LTC1415CG Просмотр технического описания (PDF) - Linear Technology

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производитель

LTC1415CG

12-Bit, 1.25Msps, 55mW Sampling A/D Converter

Linear Technology 

LTC1415

DY A IC ACCURACY (Note 5)

SYMBOL PARAMETER

CONDITIONS

MIN

S/(N + D) Signal-to-(Noise + Distortion) Ratio

100kHz Input Signal

600kHz Input Signal

THD

Total Harmonic Distortion

100kHz Input Signal, First 5 Harmonics

600kHz Input Signal, First 5 Harmonics

SFDR

Spurious Free Dynamic Range

600kHz Input Signal

IMD

Intermodulation Distortion

Full-Power Bandwidth

fIN1 = 29.37kHz, fIN2 = 32.446kHz

Full-Linear Bandwidth

S/(N + D) ≥ 68dB

UU

U

I TER AL REFERE CE CHARACTERISTICS (Note 5)

PARAMETER

CONDITIONS

MIN

VREF Output Voltage

VREF Output Tempco

IOUT = 0

IOUT = 0

2.480

VREF Line Regulation

4.75V ≤ VDD ≤ 5.25V

VREF Output Resistance

IOUT ≤ 0.1mA

REFCOMP Output Voltage

IOUT = 0

U

U

DIGITAL I PUTS A D DIGITAL OUTPUTS (Note 5)

SYMBOL PARAMETER

CONDITIONS

VIH

High Level Input Voltage

VIL

Low Level Input Voltage

IIN

Digital Input Current

VDD = 5.25V

VDD = 4.75V

VIN = 0V to VDD

CIN

Digital Input Capacitance

VOH

High Level Output Voltage

VDD = 4.75V

IO = – 10µA

IO = – 200µA

VOL

Low Level Output Voltage

VDD = 4.75V

IO = 160µA

IO = 1.6mA

IOZ

Hi-Z Output Leakage D11 to D0

VOUT = 0V to VDD, CS High

COZ

Hi-Z Output Capacitance D11 to D0

CS High (Note 9 )

ISOURCE Output Source Current

VOUT = 0V

ISINK

Output Sink Current

VOUT = VDD

WU

POWER REQUIRE E TS (Note 5)

MIN

q 2.4

q

q

q 4.0

q

q

q

SYMBOL PARAMETER

VDD

Supply Voltage

IDD

Supply Current

Nap Mode

Sleep Mode

PD

Power Dissipation

Nap Mode

Sleep Mode

CONDITIONS

(Notes 10, 11)

CS High

SHDN = 0V, NAP/SLP = 5V (Note 12)

SHDN = 0V, NAP/SLP = 0V (Note 12)

CS High

SHDN = 0V, NAP/SLP = 5V

SHDN = 0V, NAP/SLP = 0V

MIN

4.75

q

q

TYP

72

69

– 80

– 72

– 75

– 84

18

1

TYP

2.500

± 15

0.01

2

4.096

TYP

5

4.5

0.05

0.10

– 10

10

TYP

11

1.5

1.0

55

7.5

0.01

MAX

UNITS

dB

dB

dB

dB

dB

dB

MHz

MHz

MAX

2.520

UNITS

V

ppm/°C

LSB/ V

kΩ

V

MAX

UNITS

V

0.8

V

±10

µA

pF

V

V

V

0.4

V

± 10

µA

15

pF

mA

mA

MAX

UNITS

5.25

V

20

mA

2.3

mA

µA

100

mW

12

mW

mW

3

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