LTC1594L(RevA) Ver la hoja de datos (PDF) - Linear Technology

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LTC1594L
(Rev.:RevA)

4- and 8-Channel, 3V Micropower Sampling 12-Bit Serial I/O A/D Converters

Linear Technology 

LTC1594L/LTC1598L

CONVERTER AND MULTIPLEXER CHARACTERISTICS The q denotes the specifications which

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

PARAMETER

CONDITIONS

LTC1594LCS/LTC1598LCG

MIN TYP MAX

LTC1594LIS/LTC1598LIG

MIN TYP MAX

UNITS

Resolution (No Missing Codes)

Integral Linearity Error

Differential Linearity Error

Offset Error

Gain Error

REF Input Range

Analog Input Range

MUX Channel Input Leakage Current

MUXOUT Leakage Current

ADCIN Input Leakage Current

(Note 6)

(Notes 7, 8)

(Notes 7, 8)

Off Channel

Off Channel

(Note 9)

q 12

q

q

q

q

q

q

q

12

±3

± 3/4

±3

±8

1.5V to VCC + 0.05V

– 0.05V to VCC + 0.05V

±200

±200

±1

Bits

±3

LSB

±1

LSB

±3

LSB

±8

LSB

V

V

± 200

nA

± 200

nA

±1

µA

DYNAMIC ACCURACY TA = 25°C, fSMPL = 10.5kHz. (Note 5)

SYMBOL

S/(N + D)

THD

SFDR

PARAMETER

Signal-to-Noise Plus Distortion Ratio

Total Harmonic Distortion (Up to 5th Harmonic)

Spurious-Free Dynamic Range

Peak Harmonic or Spurious Noise

CONDITIONS

1kHz Input Signal

1kHz Input Signal

1kHz Input Signal

1kHz Input Signal

MIN TYP MAX

68

– 78

80

– 80

UNITS

dB

dB

dB

dB

DIGITAL AND DC ELECTRICAL CHARACTERISTICS 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

IIH

IIL

VOH

VOL

IOZ

ISOURCE

ISINK

RREF

IREF

High Level Input Voltage

Low Level Input Voltage

High Level Input Current

Low Level Input Current

High Level Output Voltage

Low Level Output Voltage

Hi-Z Output Leakage

Output Source Current

Output Sink Current

Reference Input Resistance

Reference Current

ICC

Supply Current

VCC = 3.6V

VCC = 2.7V

VIN = VCC

VIN = 0V

VCC = 2.7V, IO = 10µA

VCC = 2.7V, IO = 360µA

VCC = 2.7V, IO = 400µA

CS = High

VOUT = 0V

VOUT = VCC

CS = VIH

CS = VIL

CS = VCC

tCYC ≥ 760µs, fCLK ≤ 25kHz

tCYC ≥ 60µs, fCLK ≤ 200kHz

CS = VCC, CLK = VCC, DIN = VCC

tCYC ≥ 760µs, fCLK ≤ 25kHz

tCYC ≥ 60µs, fCLK ≤ 200kHz

q 2.0

V

q

0.8

V

q

2.5

µA

q

– 2.5

µA

q 2.4

2.64

V

q 2.1

2.30

V

q

0.4

V

q

±3

µA

– 10

mA

15

mA

2700

MΩ

60

kΩ

q

0.001 2.5

µA

50

µA

q

50 70

µA

q

0.001 ±3

µA

160

µA

q

160 320

µA

3

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