AFE5801 datasheet(16/46 Pages) TI

Part #	AFE5801

Description	8-Channel Variable-Gain Amplifier (VGA) With Octal High-Speed ADC

PDF	46 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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16 / 46 page

Normalized Frequency − f/fc

−6

−5

−4

−3

−2

−1

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

G029

fS = 65MSPS

Low-Pass Filter = 14MHz

Low-Noise Mode Disabled

Gain = −6dB

Gain = 0dB

Gain = 30dB

Gain = 24dB

Gain = 6dB

Gain = 18dB

Gain = 12dB

DCLK

Data

AFE5801

SLOS591D – SEPTEMBER 2008 – REVISED MAY 2010

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All graphs are at 25°C, AVDD3 = 3.3V, AVDD18 = DVDD18 = 1.8V, –1dBFS analog input AC coupled with 0.1mF, internal

reference mode, maximum rated channel sampling frequency (65MSPS), LVCMOS (single-ended) clock, 50% duty cycle,

fIN = 2MHz, anti-aliasing filter set at 14MHz (3dB corner), output clamp disable and analog high-pass filter enabled. spacer

Figure 32. LPF Response Across Coarse Gain

Figure 33. LVDS Eye Pattern

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