AD7452BRTZ-R2 datasheet(4/25 Pages) AD

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Data Sheet

AD7452

Rev. C | Page 3 of 24

SPECIFICATIONS

VDD = 2.7 V to 3.6 V, fSCLK = 10 MHz, fS = 555 kSPS, VREF = 2.0 V; VDD = 4.75 V to 5.25 V, fSCLK = 10 MHz, fS = 555 kSPS, VREF = 2.5 V;

VCM1 = VREF; TA = TMIN to TMAX, unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

B Version2

Unit

DYNAMIC PERFORMANCE

IN = 100 kHz

Signal-to-(Noise + Distortion) (SINAD)3

dB min

Total Harmonic Distortion (THD)3

DD = 4.75 V to 5.25 V, –86 dB typ

–76

dB max

DD = 2.7 V to 3.6 V, –84 dB typ

–74

dB max

Peak Harmonic or Spurious Noise3

DD = 4.75 V to 5.25 V, –86 dB typ

–76

dB max

DD = 2.7 V to 3.6 V, –84 dB typ

–74

dB max

Intermodulation Distortion (IMD)3

fa = 90 kHz, fb = 110 kHz

Second-Order Terms

–89

dB typ

Third-Order Terms

–89

dB typ

Aperture Delay3

ns typ

Aperture Jitter3

ps typ

Full Power Bandwidth3, 4

@ –3 dB

MHz typ

@ –0.1 dB

2.5

MHz typ

DC ACCURACY

Resolution

Bits

Integral Nonlinearity (INL) 3

±1

LSB max

Differential Nonlinearity (DNL) 3

Guaranteed no missed codes to 12 bits

± 0.95

LSB max

Zero-Code Error3

±6

LSB max

Positive Gain Error3

±2

LSB max

Negative Gain Error3

±2

LSB max

ANALOG INPUT

Full-Scale Input Span

2 × V

REF

IN+ – VIN–

Absolute Input Voltage

IN+

CM = VREF

1 ± V

REF/2

IN–

CM = VREF

1 ± V

REF/2

DC Leakage Current

±1

µA max

Input Capacitance

When in track/hold

30/10

pF typ

REFERENCE INPUT

REF Input Voltage

DD = 4.75 V to 5.25 V (±1% tolerance for

specified performance)

2.56

DD = 2.7 V to 3.6 V (±1% tolerance for

specified performance)

2.07

DC Leakage Current

±1

µA max

REF Input Capacitance

When in track/hold

10/30

pF typ

LOGIC INPUTS

Input High Voltage, V

INH

2.4

V min

Input Low Voltage, V

INL

0.8

V max

Input Current, I

Typically 10 nA, V

IN = 0 V or VDD

±1

µA max

Input Capacitance, C

pF max

LOGIC OUTPUTS

Output High Voltage, V

DD = 4.75 V to 5.25 V, ISOURCE = 200 µA

2.8

V min

DD = 2.7 V to 3.6 V, ISOURCE = 200 µA

2.4

V min

Output Low Voltage, V

SINK = 200 µA

0.4

V max

Floating-State Leakage Current

±1

µA max

Floating-State Output Capacitance8

pF max

Output Coding

Twos Complement

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