LTC2290C 查看數據表（PDF） - Linear Technology

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LTC2290C

Dual 12-Bit, 10Msps Low Power 3V ADC

Linear Technology 

LTC2290

A ALOG I PUT The ● denotes the specifications which apply over the full operating temperature range, otherwise

specifications are at TA = 25°C. (Note 4)

SYMBOL

VIN

VIN,CM

IIN

ISENSE

IMODE

tAP

tJITTER

CMRR

PARAMETER

Analog Input Range (AIN+ –AIN–)

Analog Input Common Mode (AIN+ +AIN–)/2

Analog Input Leakage Current

SENSEA, SENSEB Input Leakage

MODE Input Leakage Current

Sample-and-Hold Acquisition Delay Time

Sample-and-Hold Acquisition Delay Time Jitter

Analog Input Common Mode Rejection Ratio

Full Power Bandwidth

CONDITIONS

2.7V < VDD < 3.4V (Note 7)

Differential Input (Note 7)

Single Ended Input (Note 7)

0V < AIN+, AIN– < VDD

0V < SENSEA, SENSEB < 1V

0V < MODE < VDD

Figure 8 Test Circuit

MIN TYP MAX

●

±0.5 to ±1

●1

1.5

1.9

● 0.5

1.5

2

● –1

1

● –3

3

● –3

3

0

0.2

80

575

UNITS

V

V

V

µA

µA

µA

ns

psRMS

dB

MHz

DY A IC ACCURACY The ● denotes the specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)

SYMBOL

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

SNR

Signal-to-Noise Ratio

5MHz Input

● 69.6 71.3

dB

70MHz Input

70.7

dB

SFDR

Spurious Free Dynamic Range

2nd or 3rd Harmonic

5MHz Input

70MHz Input

● 74 90

dB

85

dB

SFDR

Spurious Free Dynamic Range

4th Harmonic or Higher

5MHz Input

70MHz Input

● 80 90

dB

90

dB

S/(N+D)

Signal-to-Noise Plus Distortion Ratio

5MHz Input

● 69 71.3

dB

70MHz Input

70.4

dB

IMD

Intermodulation Distortion

Crosstalk

fIN = 4.3MHz, 4.6MHz

fIN = 5MHz

90

dB

–110

dB

2290fa

3

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