Rainbow-electronics MAX1182 Manual de usuario descargar pdf (Pagina 9)

MAX1182

Dual 10-Bit, 65Msps, +3V, Low-Power ADC with

Internal Reference and Parallel Outputs

_______________________________________________________________________________________ 9

2.00

2.02

2.01

2.04

2.03

2.05

2.06

-40 10-15 35 60 85

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX1182 toc27

TEMPERATURE (

REFOUT

(V)

20000

40000

60000

80000

100000

120000

140000

160000

N-2 N-1 N N+1 N+2

OUTPUT NOISE HISTOGRAM (DC INPUT)

MAX1182 toc28

DIGITAL OUTPUT CODE

COUNTS

926

129421

725

Typical Operating Characteristics (continued)

= +3V, OV

= +2.5V, internal reference, differential input at -0.5dB FS, f

CLK

= 65MHz, C

≈ 10pF, T

= +25°C, unless otherwise

noted.)

Pin Description

PIN NAME FUNCTION

1 COM Common-Mode Voltage Input/Output. Bypass to GND with a ≥0.1µF capacitor.

2, 6, 11, 14, 15 V

Analog Supply Voltage. Bypass to GND with a capacitor combination of 2.2µF in parallel with

0.1µF.

3, 7, 10, 13, 16 GND Analog Ground

4 INA+ Channel A Positive Analog Input. For single-ended operation, connect signal source to INA+.

5 INA- Channel A Negative Analog Input. For single-ended operation, connect INA- to COM.

8 INB- Channel B Negative Analog Input. For single-ended operation, connect INB- to COM.

9 INB+ Channel B Positive Analog Input. For single-ended operation, connect signal source to INB+.

12 CLK Converter Clock Input

17 T/B

T/B selects the ADC digital output format.

High: Two’s complement.

Low: Straight offset binary.

18 SLEEP

Sleep Mode Input.

High: Deactivates the two ADCs, but leaves the reference bias circuit active.

Low: Normal operation.

19 PD

Power-Down Input.

High: Power-down mode

Low: Normal operation

20 OE

Output Enable Input.

High: Digital outputs disabled

Low: Digital outputs enabled

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 20 21

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Rainbow-electronics MAX1182 Manual de usuario Pagina 9

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