44

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation of the device

at these or any other above those indicated in the operation

sections of the specifications below is not implied. Exposure to

absolute maximum rating conditions for extended periods of time

may affect reliability.

V

Pin 26 (V

Analog Common to Digital Common ......................................

±0.3V

Control Inputs to Digital Common ....................... –0.3 to V

Analog Input Voltage ...........................................................

±16.5V

Maximum Junction Temperature ........................................... 160

°C

Internal Power Dissipation .................................................. 750mW

Lead Temperature (soldering, 10s) ..................................... +300

°C

Thermal Resistance. Ø

Plastic DIP ....................................................................... 50

°C/W

SOIC .............................................................................. 100

°C/W

SPECIFICATIONS

(T

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

ANALOG INPUT

Voltage Ranges

±10V/±5V

V

Impedance

±10V Range

4.7

6.7

8.7

k

Ω

T

±5V Range

2.7

3.9

5.1

k

Ω

T

DC PERFORMANCE

Full Scale Error

Externally adjustable to zero;

–K

±0.1

±0.50

%

T

Integral Linearity Error

Note 1

–K

±0.35

±0.75

LSB

Differential Linearity Error

–K

±0.35

±0.95

LSB

No Missing Codes

Guaranteed

Bipolar Zero

Externally adjustable to zero

–K

±1

±5

LSB

T

VOLTAGE REFERENCE

Voltage Output

1.1440

1.2043

1.2645

V

Output Source Current

100

µA

Output Resistance

280

Ω

AC PERFORMANCE

T

SP8503

Conversion Time

2.6

µs

Complete Cycle

3.0

µs

Throughput Rate

333

kHz

Spurious-Free Dynamic Range

Note 2

@ 49kHz

85

dB

@ 161kHz

72

dB

Total Harmonic Distortion

Note 2

@ 49kHz

–81

dB

@ 161kHz

–71

dB

Signal to Noise Ratio (SNR)

Note 2

@ 49kHz

71.5

dB

@ 161kHz

71.5

dB

Signal to (Noise + Distortion) Ratio

Note 2

@ 49kHz

71

dB

@ 161kHz

68

dB

SP8505

Conversion Time

4.5

µs

Complete Cycle

5.0

µs

Throughput Rate

200

kHz

Spurious-Free Dynamic Range

Note 2

@ 49kHz

85

dB

@ 97kHz

77

dB