AFE5803 datasheet(10/53 Pages) TI2

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0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5

Vcntl (V)

Low noise

Medium power

Low power

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

Vcntl (V)

−40 deg C

25 deg C

85 deg C

1000

2000

3000

4000

5000

6000

7000

8000

9000

Gain (dB)

G004

1000

2000

3000

4000

5000

6000

7000

8000

9000

Gain (dB)

G005

1000

2000

3000

4000

5000

6000

7000

8000

Gain (dB)

G005

100

110

120

ADC Output

G058

AFE5803

SLOS763A

– JANUARY 2012 – REVISED JANUARY 2012

www.ti.com

TYPICAL CHARACTERISTICS

AVDD_5 V = 5 V, AVDD = 3.3 V, AVDD_ADC = 1.8 V, DVDD = 1.8 V, ac-coupled with 0.1

µF caps at INP and 1

5nF caps at INM, No active termination, VCNTL = 0 V, FIN = 5 MHz, LNA = 18 dB, PGA = 24 dB, 14 Bit, sample

rate = 65 MSPS, LPF Filter = 15 MHz, low noise mode, VOUT = -1dBFS, ADC is configured in internal reference

mode, single-ended VCNTL mode, VCNTLM = GND, at ambient temperature TA = 25°C, unless otherwise noted.

Figure 2. Gain vs. VCNTL, LNA = 18 dB and PGA = 24 dB

Figure 3. Gain Variation vs. Temperature, LNA = 18 dB and

PGA = 24 dB

Figure 4. Gain Matching Histogram,

Figure 5. Gain Matching Histogram,

VCNTL= 0.3V (34951 channels)

VCNTL = 0.6V (34951 channels)

Figure 6. Gain Matching Histogram,

Figure 7. Output Offset Histogram, VCNTL = 0V (1247

channels)

VCNTL = 0.9V (34951 channels)

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