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LTC2206

16-Bit, 105Msps/80Msps ADCs

Linear Technology 

LTC2207/LTC2206

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

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

PARAMETER

VCM Output Voltage

VCM Output Tempco

VCM Line Regulation

VCM Output Resistance

CONDITIONS

IOUT = 0

IOUT = 0

3.135V ≤ VDD ≤ 3.465V

–1mA ≤ | IOUT | ≤ 1mA

MIN TYP MAX UNITS

1.15 1.25 1.35

V

40

ppm/°C

1

mV/ V

2

Ω

DIGITAL INPUTS AND DIGITAL OUTPUTS The ● 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–)

VID

Differential Input Voltage

VICM

Common Mode Input Voltage

RIN

Input Resistance

CIN

Input Capacitance

LOGIC INPUTS (DITH, PGA, SHDN, RAND)

VIH

VIL

IIN

CIN

LOGIC OUTPUTS

High Level Input Voltage

Low Level Input Voltage

Input Current

Input Capacitance

OVDD = 3.3V

VOH

High Level Output Voltage

VOL

Low Level Output Voltage

ISOURCE

ISINK

OVDD = 2.5V

VOH

VOL

OVDD = 1.8V

VOH

VOL

Output Source Current

Output Sink Current

High Level Output Voltage

Low Level Output Voltage

High Level Output Voltage

Low Level Output Voltage

CONDITIONS

(Note 7)

Internally Set

Externally Set (Note 7)

(See Figure 2)

(Note 7)

VDD = 3.3V

VDD = 3.3V

VIN = 0V to VDD

(Note 7)

MIN TYP MAX UNITS

● 0.2

V

1.6

V

1.4

3.0

6

kΩ

3

pF

●2

V

●

0.8

V

●

±10

µA

1.5

pF

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 ● 3.1

3.29

V

IO = 160µA

IO = 1.6mA ●

0.01

V

0.10

0.4

V

–50

mA

50

mA

IO = –200µA

2.49

V

IO = 1.60mA

0.1

V

IO = –200µA

1.79

V

IO = 1.60mA

0.1

V

POWER REQUIREMENTS 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

VDD

Analog Supply Voltage

PSHDN Shutdown Power

OVDD Output Supply Voltage

IVDD

Analog Supply Current

PDIS

Power Dissipation

CONDITIONS

SHDN = VDD

DC Input

DC Input

LTC2206

LTC2207

MIN TYP MAX MIN TYP MAX UNITS

● 3.135 3.3 3.465 3.135 3.3 3.465

V

0.2

0.2

mW

● 0.5

3.6 0.5

3.6

V

●

220 265

273 325

mA

●

725 875

900 1,073 mW

22076fa

5

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