7809LP datasheet(5/23 Pages) MAXWELL

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16-Bit Latchup Protected Analog to Digital Converter

7809LP

01.11.05 Rev 7

TABLE 6. 7809LP ANALOG INPUT AND THROUGHPUT SPEED

(SPECIFIED PERFORMANCE -40 TO +85°C)

PARAMETER

SUBGROUPS

MIN

TYP

MAX

UNIT

Voltage Ranges

10 V, 0 V to 5 V

See Table 2.

Impedance

Capacitance1

1. Guarenteed by design.

1, 2, 3

Conversion Time

9, 10, 11

7.6

µ s

Complete Cycle (Acquire and Convert)

9, 10, 11

µ s

Throughput Rate 2

2. Tested by application of signal.

9, 10, 11

100

kHz

TABLE 7. 7809LP AC ACCURACY SPECIFICATIONS

(SPECIFIED PERFORMANCE -40 TO +85°C)

PARAMETER

SUBGROUPS

MIN

TYP

MAX

UNIT

Spurious-Free Dynamic Range, f

IN = 20 kHz

1. Guaranteed by design.

4, 5, 6

100

dB 2

2. All specifications in dB are referred to a full-scale ±10 V input.

Total Harmonic Distortion, f

IN = 20 kHz

4, 5, 6

-100

-90

Signal-to-Noise (Noise + Distortion) 1

IN = 20 kHz

-60 dB Input

4, 5, 6

Signal-to-Noise 1, f

IN = 20 kHz

Full-Power Bandwidth 1,3

3. Full-Power Bandwidth defined as Full-Scale input frequency at which Signal-to-Noise (Noise + Distortion) degrades to 60 dB.

9, 10, 11

250

kHz

TABLE 8. 7809LP SAMPLING DYNAMICS

(SPECIFIED PERFORMANCE -40 TO +85°C)

PARAMETER

SUBGROUPS

MIN

TYP

MAX

UNIT

Aperture Delay

9, 10, 11

Aperture Jitter

9, 10, 11

Sufficient to meet AC specification

Transient Response FS Step

9, 10, 11

Overvoltage Recovery 1

1. Recovers to specified performance after 2 X FS input overvoltage.

9, 10, 11

150

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