ADCA3270ACEZ-R7 datasheet(3/14 Pages) AD

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Data Sheet

ADCA3270

Rev. 0 | Page 3 of 14

SPECIFICATIONS

GENERAL PERFORMANCE

Supply voltage (VCC) = 24 V, exposed paddle temperature (TPADDLE) = 35°C, source impedance (ZS) = load impedance (ZL) = 75 Ω, and dc

current (ICC) = 480 mA, unless otherwise noted.

Table 1.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

POWER GAIN

S21

22.0

23.6

25.0

Frequency = 45 MHz, see Figure 4

23.0

26.5

Frequency = 1218 MHz, see Figure 4

SLOPE STRAIGHT LINE1

2.0

Frequency = 45 MHz to 1218 MHz

FLATNESS OF FREQUENCY RESPONSE2

0.75

Frequency = 45 MHz to 1218 MHz

REVERSE ISOLATION

S12

Frequency = 45 MHz to 1218 MHz, see Figure 5

RETURN LOSS

See Figure 3 and Figure 6

Input

S11

−20

Frequency = 45 MHz to 320 MHz

−15

Frequency = 320 MHz to 640 MHz

−12

Frequency = 640 MHz to 870 MHz

−12

Frequency = 870 MHz to 1000 MHz

−12

Frequency = 1000 MHz to 1218 MHz

Output

S22

−20

Frequency = 45 MHz to 320 MHz

−20

Frequency = 320 MHz to 640 MHz

−20

Frequency = 640 MHz to 870 MHz

−20

Frequency = 870 MHz to 1000 MHz

−18

Frequency = 1000 MHz to 1218 MHz

NOISE FIGURE

Frequency = 45 MHz

Frequency = 1218 MHz

SUPPLY

Voltage

VCC

Supply voltage can be adjusted for different applications,

see the Applications Information section

DC Current (Total)

ICC (TOTAL)

350

480

500

Can be biased between 350 mA and 480 mA (see the

Applications Information section)

RF Input Bias Voltage

VBIAS

1.08

1 Slope straight line is defined as the delta between the gain at the start frequency and the gain at the stop frequency.

2 Flatness of frequency response is defined as the delta between the gain at any frequency between the start and stop frequencies and a straight line reference drawn

between the gain at the start frequency and the gain at the stop frequency.

DISTORTION DATA (ALL DIGITAL CHANNEL PLAN)

VCC = 24 V, TPADDLE = 35°C, and ZS = ZL = 75 Ω, unless otherwise noted.

Table 2.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions/Comments

TOTAL COMPOSITE POWER

TCP

dBmV

18 dB tilt, 190 digital (256 QAMs) channels from 57 MHz to

1215 MHz

dBmV

9 dB tilt, 190 digital (256 QAMs) channels from 57 MHz to

1215 MHz

ERROR RATES

Modulation Error Rate

MER

Bit Error Rate

BER

<1 × 10−10

PostViterbi, 18 dB tilt, 190 digital (256 QAMs) channels from

57 MHz to 1215 MHz

<1 × 10−9

PreViterbi, 9 dB tilt, 190 digital (256 QAMs) channels from

57 MHz to 1215 MHz

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