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LTC2208IUP-14

14-Bit, 130Msps ADC

Linear Technology 

LTC2208-14

COMMON MODE BIAS CHARACTERISTICS The l denotes the specifications which apply over

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

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

VCM Output Voltage

IOUT = 0

1.15 1.25 1.35

V

VCM Output Tempco

IOUT = 0

40

ppm/°C

VCM Line Regulation

3.135V ≤ VDD ≤ 3.465V

1

mV/ V

VCM Output Resistance

| IOUT | ≤ 1mA

2

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

ENCODE INPUTS (ENC+, ENC–)

CONDITIONS

MIN

TYP

MAX UNITS

VID

Differential Input Voltage

(Note 7)

VICM

Common Mode Input Voltage

Internally Set

Externally Set (Note 7)

l 0.2

V

1.6

V

1.2

3

RIN

Input Resistance

CIN

Input Capacitance

LOGIC INPUTS (DITH, PGA, SHDN, RAND)

(See Figure 2)

(Note 7)

6

kΩ

3

pF

VIH

High Level Input Voltage

VIL

Low Level Input Voltage

IIN

Digital Input Current

CIN

Digital Input Capacitance

LOGIC OUTPUTS (CMOS MODE)

VDD = 3.3V

VDD = 3.3V

VIN = 0V to VDD

(Note 7)

l

2

V

l

0.8

V

l

±10

μA

1.5

pF

OVDD = 3.3V

VOH

High Level Output Voltage

VOL

Low Level Output Voltage

ISOURCE

Output Source Current

ISINK

Output Sink Current

OVDD = 2.5V

VOH

High Level Output Voltage

VOL

Low Level Output Voltage

OVDD = 1.8V

VOH

High Level Output Voltage

VOL

Low Level Output Voltage

LOGIC OUTPUTS (LVDS MODE)

VDD = 3.3V

VDD = 3.3V

VOUT = 0V

VOUT = 3.3V

VDD = 3.3V

VDD = 3.3V

VDD = 3.3V

VDD = 3.3V

IO = –10μA

3.299

V

IO = –200μA l 3.1

3.29

V

IO = 160μA

IO = 1.60mA l

0.01

V

0.1

0.4

V

–50

mA

50

mA

IO = –200μA

2.49

V

IO = 1.6mA

0.1

V

IO = –200μA

1.79

V

IO = 1.6mA

0.1

V

STANDARD LVDS

VDD

Differential Output Voltage

VOS

Output Common Mode Voltage

LOW POWER LVDS

100Ω Differential Load

100Ω Differential Load

l 247

350

454

mV

l 1.125

1.2

1.375

V

VDD

Differential Output Voltage

100Ω Differential Load

VOS

Output Common Mode Voltage

100Ω Differential Load

l 125

175

250

mV

l 1.125

1.2

1.375

V

220814fb

5

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