AD7658 datasheet(3/25 Pages) AD

3 / 25 page

Preliminary Technical Data

AD7658/AD7657/AD7656

Rev. PrI | Page 3 of 25

AD7658 SPECIFICATIONS1

Table 1. AVCC = 4.5 V to 5.5 V, VDD = 9.5 V to 16.5 V, VSS = -9.5 V to -16.5V, DVCC = 4.5 V to 5.5 V, VDRIVE = 2.7V to 5.25V, fSAMPLE =

250 kSPS, VREF = 2.5V Internal/External, unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted

Parameter

B Versions1

Unit

Test Conditions/Comments

DYNAMIC PERFORMANCE

fIN = 50 kHz sine wave

Signal-to-Noise + Distortion (SINAD)2

dB min

dB typ

Total Harmonic Distortion (THD) 2

−92

dB typ

Peak Harmonic or Spurious Noise (SFDR) 2

−-TBD

dB typ

Intermodulation Distortion (IMD) 2

Second-Order Terms

−94

dB typ

Third-Order Terms

−100

dB typ

Aperture Delay

ns max

Aperature Delay Matching

ns max

100

ps typ

Aperture Jitter

ps typ

Full Power Bandwidth

MHz typ

@ −3 dB

2.2

MHz typ

@ −0.1 dB

DC ACCURACY

No Missing Codes

Bits min

Integral Nonlinearity2

±1

LSB typ

Positive Full Scale Error2

±0.4

% FS max

Bipolar Zero Error2

±2.1

mV max

VDD = 5.5 V

Negative Full Scale Error2

±0.4

% FS max

ANALOG INPUT

Input Voltage Ranges

±4xVREF

RNG bit/RANGE pin = 0

±2xVREF

RNG bit/RANGE pin = 1

DC Leakage Current

±0.3

µA max

Input Capacitance

pF typ

REFERENCE INPUT/OUTPUT

Reference output voltage

2.49/2.51

V min/max

Reference input Voltage range

2.5/3

V min/max

DC Leakage current

±0.5

µA max

VREF Pin

Input capacitance

pF typ

VREF Output Impedance

kOhms typ

Reference temperature Coefficient

ppm/°C max

ppm/°C typ

LOGIC INPUTS

Input High Voltage, VINH

0.7 x VDRIVE

V min

Input Low Voltage, VINL

03 x VDRIVE

V max

Input Current, IIN

±0.3

µA max

Typically 10 nA, VIN = 0 V or VCC

Input Capacitance, CIN3

pF max

LOGIC OUTPUTS

Output High Voltage, VOH

VDRIVE – 0.2

V min

ISOURCE = 200 µA;

Output Low Voltage, VOL

0.4

V max

ISINK = 200 µA

Floating-State Leakage Current

±0.3

µA max

Floating-State Output Capacitance3

pF max

Output Coding

Two’s Complement

CONVERSION RATE

Conversion Time

µs max

Track-and-Hold Acquisition Time

400

ns max

Throughput Rate

250

kSPS

POWER REQUIREMENTS

VDD

+9.5V/+16.5V

V min/max

AD7658 Datasheet(PDF) 3 Page - Analog Devices

AD7658 Datasheet(HTML) 3 Page - Analog Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Datasheet Download

Link URL