LTC1603IG Просмотр технического описания (PDF) - Linear Technology

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LTC1603IG

High Speed, 16-Bit, 250ksps Sampling A/D Converter with Shutdown

Linear Technology 

LTC1603

DY A IC ACCURACY The q denotes the specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. (Note 5)

SYMBOL PARAMETER

CONDITIONS

MIN TYP MAX UNITS

S/N

Signal-to-Noise Ratio

5kHz Input Signal

100kHz Input Signal

q 87

90

dB

90

dB

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

5kHz Input Signal

90

dB

100kHz Input Signal (Note 10)

q 84

89

dB

THD

Total Harmonic Distortion

Up to 5th Harmonic

5kHz Input Signal

100kHz Input Signal

– 100

dB

q

– 94 – 88

dB

SFDR Spurious Free Dynamic Range

100kHz Input Signal

96

dB

IMD

Intermodulation Distortion

Full Power Bandwidth

fIN1 = 29.37kHz, fIN2 = 32.446kHz

– 88

dB

5

MHz

Full Linear Bandwidth (S/(N + D) ≥ 84dB

350

kHz

UU

U

I TER AL REFERE CE CHARACTERISTICS (Note 5)

PARAMETER

VREF Output Voltage

VREF Output Tempco

VREF Line Regulation

VREF Output Resistance

REFCOMP Output Voltage

CONDITIONS

IOUT = 0

IOUT = 0

4.75 ≤ VDD ≤ 5.25V

– 5.25V ≤ VSS ≤ – 4.75V

0 ≤ IOUT ≤ 1mA

IOUT = 0

MIN

2.475

TYP

2.500

± 15

0.01

0.01

7.5

4.375

MAX

2.515

UNITS

V

ppm/°C

LSB/V

LSB/V

kΩ

V

DIGITAL I PUTS A D DIGITAL OUTPUTS The q denotes the specifications which apply over the

full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)

SYMBOL

PARAMETER

CONDITIONS

MIN TYP MAX

UNITS

VIH

VIL

IIN

CIN

VOH

VOL

IOZ

COZ

ISOURCE

ISINK

High Level Input Voltage

Low Level Input Voltage

Digital Input Current

Digital Input Capacitance

High Level Output Voltage

Low Level Output Voltage

Hi-Z Output Leakage D15 to D0

Hi-Z Output Capacitance D15 to D0

Output Source Current

Output Sink Current

VDD = 5.25V

VDD = 4.75V

VIN = 0V to VDD

VDD = 4.75V, IOUT = – 10µA

VDD = 4.75V, IOUT = – 400µA

VDD = 4.75V, IOUT = 160µA

VDD = 4.75V, IOUT = 1.6mA

VOUT = 0V to VDD, CS High

CS High (Note 11)

VOUT = 0V

VOUT = VDD

q 2.4

V

q

0.8

V

q

±10

µA

5

pF

4.5

V

q 4.0

V

0.05

V

q

0.10

0.4

V

q

± 10

µA

q

15

pF

–10

mA

10

mA

1603f

3

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