 

2

 

 

 

 

 

3

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C11

C12

C13

C40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.1uF

.1uF

10uF

10uF

 

 

 

 

 

 

 

 

 

 

 

R24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

348

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP3

 

 

 

 

 

 

 

 

 

 

 

 

J1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SMA_END

C44

.1uF

 

R22

 

 

12

5

6

7

8

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

 

PD

Vs+

Vs+

Vs+

Vs+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

C45

 

 

 

 

 

5 4 3 2

 

 

 

 

 

N/C

 

 

 

 

3

 

 

R42

49.9

L3

 

 

 

 

 

 

 

2

 

 

 

Vout+

 

 

 

 

 

 

 

 

 

R20

R83

Vin-

 

U3

 

 

 

 

 

 

 

0 ohm

 

 

 

 

 

 

 

 

 

 

 

0 ohm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THS4509

 

 

 

 

 

 

 

 

 

 

 

 

69.8

499

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

Vin+

 

 

 

 

10

 

 

C47

R43

49.9

L4

 

 

VCM

 

 

 

 

 

4

 

 

 

Vout-

 

 

 

(Sh 1)

VCM

 

 

 

 

 

CM

 

 

 

 

 

 

 

 

 

0 ohm

 

 

 

 

 

 

 

 

 

 

 

 

0 ohm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CM

Vs-

Vs-

Vs-

Vs-

 

 

 

 

 

 

 

 

 

C16

 

C49

 

R84

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.1uF

 

.1uF

R21

499

 

9

13

14

15

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

69.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R23

 

 

 

 

 

R25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

348

 

 

 

 

 

 

 

R19

 

 

 

-VCC

 

 

 

 

49.9

C17

C29

C30

C41

C46

.1uF

.1uF

10uF

10uF

 

 

 

 

.22uF

 

 

 

 

56

 

 

 

 

 

 

 

 

 

 

 

 

AMPLIFIER PATH:

 

 

 

 

 

 

 

 

 

 

 

 

AC Couple (default)

 

 

 

 

 

 

 

 

 

 

 

 

C45 C47 = 0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

R26 R27 = 200 Ohms

 

 

 

 

 

 

 

 

 

 

 

 

R5 = 0 Ohms

 

 

 

 

 

 

 

 

 

 

 

 

VCC= 5 V, VEE = GND

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

DC Couple

 

 

 

 

 

 

 

 

 

 

 

 

C45 C47 = 0 Ohms

 

 

 

 

 

 

 

 

 

 

 

 

R26 R27 = Unpopulated

 

 

 

 

 

 

 

 

 

 

 

AMP_P

R5 = Unpopulated

 

 

 

 

 

 

 

 

 

 

 

VCC= 4 V, VEE = -1V

 

 

 

 

 

 

 

 

R44

 

R85

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2

 

 

 

4.7

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

20pF

 

C119

 

 

 

 

 

 

 

 

 

 

 

 

CM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C118

 

 

20pF

R47

 

R86

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20pF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7

 

 

AMP_M

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

J3

AIN

1

5 4 3 2

4

T1

3

 

 

R34

 

2

R15

R16

49.9

 

 

 

(Note 1)

 

 

200

200

61

TC4-1W

C62

C15

1

T2

 

6

.1uF

2

C113

34

TC4-1W

.1uF

C51

R35

49.9

R17

24.9

R36

49.9

C55

.1uF

AMP_M

CM CM

1

SJP4

2R37

(2-3)4.02

3

C52

.1uF (Note 1)

AMP_P

1

SJP5R38

Note : R12, C20, and R13 are to be un-populated

 

on ADS5525/45/46 EVMs.

 

R12, C20, and R13 may be populated for

 

future ADC boards; contact factory for details.

