HI7191IBZ-T datasheet(4/25 Pages) INTERSIL

Part #	HI7191IBZ-T

Description	24-Bit, High Precision, Sigma Delta A/D Converter

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Manufacturer	INTERSIL [Intersil Corporation]

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4

FN4138.8

June 1, 2006

Absolute Maximum Ratings

Thermal Information

Supply Voltage

AVDD to AGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.5V

AVSS to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -5.5V

DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.5V

DGND to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±0.3V

Analog Input Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . AVSS to AVDD

Digital Input, Output and I/O Pins . . . . . . . . . . . . . . DGND to DVDD

ESD Tolerance (No Damage)

Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .500V

Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+100V

Charged Device Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . .1000V

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C

Thermal Resistance (Typical, Note 1)

θ

JA (°C/W)

PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

125

SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

75

Maximum Junction Temperature

Plastic Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C

Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C

Maximum Lead Temperature (Soldering, 10s). . . . . . . . . . . . . 300°C

(SOIC - Lead Tips Only)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1.

θ

JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

Electrical Specifications

AVDD = +5V, AVSS = -5V, DVDD = +5V, VRHI = +2.5V, VRLO = AGND = 0V, VCM = AGND,

PGIA Gain = 1, OSCIN = 10MHz, Bipolar Input Range Selected, fN = 10Hz

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

SYSTEM PERFORMANCE

Integral Non-Linearity, INL

End Point Line Method (Notes 3, 5, 6)

-

±0.0015

±0.003

%FS

Differential Non-Linearity

(Note 2)

No Missing codes to 20-Bits

LSB

Offset Error, VOS

(See Table 1)

-

Offset Error Drift

VINHI = VINLO (Notes 3, 8)

-

1

-

μV/ °C

Full Scale Error, FSE

VINHI - VINLO = +2.5V (Notes 3, 5, 8, 10)

-

Noise, eN

(See Table 1)

-

Common Mode Rejection Ratio, CMRR

VCM = 0V, VINHI = VINLO from -2V to +2V

-

70

-

dB

Normal Mode 50Hz Rejection

Filter Notch = 10Hz, 25Hz, 50Hz (Note 2)

120

-

dB

Normal Mode 60Hz Rejection

Filter Notch = 10Hz, 30Hz, 60Hz (Note 2)

120

-

dB

Step Response Settling Time

-

2

4

Conversions

ANALOG INPUTS

Input Voltage Range

Unipolar Mode (Note 9)

0

-

VREF

V

Input Voltage Range

Bipolar Mode (Note 9)

- VREF

-VREF

V

Common Mode Input Range

(Note 2)

AVSS

-AVDD

V

Input Leakage Current, IIN

VIN = AVDD (Note 2)

-

1.0

nA

Input Capacitance, CIN

-5.0

-

pF

Reference Voltage Range, VREF

(VREF = VRHI - VRLO)

2.5

-

5

V

Transducer Burn-Out Current, IBO

-

200

-

nA

CALIBRATION LIMITS

Positive Full Scale Calibration Limit

-

1.2(VREF/Gain)

-

Negative Full Scale Calibration Limit

-

1.2(VREF/Gain)

-

Offset Calibration Limit

-

1.2(VREF/Gain)

-

Input Span

0.2(VREF/Gain)

-

2.4(VREF/Gain)

-

DIGITAL INPUTS

Input Logic High Voltage, VIH

(Note 11)

2.0

-

V

Input Logic Low Voltage, VIL

--

0.8

V

HI7191

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