LTC1742IFW 查看數據表（PDF） - Linear Technology

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LTC1742IFW

14-Bit, 65Msps Low Noise ADC

Linear Technology 

LTC1742

DIGITAL I PUTS A D DIGITAL OUTPUTS The q indicates 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

High Level Input Voltage

VDD = 5.25V, MSBINV and OE

q 2.4

V

VIL

Low Level Input Voltage

VDD = 4.75V, MSBINV and OE

q

0.8

V

IIN

Digital Input Current

VIN = 0V to VDD

q

±10

µA

CIN

Digital Input Capacitance

MSBINV and OE Only

1.5

pF

VOH

High Level Output Voltage

OVDD = 4.75V

IO = –10µA

4.74

V

IO = – 200µA q 4

4.74

V

VOL

Low Level Output Voltage

OVDD = 4.75V

IO = 160µA

0.05

V

IO = 1.6mA q

0.1

0.4

V

IOZ

Hi-Z Output Leakage D13 to D0

VOUT = 0V to VDD, OE = High

q

±10

µA

COZ

Hi-Z Output Capacitance D13 to D0

OE = High (Note 8)

q

15

pF

ISOURCE Output Source Current

VOUT = 0V

– 50

mA

ISINK

Output Sink Current

VOUT = 5V

50

mA

POWER REQUIRE E TS The q indicates 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

VDD

Positive Supply Voltage

IDD

Positive Supply Current

PDIS

Power Dissipation

4.75

5.25

V

q

255

275

mA

q

1.275 1.375

W

OVDD

Digital Output Supply Voltage

WU

TI I G CHARACTERISTICS

0.5

VDD

V

The q indicates specifications which apply over the full operating temperature

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

SYMBOL

t0

t1

t2

t3

t4

t5

t6

t7

t8

t9

t10

t11

t12

PARAMETER

ENC Period

ENC High

ENC Low

Aperture Delay

ENC to CLKOUT Falling

ENC to CLKOUT Rising

For 65Msps 50% Duty Cycle

ENC to DATA Delay

ENC to DATA Delay (Hold Time)

ENC to DATA Delay (Setup Time)

For 65Msps 50% Duty Cycle

CLKOUT to DATA Delay (Hold Time),

65Msps 50% Duty Cycle

CLKOUT to DATA Delay (Setup Time),

65Msps 50% Duty Cycle

DATA Access Time After OE

BUS Relinquish

Data Latency

CONDITIONS

(Note 9)

(Note 8)

(Note 8)

(Note 8)

CL = 10pF (Note 8)

CL = 10pF (Note 8)

CL = 10pF (Note 8)

CL = 10pF (Note 8)

(Note 8)

CL = 10pF (Note 8)

CL = 10pF (Note 8)

(Note 8)

CL = 10pF (Note 8)

CL = 10pF (Note 8)

(Note 8)

MIN

q 15.3

q 7.3

q 7.3

q1

q 8.7

q2

q 1.4

q 8.2

q7

q3

TYP

0

2.4

t1 + t4

10.1

4.9

3.4

t0 – t6

10.5

10

10

5

MAX UNITS

2000

ns

1000

ns

1000

ns

ns

4

ns

ns

11.7

ns

7.2

ns

4.7

ns

ns

13.4

ns

ns

ns

25

ns

25

ns

cycles

1742f

4

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