LTC2226HLX-PBF View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC2226HLX-PBF

12-Bit, 25Msps 125°C ADC in LQFP

Linear Technology 

LTC2226H

ANALOG INPUT The l 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–)

CONDITIONS

2.8V < VDD < 3.5V (Note 7)

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

Analog Input Leakage Current

SENSE Input Leakage

MODE Pin Leakage

Sample-and-Hold Acquisition Delay Time

Sample-and-Hold Acquisition Delay Time Jitter

Analog Input Common Mode Rejection Ratio

Differential Input (Note 7)

Single Ended Input (Note 7)

0V < AIN+, AIN– < VDD

0V < SENSE < 1V

MIN TYP MAX

l

±0.5V to

±1V

l

1

1.5

1.9

l 0.5

1.5

2

l –10

10

l –10

10

l –10

10

0

0.2

80

UNITS

V

V

V

μA

μA

μA

ns

psRMS

dB

DYNAMIC ACCURACY The l 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

12.5MHz Input

70MHz Input

71.4

dB

l 69.6 71.2

dB

70.9

dB

SFDR

Spurious Free Dynamic Range

2nd or 3rd Harmonic

5MHz Input

12.5MHz Input

70MHz Input

90

dB

l 74

90

dB

85

dB

SFDR

Spurious Free Dynamic Range

4th Harmonic or Higher

5MHz Input

12.5MHz Input

70MHz Input

90

dB

l 78

90

dB

90

dB

S/(N+D) Signal-to-Noise Plus Distortion Ratio

5MHz Input

12.5MHz Input

70MHz Input

71.4

dB

l 69.1 71.2

dB

70.8

dB

IMD

Intermodulation Distortion

fIN1 = 4.3MHz, fIN2 = 4.6MHz

90

dB

INTERNAL REFERENCE CHARACTERISTICS TA = 25°C. (Note 4)

PARAMETER

CONDITIONS

VCM Output Voltage

IOUT = 0

VCM Output Tempco

VCM Line Regulation

2.8V < VDD < 3.5V

VCM Output Regulation

–1mA < IOUT < 1mA

MIN

1.475

TYP

1.500

±25

3

4

MAX

1.525

UNITS

V

ppm/°C

mV/V

Ω

DIGITAL INPUTS AND DIGITAL OUTPUTS The l denotes the specifications which apply over the full

operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)

SYMBOL PARAMETER

LOGIC INPUTS (CLK, OE, SHDN)

CONDITIONS

MIN TYP MAX UNITS

VIH

High Level Input Voltage

VIL

Low Level Input Voltage

IIN

Input Current

CIN

Input Capacitance

VDD = 3V

VDD = 3V

VIN = 0V to VDD

(Note 7)

l

2

V

l

0.8

V

l –10

10

μA

3

pF

2226hfb

3

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