AD8335 datasheet(9/24 Pages) AD

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AD8335

Rev. 0 | Page 9 of 24

–25

–20

–15

–10

–5

1.0

1.5

0.5

2.0

2.5

3.0

VGAIN (V)

+85

°C, HI

+85

°C, LO

–40

°C, LO

–40

°C, HI

+25

°C, LO

+25

°C, HI

Figure 15. Differential Output Offset Voltage vs. VGAIN at Three Temperatures

–25

–20

–15

–10

–5

1.0

1.5

0.5

2.0

2.5

3.0

VGAIN (V)

Figure 16. Absolute Offset vs. VGAIN at Pins VOHx and VOLx

Relative to Pins VCMx

100k

10M

0.1

100

FREQUENCY (Hz)

VIN = 10mV p-p

VOHx

VOLx

Figure 17. Output Resistance at Pins VOHx and VOLx vs. Frequency

10M

FREQUENCY (Hz)

100

RFB = 2.5kΩ

RFB = 1kΩ

RFB = 499Ω

RFB = 249Ω

RSH = 49Ω, CSH = 22pF

RSH = ∞, CSH = 0pF

Figure 18. Preamp Input Resistance vs. Frequency for

Various Values of RFB

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

FREQUENCY (Hz)

100k

10M

100M

25j

50j

100j

–75j

–50j

–25j

Ω

150

Ω

STOP

1GHz

START

100kHz

VIN = 10mV p-p

100MHz

Figure 19. Smith Chart S11 vs. Frequency, 100 kHz to 1 GHz

100

150

200

250

1.0

1.5

0.5

2.0

2.5

3.0

VGAIN (V)

HILO = HI

HILO = LO

RS = 0Ω

RFB = ∞

Figure 20. Output Referred Noise vs. VGAIN (See Figure 50)

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