Datasheet > NAD1240-25

NAD1240-25

更新时间： 2024-11-02 23:53:19

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
11页	107K
描述
12-Bit 40MSPS Sampling Analog-to-Digital Converter IP in 0.25um CMOS

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数据手册

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NAD1240-25 数据手册

PRELIMINARY PRODUCT SPECIFICATION

12-Bit 40MSPS Sampling

Analog-to-Digital Converter IP

nAD1240-25

FEATURES

APPLICATIONS

•

2.5V power supply

•

Imaging

SNR typ 66dB for (f_in= 10MHz)

Low power (105mW@2.5V)

Sample rate: 40MSPS

Frequency dependent biasing

Internal/sample hold

Test equipment

Computer scanners

Communications

Set top boxes

Video products

Differential input

Low input capacitance

GENERAL DESCRIPTION

The nAD1240-25 is a compact, high-speed, low power 12-bit monolithic analog-to-

digital converter, implemented in the TSMC Mixed-Signal MiM CMOS process. It

has 12-bit resolution with more than 10 effective bits, and close to 11 bit dynamic

range for video frequency signals. The converter includes a high bandwidth sample

and hold. The full scale range is ±1V. The full scale range can be set between ±0.5V

and ±1V. It operates from a single 2.5V supply. Its low distortion and high dynamic

range offers the performance needed for demanding imaging, multimedia,

telecommunications and instrumentation applications.

The bias current level for the ADC is automatically adjusted based on the clock input

frequency. Hence, the power dissipation of the device is continuously minimised for

the current operation frequency.

QUICK REFERENCE DATA

Symbol

V_DD

Parameter

Conditions

Min.

2.25

Typ.

2.5

Max.

2.75

Unit

supply voltage

I_DD

supply current

(40 MSPS)

P_D

power dissipation

(40 MSPS)

power dissipation

(10 MSPS)

power dissipation

(sleep mode)

differential nonlinearity

integral nonlinearity

conversion rate

resolution

Except digital

output drivers

Except digital

output drivers

Except digital

output drivers

f_IN=0.9991MHz

105

1.5

DNL

INL

f_S

±1

±3

LSB

MHz

bit

Table 1. Quick reference data

Main office: Nordic VLSI ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900

Revision: 1.0 Page 1 of 11

Fax +4772898989

September 4th, 2001

12 3 4 5 6 7...11

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