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LTC2209IUP

16-Bit, 160Msps ADC

Linear Technology 

LTC2209

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

1mA ≤ | 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

CONDITIONS

MIN TYP MAX

UNITS

ENCODE INPUTS (ENC+, ENC–)

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

3.0

V

RIN

Input Resistance

(See Figure 2)

6

kΩ

CIN

Input Capacitance

LOGIC INPUTS (DITH, PGA, SHDN, RAND)

(Note 7)

3

pF

VIH

High Level Input Voltage

VDD = 3.3V

l

2

V

VIL

Low Level Input Voltage

VDD = 3.3V

l

0.8

V

IIN

Digital Input Current

VIN = 0V to VDD

l

±10

µA

CIN

Digital Input Capacitance

LOGIC OUTPUTS (CMOS MODE)

(Note 7)

1.5

pF

OVDD = 3.3V

VOH

VOL

High Level Output Voltage

Low Level Output Voltage

VDD = 3.3V

IO = –10µA

IO = –200µA

VDD = 3.3V

IO = 160µA

IO = 1.6mA

3.299

V

l 3.1

3.29

V

0.01

V

l

0.10

0.4

V

ISOURCE

ISINK

OVDD = 2.5V

VOH

Output Source Current

Output Sink Current

High Level Output Voltage

VOUT = 0V

VOUT = 3.3V

VDD = 3.3V, IO = –200µA

– 50

mA

50

mA

2.49

V

VOL

Low Level Output Voltage

VDD = 3.3V, IO = 1.60mA

0.1

V

OVDD = 1.8V

VOH

High Level Output Voltage

VOL

Low Level Output Voltage

LOGIC OUTPUTS (LVDS MODE)

VDD = 3.3V, IO = –200µA

VDD = 3.3V, IO = 1.60mA

1.79

V

0.1

V

STANDARD LVDS

VOD

Differential Output Voltage

100Ω Differential Load

l 247

350

454

mV

VOS

Output Common Mode Voltage

LOW POWER LVDS

100Ω Differential Load

l 1.125 1.2 1.375

V

VOD

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

2209fb

5

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