AD7328(2004) データシートの表示（PDF） - Analog Devices

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AD7328
(Rev.:2004)

8-Channel, Software-Selectable True Bipolar Input, 12-Bit Plus Sign ADC

Analog Devices 

AD328

Parameter

Reference Temperature Coefficient

Reference Output Impedance

LOGIC INPUTS

Input High Voltage, VINH

Input Low Voltage, VINL

Input Current, IIN

Input Capacitance, CIN3

LOGIC OUTPUTS

Output High Voltage, VOH

Output Low Voltage, VOL

Floating State Leakage Current

Floating State Output Capacitance3

Output Coding

CONVERSION RATE

Conversion Time

Track-and-Hold Acquisition Time

Throughput Rate

POWER REQUIREMENTS

VDD4

VSS4

VCC

VDRIVE

Normal Mode

IDD

ISS

ICC

Auto-Standby Mode

IDD

ISS

ICC

Auto-Standby Mode

IDD

ISS

ICC

Full Shutdown Mode

IDD

ISS

ICC

POWER DISSIPATION

Normal Mode

Full Shutdown Mode

Preliminary Technical Data

Specification

25

10

25

Units

ppm/°C max

ppm/°C typ

Ω typ

Test Conditions/Comments

2.4

V min

0.8

V max

VCC = 4.75 to 5.25 V

0.4

V max

VCC = 2.7 to 3.6 V

±1

µA max

VIN = 0V or VCC

10

pF max

VDRIVE- 0.2V

0.4

±1

10

Straight

Natural

Binary

Two’s

Complement

V min

V max

µA max

pF max

ISOURCE = 200 µA

ISINK = 200 µA

Coding bit set to 1 in Control Register

Coding bit set to 0 in Control Register

800

ns max

16 SCLK Cycles with SCLK = 20 MHz

200

ns max

Sine Wave Input

200

ns max

Full Scale Step input

1

MSPS max See Serial Interface section

12V/+16.5V

-12V/16.5V

2.7V / 5.25V

2.7V/5.25V

V min/max

V min/max

V min/max

V min/max

Digital Inputs = 0V or VCC

See Table 5

See Table 5

See Table 5

300

µA max

VDD = +16.5V

370

µA max

VSS = -16.5V

2

mA max

VCC = 5.25V

FSAMPLE = TBD

TBD

µA max

TBD

µA max

1.6

mA typ

FSAMPLE = TBD

TBD

µA max

TBD

µA max

1

mA typ

0.9

µA max

0.9

µA max

0.9

µA max

SCLK On or Off

26

mW max

VDD = +16.5V, VSS = -16.5V, VCC = 5.25V,

35

µW max

VDD = +16.5V, VSS = -16.5V, VCC = 5.25V,

Rev. PrK | Page 4 of 24

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