MDC_HDAS-16/8.B01 Page 2 of 7

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HDAS-16, HDAS-8

PERFORMANCE (cont.)

MIN.

TYP.

MAX.

UNITS

Unipolar Zero Error

+25°C

—

—

±0.1

%FSR

–55 to +125°C

—

—

±0.3

%FSR

Bipolar Zero Error

+25°C

—

—

±0.1

%FSR

–55 to +125°C

—

—

±0.3

%FSR

Bipolar Offset Error

+25°C

—

—

±0.1

%FSR

–55 to +125°C

—

—

±0.3

%FSR

Gain Error

+25°C

—

—

±0.2

%

–55 to +125°C

—

—

±0.3

%

DYNAMIC CHARACTERISTICS

Acquisition Time, Gain = 1

+25°C

—

9

10

μs

–55 to +125°C

—

—

15

μs

ApertureDelayTime

——

500

ns

Aperture Uncertainty

——

1

ns

S/H Droop Rate

—

—

±1

μV/μs

Feedthrough

—

—

±0.01

%

A/D Conversion Time

+25°C

—

6

8

μs

–55 to +125°C

—

—

10

μs

ThroughputRate

+25°C

50

66

—

kHz

–55 to +125°C

33

—

—

kHz

DIGITAL INPUTS

Logic Levels

(Pins 8, 13–16, 19–21, 26, 31)

Logic 1

+2.0

—

+5.5

Volts

Logic 0

0

—

+0.8

Volts

(Pin 5)

Logic 1

+4.0

—

+5.5

Volts

Logic 0

0

—

+0.8

Volts

Logic Loading

(Pins 5, 8, 13–16, 19–21,

26, 31)

Logic 1

—

—

±10

μA

Logic 0

—

—

±10

μA

Multiplexer Address Set-upTime

20

——ns

ENABLE to Data Valid Delay

—

2030ns

STROBE

40

——ns

OUTPUTS

Logic Levels (OutputData)

Logic 1

+2.4

—

—

Volts

Logic 1 (pin 7)

+2.5

—

—

Volts

Logic 0

—

—

+0.4

Volts

(Pins 9, 10, 11, and 12)

Logic 1

+2.5

—

—

Volts

Logic 0

—

—

+0.4

Volts

Logic Loading

Logic 1

—

—

–400

μA

Logic 0

—

—

+4

mA

Internal Reference:

Voltage, +25°C

+9.99

+10.00

+10.01

Volts

Drift

—

—

±20

ppm/°C

External Current

—

—

1

mA

Output Data Coding

Straight binary (unipolar) or offset binary (bipolar)

ABSOLUTE MAXIMUM RATINGS

PARAMETERS

MIN.

TYP.

MAX.

UNITS

+15V Supply (pin 43)

–0.5

—

+18

Volts

–15V Supply (pin 44)

+0.5

—

–18

Volts

+5V Supply (pin 18)

–0.5

—

+7

Volts

AnalogInputs

–35

—

+35

Volts

DigitalInputs

–0.5

—

+7

Volts

ThermalResistances:

Junction-Case

—

—

15

°C/Watt

Case-Ambient

—

—

15

°C/Watt

Junction-Ambient

—

—

30

°C/Watt

Lead Temp. (10 seconds)

——

300

°C

ANALOG INPUTS

MIN.

TYP.

MAX.

UNITS

Signal Range, Unipolar

Gain = 1

0

—

+10

Volts

Gain = 200

—

—

+50

mV

Signal Range, Bipolar

Gain = 1

–10

—

+10

Volts

Gain = 200

–50

—

+50

mV

Input Gain Equation

Gain = 1 + (20k

Ω/RGAIN)

Gain Equation Error

—

—

±0.1

%

InstrumentationAmplifier

Input Impedance

—Ohms

Input Bias Current:

+25°C

—

—

±250

pA

–55 to +125°C

Doubles every 10°C

Input Offset Current:

+25°C

—

—

±1

nA

–55 to +125°C

Doubles every 10°C

Multiplexer

Channel ON Resistance

—

—

2

k

Ω

Channel OFF Input Leakage

—

±30

—

pA

Channel OFF Output Leakage

—

±1

—

nA

Channel ON Leakage

—

±100

—

pA

Input Capacitance

HDAS-16, Channel ON

—

100

—

pF

HDAS-8, Channel ON

—

50

—

pF

+25°C, Channel OFF

—

5

—

pF

Input Offset Voltage

Gain = 1, +25°C

—

—

±2

mV

–55 to +125°C (max.)

(±3ppm/°C x Gain) ±20ppm/°C

Gain = 200, +25°C

—

—

±100

mV

–55 to +125°C (max.)

(±3ppm/°C x Gain) ±20ppm/°C

Common Mode Range

±10

—

—

Volts

CMRR, Gain = 1, at 60Hz

70

82

—

dB

Input Voltage Noise, Gain = 1

(Referred to input)

—

150

200

μVrms

Channel Crosstalk

——

–80

dB

PERFORMANCE

Resolution

12

—

—

Bits

IntegralNonlinearity

0 to +70°C

—

—

±1

LSB

–55 to +125°C

—

—

±1

LSB

Differential Nonlinearity

0 to +70°C

—

—

±1

LSB

–55 to +125°C

—

—

±1

LSB

No Missing Codes

Over the operating temperature range

FUNCTIONAL SPECIFICATIONS

(The following specifications apply over the operating temperature range and power

supply range unless otherwise indicated.)