ADC0804S030_040_050_3

© IDT 2012. All rights reserved.

Product data sheet

Rev. 03 — 2 July 2012

8 of 18

Integrated Device Technology

ADC0804S030/040/050

Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz

Harmonics (fclk = 40 MHz); see Figure 7 and 8

1H

first harmonic level

fi = 4.43 MHz

-

-

0

dB

2H

second harmonic level

fi = 4.43 MHz

-

75

65

dB

3H

third harmonic level

fi = 4.43 MHz

-

72

65

dB

THD

total harmonic distortion fi = 4.43 MHz

-

65

-

dB

Signal-to-noise ratio; see Figure 7 and 8[7]

S/N

signal-to-noise ratio

full scale;

without harmonics;

fclk = 40 MHz; fi = 4.43 MHz

46

49

-

dB

Effective number of bits[7]

ENOB

effective number of bits ADC0804S030TS (fclk = 30 MHz)

fi = 4.43 MHz

-

7.8

-

bits

fi = 7.5 MHz

-

7.8

-

bits

ADC0804S040TS (fclk = 40 MHz)

fi = 4.43 MHz

-

7.8

-

bits

fi = 7.5 MHz

-

7.8

-

bits

fi = 10 MHz

-

7.8

-

bits

fi = 15 MHz

-

7.4

-

bits

ADC0804S050TS (fclk = 50 MHz)

fi = 4.43 MHz

-

7.8

-

bits

fi = 7.5 MHz

-

7.8

-

bits

fi = 10 MHz

-

7.8

-

bits

fi = 15 MHz

-

7.3

-

bits

Two-tone intermodulation[8]

IM

intermodulation

suppression

fclk = 40 MHz

-

69

-

dB

Bit error rate

BER

bit error rate

fclk = 40 MHz; fi = 4.43 MHz;

VI = 16 LSB at code 512

-

1013

-

times/

samples

Differential gain[9]

Gdif

differential gain

fclk = 40 MHz;

PAL modulated ramp

-

0.8

-

%

Table 6.

Characteristics

VCCA = V3 to V4 = 4.75 V to 5.25 V; VCCD = V11 to V12 and V28 to V27 = 4.75 V to 5.25 V;

VCCO = V13 to V14 = 3.0 V to 5.25 V; AGND and DGND shorted together; Tamb = 0 C to 70 C; typical values measured at

VCCA = VCCD = 5 V and VCCO = 3.3 V, Vi(a)(p-p) = 2.0 V; CL = 15 pF and Tamb = 25 C; unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit