Datasheet > ADS6445QFN-64

ADS6445QFN-64

更新时间： 2024-09-13 06:36:27

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
71页	3143K
描述
QUAD CHANNEL, 14 BIT, 125 MSPS ADC WITH SERIAL LVDS OUTPUTS

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ADS6445QFN-64 数据手册

ADS6445-EP

www.ti.com ............................................................................................................................................................................................ SLAS573–FEBRUARY 2008

QUAD CHANNEL, 14 BIT, 125 MSPS ADC WITH SERIAL LVDS OUTPUTS

FEATURES

•

Supports Sine, LVCMOS, LVPECL, LVDS Clock

Inputs and Amplitude Down to 400 mV_PP

•

Controlled Baseline

Internal Reference with External Reference

Support

–

One Assembly

Test Site

No External Decoupling Required for

References

One Fabrication Site

•

–55°C to 125°C Operating Junction

Temperature Range

•

3.3-V Analog and Digital Supply

64-pin QFN Package (9 mm × 9 mm)

Pin Compatible 12-Bit Family (ADS642x)

Enhanced Diminishing Manufacturing Sources

(DMS) Support

Feature Compatible Dual Channel Family

(ADS624x, ADS644x)

•

Enhanced Product-Change Notification

(1)

Qualification Pedigree

Sample Rate: 125 MSPS

APPLICATIONS

14-Bit Resolution with No Missing Codes

Simultaneous Sample and Hold

•

Base-Station IF Receivers

Diversity Receivers

Medical Imaging

3.5-dB Coarse Gain and up to 6-dB

Programmable Fine Gain for SFDR/SNR

Trade-Off

Test Equipment

Table 1. ADS64XX Quad Channel Family⁽¹⁾

•

Serialized LVDS Outputs with Programmable

Internal Termination Option

125 MSPS 105 MSPS 80 MSPS 65 MSPS

(1) Component qualification in accordance with JEDEC and

industry standards to ensure reliable operation over an

extended temperature range. This includes, but is not limited

to, Highly Accelerated Stress Test (HAST) or biased 85/85,

temperature cycle, autoclave or unbiased HAST,

ADS644X

14 Bit

ADS6445

ADS6425

ADS6444

ADS6424

ADS6443 ADS6442

ADS6423 ADS6422

ADS642X

12 Bit

electromigration, bond intermetallic life, and mold compound

life. Such qualification testing should not be viewed as

justifying use of this component beyond specified

performance and environmental limits.

(1) Product Preview for ADS6444, ADS6443, ADS6442 and

ADS642X family

Table 2. Performance Summary

ADS6445

ADS6444

ADS6443

ADS6442

Fin = 10 MHz (0 dB gain)

Fin = 170 MHz (3.5 dB gain)

Fin = 10 MHz (0 dB gain)

Fin = 170 MHz (3.5 dB gain)

Power, per channel, mW

SFDR, dBc

73.4

68.3

420

73.4

69.3

340

74.2

69.4

300

74.3

SINAD, dBFS

265

DESCRIPTION/ORDERING INFORMATION

The ADS6445/ADS6444/ADS6443/ADS6442 (ADS644X) is a family of high performance 14 bit 125/105/80/65

MSPS quad channel A-D converters. Serial LVDS data outputs reduce the number of interface lines, resulting in

a compact 64 pin QFN package (9 mm × 9 mm) that allows for high system integration density. The device

includes 3.5 dB coarse gain option that can be used to improve SFDR performance with little degradation in

SNR. In addition to the coarse gain, fine gain options also exist, programmable in 1 dB steps up to 6 dB.

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.

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...71

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