LTC2202I Просмотр технического описания (PDF) - Linear Technology

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LTC2202I

16-Bit, 25Msps/10Msps ADCs

Linear Technology 

LTC2203/LTC2202

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

LTC2203

LTC2202

MIN TYP MAX MIN TYP MAX

UNITS

SFDR

Spurious Free

1MHz Input (2.5V Range, PGA = 0)

115

115

dBFS

Dynamic Range

1MHz Input (1.667V Range, PGA = 1)

115

115

dBFS

at –25dBFS

5MHz Input (2.5V Range, PGA = 0)

l 100 115

100 115

dBFS

Dither “ON”

5MHz Input (1.667V Range, PGA = 1)

115

115

dBFS

12.5MHz Input (2.5V Range, PGA = 0)

115

12.5MHz Input (1.667V Range, PGA = 1)

115

115

dBFS

115

dBFS

30MHz Input (2.5V Range, PGA = 0)

115

30MHz Input (1.667V Range, PGA = 1)

115

115

dBFS

115

dBFS

70MHz Input (2.5V Range, PGA = 0)

110

70MHz Input (1.667V Range, PGA = 1)

110

110

dBFS

110

dBFS

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

VCM Output Tempco

VCM Line Regulation

VCM Output Resistance

IOUT = 0

IOUT = 0

3.135V ≤ VDD ≤ 3.465V

1mA ≤ | IOUT | ≤ 1mA

1.15 1.25 1.35

V

± 40

ppm/°C

1

mV/ V

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

LOGIC INPUTS (CLK, OE, DITH, PGA, SHDN, RAND)

CONDITIONS

MIN

TYP

MAX UNITS

VIH

VIL

IIN

CIN

LOGIC OUTPUTS

High Level Input Voltage

Low Level Input Voltage

Digital Input Current

Digital Input Capacitance

VDD = 3.3V

VDD = 3.3V

VIN = 0V to VDD

(Note 7)

l2

V

l

0.8

V

l

±10

μA

1.5

pF

OVDD = 3.3V

VOH

VOL

ISOURCE

ISINK

OVDD = 2.5V

VOH

VOL

OVDD = 1.8V

VOH

VOL

High Level Output Voltage

Low Level Output Voltage

Output Source Current

Output Sink Current

High Level Output Voltage

Low Level Output Voltage

High Level Output Voltage

Low Level Output Voltage

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 = 1.6mA l

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

22032fd

5

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