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LTC1400CS8TRPBF

Complete SO-8, 12-Bit, 400ksps ADC with Shutdown

Linear Technology 

LTC1400

CO VERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C unless otherwise noted. With internal reference (Notes 5, 8)

PARAMETER

Resolution (No Missing Codes)

Integral Linearity Error

Differential Linearity Error

Offset Error

Full-Scale Error

Full-Scale Tempco

CONDITIONS

(Note 9)

(Note 10)

IOUT(REF) = 0

MIN TYP MAX UNITS

●

12

Bits

●

±1

LSB

●

±1

LSB

±6

LSB

●

±8

LSB

±15

LSB

●

±10

±45 ppm/°C

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

otherwise specifications are at TA = 25°C. VCC = 5V, VSS = –5V, fSAMPLE = 400kHz unless otherwise noted. (Note 5)

SYMBOL

S/(N + D)

PARAMETER

Signal-to-Noise

Plus Distortion Ratio

CONDITIONS

100kHz Input Signal

Commercial

Industrial

MIN TYP MAX UNITS

●

70

72

dB

●

69

dB

200kHz Input Signal

72

dB

THD

Total Harmonic Distortion

Up to 5th Harmonic

100kHz Input Signal

200kHz Input Signal

●

–82

–76

dB

–80

dB

Peak Harmonic or

Spurious Noise

100kHz Input Signal

200kHz Input Signal

●

–84

–76

dB

–82

dB

IMD

Intermodulation Distortion

Full Power Bandwidth

fIN1 = 99.51kHz, fIN2 = 102.44kHz

fIN1 = 199.12kHz, fIN2 = 202.05kHz

–82

dB

–70

dB

4

MHz

Full Linear Bandwidth (S/(N + D) ≥ 68dB)

900

kHz

UU

U

I TER AL REFERE CE CHARACTERISTICS The ● denotes the specifications which apply over the

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

PARAMETER

VREF Output Voltage

VREF Output Tempco

VREF Load Regulation

VREF Load Regulation

VREF Wake-Up Time from Sleep Mode (Note 7)

CONDITIONS

IOUT = 0

IOUT = 0

4.75V ≤ VCC ≤ 5.25V

–5.25V ≤ VSS ≤ 0V

0 ≤ |IOUT| ≤ 1mA

CVREF = 10μF

MIN TYP MAX UNITS

2.400 2.420 2.440

V

●

±10 ±45 ppm/°C

0.01

LSB/V

0.01

LSB/V

2

LSB/mA

4

ms

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

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

SYMBOL

VIH

VIL

IIN

CIN

VOH

PARAMETER

High Level Input Voltage

Low Level Input Voltage

Digital Input Current

Digital Input Capacitance

High Level Output Voltage

CONDITIONS

VCC = 5.25V

VCC = 4.75V

VIN = 0V to VCC

VCC = 4.75V, IO = –10μA

VCC = 4.75V, IO = –200μA

MIN TYP MAX UNITS

● 2.0

V

●

0.8

V

●

±10

μA

5

pF

4.7

V

● 4.0

V

1400fa

3

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