AFE8405 datasheet(7/152 Pages) TI

7 / 152 page

AFE8405

14-BIT, 85-MSPS, SINGLE-ADC, 8-CHANNEL WIDEBAND RECEIVER

www.ti.com

SLWS212 – OCTOBER 2008

ANALOG ELECTRICAL CHARACTERISTICS (continued)

Typical values at TA = 25°C, minimum and maximum values over temperature range of TA = –40°C to 85°C, sampling rate =

80 MSPS, 50% clock duty cycle, AVDD = DRVDD = 3.3 V, –1-dBFS differential input, internal reference, and 3-VPP

differential clock (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Dynamic AC Characteristics (Continued)

fin = 10 MHz, TA = 25°C

fin = 30 MHz

83.5

fin = 50 MHz

fin = 70 MHz, TA = 25°C

SFDR

Spurious free dynamic range

dBc

fin = 70 MHz, TA = –40°C to 85°C

fin = 130 MHz

fin = 170 MHz

fin = 230 MHz

68.5

fin = 10 MHz, TA = 25°C

95.8

fin = 30 MHz

fin = 50 MHz

97.5

HD2

Second harmonic

fin = 70 MHz, TA = 25°C

dBc

fin = 130 MHz

81.5

fin = 170 MHz

fin = 230 MHz

68.5

fin = 10 MHz, TA = 25°C

fin = 30 MHz

83.5

fin = 50 MHz

82.5

HD3

Third harmonic

fin = 70 MHz, TA = 25°C

dBc

fin = 130 MHz

fin = 170 MHz

fin = 230 MHz

fin = 10 MHz, TA = 25°C

95.5

Worst harmonic/spur other than HD2 or HD3

dBc

fin = 70 MHz, TA = 25°C

fin = 10 MHz, TA = 25°C

fin = 30 MHz

73.5

fin = 50 MHz

73.5

fin = 70 MHz, TA = 25°C

SINAD

Signal-to-noise plus distortion

fin = 70 MHz, TA = 25°C to 85°C

dBFS

fin = 70 MHz, TA = –40°C

fin = 130 MHz

fin = 170 MHz

fin = 230 MHz

fin = 10 MHz, TA = 25°C

82.5

fin = 30 MHz

fin = 50 MHz

THD

Total harmonic distortion

fin = 70 MHz, TA = 25°C

83.5

dBc

fin = 130 MHz

fin = 170 MHz

fin = 230 MHz

Channel-to-channel crosstalk

fin = 225 MHz

dBc

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