B

INM

INM

(Sh 1)

 

R12

36

C20 2pF

R13

36

A

Note 1. Part not1installed

.1uF

2

.1uF

3

2

(2-3)

3

4

4.02

INP

INP

(Sh 1)

 

 

 

ti

 

 

 

 

A

 

 

 

 

 

 

 

 

 

12500 TI Boulevard. Dallas, Texas 75243

 

 

Title:

ADS5545

 

 

 

 

 

 

 

 

 

 

Engineer: J. VENABLE

DOCUMENTCONTROL #

 

 

 

REV: B

 

5

Drawn By: Y. DEWONCK

 

6

 

 

FILE:

DATE: 17-Jul-2006

 

SIZE:

SHEET: 2 OF: 7

Image 27
Contents Users Guide Submit Documentation Feedback Contents List of Figures EVM Basic Functions Users GuideEVM Cmos Output Mode Quick Start EVM Lvds Output Mode Quick Start DefaultPower Schematic DiagramConfiguration Options DIP Switch SW1Dgnd GND EVM Power OptionsGND Agnd GNDDigital Outputs THS4509 + ADS5545 EVM Performance Clock InputCLK GND Output Connector J4Eye Diagram of Data on Header J4 Test Points LED Operation Custom Fpga Code Expansion SlotOptional USB SPI Interface Top Layer PCB LayoutLayer 2, Ground Plane Layer 3, Power Plane #1 Layer 4, Power Plane #2 Layer 5, Ground Plane Layer 6, Bottom Layer Bill of Materials Bill of Materials P0.0JCT-ND ERJ-3GEY0R00VP0.0GCT-ND ERJ-GE0R00XBill of Materials TPS75003RHLR QfnmodTHS4509RGTT XCF16PFSG48 48PINBGAXILINXSchematics for the EVM are on the following pages PCB Schematics+IN a ResetDrvdd VCM+VCC VCCINP Venable Clkp ClkmDewonck VCCO3 Ctrlle IOL12N1/A3/RHCLK7 ModeReset IOL10N3/LHCLK5 VCCO1Vccint Progb Vccint OE/RESET CLK Busy ClkoutCclk Done VccintFB3 EN3 EN2 SS2 SW2 IN2 IS2 SS3 Agnd EN1 SS1 Dgnd SW1 IN1 IS1IN3 FB1 OUT3 FB2 DgndOutpu Tbuffer ADC Digital SUPPLY3.3V Fpga Power SUPPLY5V Drvdd+ VCC VDDEvaluation BOARD/KIT Important Notice EVM Warnings and Restrictions FCC WarningImportant Notice

ADS5525, 27, 47, 45, 46 specifications

Texas Instruments is a leader in the field of analog and mixed-signal semiconductors and offers a diverse portfolio of high-performance products. Among its notable offerings are the ADCs (Analog-to-Digital Converters) such as the TI 46, 45, 47, 27, and the ADS5525. These devices are engineered to meet the demanding requirements of various applications, including communications, industrial, and medical systems.

The Texas Instruments 46 series ADCs are recognized for their high speed and precision. They utilize a 14-bit architecture with sampling rates of up to 1.5 GSPS, which makes them ideal for high-frequency applications such as communications and instrumentation. One of the key features is their ability to support a wide input bandwidth, which allows for accurate conversions of high-frequency signals.

The 45 series, similar in architecture, excels in environments where power efficiency is paramount. These ADCs are designed to consume less power while maintaining high performance. They offer a flexible sampling rate, providing options for both lower and higher intensity applications. This versatility is essential for handheld and portable devices where battery life is crucial.

Moving on to the 47 family, these devices focus on achieving high dynamic range and low distortion. Their architecture includes sophisticated digital filter options, enhancing the capability of noise reduction and signal integrity. With an impressive signal-to-noise ratio, the 47 series finds its usage in systems where performance cannot be compromised, such as high-end audio and video applications.

The 27 series ADCs provide an excellent combination of high performance and low latency, making them suitable for real-time analysis in various scenarios. They are equipped with advanced data acquisition features and can communicate seamlessly with modern digital signal processors and microcontrollers.

Finally, the ADS5525 is a standout in the lineup, offering a 12-bit resolution at a maximum sampling rate of 125 MSPS. This device is designed for a range of applications, including medical imaging and ultrasound systems. It boasts features such as an integrated digital filter and multiple power-saving modes, making it versatile and efficient in terms of energy consumption.

In summary, Texas Instruments' ADC lineup, including the 46, 45, 47, 27, and ADS5525, offers numerous features and technologies, catering to a wide range of applications through their respective specifications of speed, power efficiency, dynamic range, and ease of integration. These devices illustrate Texas Instruments' commitment to providing innovative solutions in the analog and mixed-signal domain.