Datasheet > ADS4122_16

ADS4122_16

更新时间： 2024-09-16 02:58:39

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德州仪器 - TI		/
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描述
Ultra Low-Power ADC

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数据手册

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ADS4122_16 数据手册

ADS4122, ADS4125

ADS4142, ADS4145

www.ti.com

SBAS520A –FEBRUARY 2011–REVISED MARCH 2011

14-/12-Bit, 65/125MSPS, Ultralow-Power ADC

Check for Samples: ADS4122, ADS4125, ADS4142, ADS4145

FEATURES

DESCRIPTION

The ADS412x/4x are lower sampling speed variants

•

Ultralow Power with 1.8V Single Supply:

of the ADS41xx family of analog-to-digital converters

(ADCs). These devices use innovative design

techniques to achieve high dynamic performance,

while consuming extremely low power at 1.8V supply.

The devices are well-suited for multi-carrier, wide

bandwidth communications applications.

–

103mW Total Power at 65MSPS

153mW Total Power at 125MSPS

•

High Dynamic Performance:

–

SNR: 72.2dBFS at 170MHz

SFDR: 81dBc at 170MHz

The ADS412x/4x have fine gain options that can be

used to improve SFDR performance at lower

full-scale input ranges, especially at high input

frequencies. They include a dc offset correction loop

that can be used to cancel the ADC offset. At lower

sampling rates, the ADC automatically operates at

scaled down power with no loss in performance.

•

Dynamic Power Scaling with Sample Rate

Output Interface:

–

Double Data Rate (DDR) LVDS with

Programmable Swing and Strength

–

Standard Swing: 350mV

Low Swing: 200mV

The ADS412x/4x are available in a compact QFN-48

pacakge and are specified over the industrial

temperature range (–40°C to +85°C).

Default Strength: 100Ω Termination

2x Strength: 50Ω Termination

–

1.8V Parallel CMOS Interface Also

Supported

•

Programmable Gain up to 6dB for SNR/SFDR

Trade-Off

•

DC Offset Correction

Supports Low Input Clock Amplitude Down To

200mV_PP

•

Package: QFN-48 (7mm × 7mm)

ADS412x/ADS414x Family Comparison

WITH ANALOG INPUT BUFFERS

FAMILY

65MSPS

125MSPS

160MSPS

250MSPS

200MSPS

250MSPS

ADS412x

12-Bit Family

ADS4122

ADS4125

ADS4126

ADS4129

—

ADS41B29

ADS414x

14-Bit Family

ADS4142

ADS4145

ADS4146

ADS4149

—

ADS41B49

9-Bit

—

ADS58B19

11-Bit

ADS58B18

—

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.

PowerPAD is a trademark of Texas Instruments Incorporated.

All other trademarks are the property of their respective owners.

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.

12 3 4 5 6 7...81

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与ADS4122_16相关器件

型号	品牌	获取价格	描述	数据表
ADS4122IRGZR	TI	获取价格	14-/12-Bit, 65/125MSPS, Ultralow-Power ADC
ADS4122IRGZT	TI	获取价格	14-/12-Bit, 65/125MSPS, Ultralow-Power ADC
ADS4125	TI	获取价格	12-Bit, 200-MSPS, Ultralow-Power ADC
ADS4125IRGZR	TI	获取价格	14-/12-Bit, 65/125MSPS, Ultralow-Power ADC
ADS4125IRGZT	TI	获取价格	14-/12-Bit, 65/125MSPS, Ultralow-Power ADC
ADS4126	TI	获取价格	14-/12-Bit, 160/250MSPS, Ultralow-Power ADC
ADS4126_1004	TI	获取价格	14-/12-Bit, 160/250MSPS, Ultralow-Power ADC
ADS4126_101	TI	获取价格	14-/12-Bit, 160/250MSPS, Ultralow-Power ADC
ADS4126_14	TI	获取价格	12-/14-Bit, 160/250MSPS, Ultralow-Power ADC
ADS4126IRGZ25	TI	获取价格	14-/12-Bit, 160/250MSPS, Ultralow-Power ADC

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