LTC2205UK datasheet(5/36 Pages) LINER

Part #	LTC2205UK

Description	16-Bit, 65Msps/40Msps

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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5 / 36 page

LTC2205/LTC2204

5

22054fb

COMMON MODE BIAS CHARACTERISTICS

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

1

Ω

The

l denotes the speciﬁcations which apply over

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

POWER REQUIREMENTS

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)

l

0.2

V

VICM

Common Mode Input Voltage

Internally Set

1.6

V

Externally Set (Note 7)

1.2

3.0

V

RIN

Input Resistance

(See Figure 2)

6

kΩ

CIN

Input Capacitance

(Note 7)

3

pF

LOGIC INPUTS (DITH, PGA, SHDN, RAND)

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

(Note 7)

1.5

pF

LOGIC OUTPUTS

OVDD = 3.3V

VOH

High Level Output Voltage

VDD = 3.3V

IO = –10µA

3.299

V

IO = –200µA l

3.1

3.29

V

VOL

Low Level Output Voltage

VDD = 3.3V

IO = 160µA

0.01

V

IO = 1.6mA

l

0.10

0.4

V

ISOURCE

Output Source Current

VOUT = 0V

–50

mA

ISINK

Output Sink Current

VOUT = 3.3V

50

mA

OVDD = 2.5V

VOH

High Level Output Voltage

VDD = 3.3V

IO = –200µA

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

VDD = 3.3V

IO = –200µA

1.79

V

VOL

Low Level Output Voltage

VDD = 3.3V

IO = 1.60mA

0.1

V

The

l denotes the speciﬁcations which apply over the full operating temperature

range, otherwise speciﬁcations are at TA = 25°C.

SYMBOL PARAMETER

CONDITIONS

MIN

LTC2204

TYP

MAX

MIN

LTC2205

TYP

MAX

UNITS

VDD

Analog Supply Voltage

3.135

3.3

3.465

3.315

3.3

3.465

V

PSHDN

Shutdown Power

SHDN = VDD

0.2

mW

OVDD

Output Supply Voltage

l

0.5V

3.6

0.5V

3.3

3.6

V

IVDD

Analog Supply Current

l

145

200

185

235

mA

PDIS

Power Dissipation

l

480

660

610

776

mW

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