LTC1276 Просмотр технического описания (PDF) - Linear Technology

Номер в каталоге

Компоненты Описание

производитель

LTC1276

12-Bit, 300ksps Sampling A/D Converters with Reference

Linear Technology 

LTC1273

LTC1275/LTC1276

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

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

SYMBOL PARAMETER

CONDITIONS

LTC1273A/LTC1275A/LTC1276A

LTC1273B/LTC1275B/LTC1276B

MIN TYP MAX UNITS

VIH

High Level Input Voltage

VDD = 5.25V

●

2.4

V

VIL

Low Level Input Voltage

VDD = 4.95V

●

0.8

V

IIN

Digital Input Current

VIN = 0V to VDD

●

± 10

µA

CIN

Digital Input Capacitance

5

pF

VOH

High Level Output Voltage

VDD = 4.95V

IO = – 10µA

IO = – 200µA

4.7

V

●

4.0

V

VOL

Low Level Output Voltage

VDD = 4.95V

IO = 160µA

IO = 1.6mA

0.05

V

●

0.10 0.4

V

IOZ

High Z Output Leakage D11-D0/8

VOUT = 0V to VDD, CS High

●

± 10

µA

COZ

High Z Output Capacitance D11-D0/8

CS High (Note 9 )

●

15

pF

ISOURCE Output Source Current

VOUT = 0V

– 10

mA

ISINK

Output Sink Current

VOUT = VDD

10

mA

WU

POWER REQUIRE E TS The ● denotes the specifications which apply over the full operating temperature

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

SYMBOL PARAMETER

CONDITIONS

LTC1273A/LTC1275A/LTC1276A

LTC1273B/LTC1275B/LTC1276B

MIN TYP MAX UNITS

VDD

Positive Supply Voltage

LTC1273/LTC1276 (Notes 10, 11)

LTC1275 (Note 10)

4.95

5.25

V

4.75

5.25

V

VSS

Negative Supply Voltage

LTC1275 (Note 10)

LTC1276 (Notes 10, 11)

– 2.45

– 4.95

– 5.25

V

– 5.25

V

IDD

Positive Supply Current

●

15

25

mA

ISS

Negative Supply Current

LTC1275/LTC1276

●

0.065 0.200

mA

PD

Power Dissipation

75

mW

WU

TI I G CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature

range, otherwise specfications are at TA = 25°C. See Timing Characteristics Figures (Note 5)

SYMBOL

PARAMETER

CONDITIONS

LTC1273A/LTC1275A/LTC1276A

LTC1273B/LTC1275B/LTC1276B

MIN TYP MAX UNITS

fSAMPLE(MAX) Maximum Sampling Frequency

(Note 10)

Commercial

Military

●

300

kHz

●

250

kHz

tCONV

Conversion Time

Commercial

Military

●

2.7

µs

●

3.0

µs

t1

CS to RD Setup Time

t2

RD to BUSY Delay

CL = 50pF

Commercial

Military

●

0

ns

80

190

ns

●

230

ns

●

270

ns

127356fa

4

Share Link: