ADS4142IRGZT datasheet(5/74 Pages) TI1

tên linh kiện	ADS4142IRGZT

Giải thích chi tiết về linh kiện	Ultra Low-Power ADC

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nhà sản xuất	TI1 [Texas Instruments]

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5 / 74 page

36

35

34

33

32

31

30

29

28

27

26

25

12

11

10

9

8

7

6

5

4

3

2

1

DRGND

DRVDD

D1

D0

NC

RESET

SCLK

SDATA

SEN

AVDD

AGND

DRGND

DRVDD

OVR_SDOUT

UNUSED

CLKOUT

DFS

OE

AVDD

AGND

CLKP

CLKM

AGND

Thermal Pad

36

35

34

33

32

31

30

29

28

27

26

25

12

11

10

9

8

7

6

5

4

3

2

1

DRGND

DRVDD

NC

RESET

SCLK

SDATA

SEN

AVDD

AGND

DRGND

DRVDD

OVR_SDOUT

UNUSED

CLKOUT

DFS

OE

AVDD

AGND

CLKP

CLKM

AGND

Thermal Pad

5

ADS4122, ADS4125, ADS4142, ADS4145

www.ti.com

SBAS520B – FEBRUARY 2011 – REVISED JANUARY 2016

Product Folder Links: ADS4122 ADS4125 ADS4142 ADS4145

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Pin Functions - LVDS Mode (continued)

I/O

DESCRIPTION

NAME

ADS412x

ADS414x

NC

21, 31, 32, 33, 34

21, 31, 32

–

Do not connect

OE

7

I

Output buffer enable input, active high; this pin has an internal 180-k

Ω pull-up resistor to DRVDD.

OVR_SDOUT

3

O

This pin functions as an out-of-range indicator after reset, when register bit

READOUT = 0, and functions as a serial register readout pin when READOUT = 1.

RESERVED

23

I

Digital control pin, reserved for future use

RESET

30

I

Serial interface RESET input.

When using the serial interface mode, the internal registers must initialize through hardware

RESET by applying a high pulse on this pin or by using the software reset option; refer to the

Serial Interface section.

When RESET is tied high, the internal registers are reset to the default values. In this condition,

SEN can be used as an analog control pin.

RESET has an internal 180-k

Ω pull-down resistor.

SCLK

29

I

This pin functions as a serial interface clock input when RESET is low. When RESET is high,

SCLK has no function and should be tied to ground. This pin has an internal 180-k

Ω pull-down

resistor.

SDATA

28

I

This pin functions as a serial interface data input when RESET is low. When RESET is high,

SDATA functions as a STANDBY control pin (see Table 6). This pin has an internal 180-k

Ω pull-

down resistor.

SEN

27

I

This pin functions as a serial interface enable input when RESET is low. When RESET is high,

SEN has no function and should be tied to AVDD. This pin has an internal 180-k

Ω pull-up resistor

to AVDD.

VCM

13

O

Outputs the common-mode voltage (0.95 V) that can be used externally to bias the analog input

pins.

ADS412x RGZ Package

48-PIN VQFN With Exposed Thermal Pad

CMOS Mode - Top View

ADS414x RGZ Package

48-PIN VQFN With Exposed Thermal Pad

CMOS Mode -Top View

The thermal pad is connected to DRGND.

Pin Functions - CMOS Mode

I/O

DESCRIPTION

NAME

ADS412x

ADS414x

AVDD

8, 18, 20, 22, 24, 26

I

1.8-V analog power supply

AGND

9, 12, 14, 17, 19, 25

I

Analog ground

CLKM

11

I

Differential clock input, complement

CLKP

10

I

Differential clock input, true

CLKOUT

5

O

CMOS output clock

D0

37

33

O

12-bit/14-bit CMOS output data

D1

38

34

O

12-bit/14-bit CMOS output data

D2

39

37

O

12-bit/14-bit CMOS output data

Số phần tương tự - ADS4142IRGZT

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	ADS4142IRGZT	2Mb / 81P	[Old version datasheet] 14-/12-Bit, 65/125MSPS, Ultralow-Power ADC MARCH2011

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
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Texas Instruments	ADC3564	4Mb / 72P	[Old version datasheet] ADC3564 14-Bit, 125-MSPS, Low-Noise, Ultra-Low Power ADC AUGUST 2022

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