MDC_HDAS-524/528.B01 Page 2 of 5

www.murata-ps.com

HDAS-524, HDAS-528

12-Bit, 400kHz

, Complete

Data Acquisition System

ANALOG INPUTS

MIN.

TYP.

MAX.

UNITS

Number of Inputs

HDAS-524

4 differential inputs

HDAS-528

8 single-ended inputs

Input Voltage Ranges

Gain = 1

0 to +10V, ±10V

Gain = 100

0 to +100mV, ±100mV

I.A. Gain Ranges

1, 2, 4, 8, 10, 100

Input Impedance

CH On, CH Off

—

Ohms

Input Capacitance

(-524) CH On, CH Off

—

—

12

pF

(-528) CH On, CH Off

—

—

25

pF

Input Bias Current

—

—

±200

pA

Input Offset Current

—

—

±50

pA

Input Offset Voltage

—

—

±10

mV

Common Mode Voltage Range

±11

—

—

Volts

CMRR, G = 1, @10Hz,

Vcm = 1Vp-p

72

80

—

dB

Voltage Noise (RMS)

Gain = 1

—

—

200

V

Gain = 8

—

—

50

V

MUX Crosstalk @125kHz

–72

—

—

dB

MUX ON Resistance

—

450

500

Ohms

Bias Current Tempco

Doubles (max.) every 10°C above +70°C

Offset Current Tempco

Doubles (max.) every 10°C above +70°C

Offset Voltage Tempco

(±30ppm/°C x gain) ±20ppm/°C (max.)

Input Gain Equation

DIGITAL INPUTS

Logic Levels

Logic 1

+2.0

—

—

Volts

Logic 0

—

—

+0.5

Volts

Logic Loading

Logic 1

—

—

+5

A

Logic 0

—

—

–600

A

OUTPUTS

Logic Levels

Logic 1

+2.4

—

—

Volts

Logic 0

—

—

+0.4

Volts

Logic Loading

Logic 1

—

—

–160

A

Logic 0

—

—

+6.4

mA

Internal Reference

Voltage, +25°C

+9.9

+10.0

+10.1

Volts

Drift

—

±5

±35

ppm/°C

External Current

—

—

1.5

mA

Output Coding

Straight binary/Offset binary

Comp. binary/Comp. offset binary

PARAMETERS

MIN.

TYP.

MAX.

UNITS

+15V Supply, Pin 20

0

—

+18

Volts

–15V Supply, Pin 18

0

—

–18

Volts

+5V Supply, Pin 36

–0.5

—

+7

Volts

Digital Inputs, Pins 9, 34, 37-40

–0.3

—

Volts

Analog Inputs, Pins 1–8

–15

—

+15

Volts

Lead Temperature (10 seconds)

—

—

300

°C

PERFORMANCE

MIN.

TYP.

MAX.

UNITS

Resolution

12

—

—

Bits

Integral Nonlinearity, +25°C

—

—

±0.75

LSB

0 to +70°C

—

—

±0.75

LSB

–55 to +125°C

—

—

±1.5

LSB

Differential Nonlinearity, +25°C

—

—

±0.75

LSB

0 to +70°C

—

—

±0.75

LSB

–55 to +125°C

—

—

±1

LSB

F.S. Abs. Accuracy, +25°C

—

±0.13

±0.3

%FSR

0 to +70°C

—

±0.15

±0.5

%FSR

–55 to +125°C

—

±0.25

±0.78

%FSR

Unipolar Zero Error, +25°C

—

±0.074

±0.15

%FSR

Unipolar Zero Tempco

—

±15

±30

ppm/°C

Bipolar Zero Error, +25°C

—

±0.074

±0.15

%FSR

Bipolar Zero Tempco

—

±5

±10

ppm/°C

Bipolar Offset Error, +25°C

—

±0.1

±0.25

%FSR

Bipolar Offset Tempco

—

±20

±40

ppm/°C

Gain Error, +25°C

—

±0.1

±0.25

%

Gain Tempco

—

±20

±40

ppm/°C

Harmonic Distortion (–FS)

(DC to 5kHz, 10Vp-p)

—

–73

–65

dB

No Missing Codes

Over operating temperature range

SIGNAL TIMING

Enable to Data Valid Delay

—

—

10

ns

MUX Address Set-up Time

400

—

—

ns

Start Convert Pulse Width

50

100

—

ns

Data Valid After

EOC Signal Goes Low

—

—

20

ns

Conversion Time, +25°C

—

—

800

ns

0 to +70°C

—

—

850

ns

–55 to +125°C

—

—

880

ns

Throughput Rates

Gain = 1

400

—

—

kHz

Gain = 2

325

—

—

kHz

Gain = 4

275

—

—

kHz

Gain = 8

225

—

—

kHz

Gain = 10

175

—

—

kHz

Gain = 100

40

—

—

kHz

S/H PERFORMANCE

Acquisition Time

Full-Scale Step to ±0.01%

—

500

900

ns

Full-Scale Step to ±0.1%

—

400

750

ns

Aperture Delay

–50

–20

0

ns

Aperture Uncertainty

—

—

±150

ps

Slew Rate

±70

±90

—

V/μs

Hold Mode Settling Time

To ±1mV

—

100

200

ns

To ±10mV

—

75

150

ns

Feedthrough Rejection

80

88

—

dB

Droop Rate

—

±0.1

±100

μV/μs

POWER SUPPLIES

Range, +15V Supply

+14.25

+15.0

+15.75

Volts

–15V Supply

–14.25

–15.0

–15.75

Volts

+5V Supply

+4.75

+5.0

+5.25

Volts

Current, +15V Supply

—

+78

+90

mA

–15V Supply

—

–72

–82

mA

+5V Supply

—

+75

+95

mA

Power Dissipation

—

2.6

3

Watts

Power Supply Rejection

—

—

±0.05

%FSR/%V

PHYSICAL/ENVIRONMENTAL

Oper. Temp. Range, Case, -MC,

0

—

+70

°C

-MM, 883

–55

—

+125

°C

Storage Temp. Range

–65

—

+150

°C

Package Type

40-pin ceramic DDIP

Weight

0.56 ounces (16 grams)

ABSOLUTE MAXIMUM RATINGS

FUNCTIONAL SPECIFICATIONS

(Apply over the operating temperature range with ±15V and +5V supplies unless

otherwise specified.)

Footnotes:

Specifications valid at +25°C and over the temperature ranges of 0 to +70°C or –55 to +125°C.

2k

GAIN =

+1