AD8314 datasheet(2/16 Pages) AD

2 / 16 page

–2–

REV. 0

AD8314–SPECIFICATIONS (V

S = 3 V, TA = +25 C, unless otherwise noted)

Parameter

Condition

Min

Typ

Max

Unit

OVERALL FUNCTION

Frequency Range

To Meet All Speciﬁcations

0.1

2.5

GHz

Input Voltage Range

Internally AC-Coupled

1.25

224

mV rms

Equivalent Power Range

52.3

Ω External Termination

–45

dBm

Logarithmic Slope

Main Output, V_UP, 100 MHz1

18.85

21.3

23.35

mV/dB

Logarithmic Intercept

Main Output, V_UP, 100 MHz

–68

–62

–56

dBV

Equivalent dBm Level

52.3

Ω External Termination

–55

–49

–43

dBm

INPUT INTERFACE

(Pin RFIN)

DC Resistance to COMM

100

Ω

Inband Input Resistance

f = 0.1 GHz

Ω

Input Capacitance

f = 0.1 GHz

MAIN OUTPUT

(Pin V_UP)

Voltage Range

V_UP Connected to VSET

0.01

1.2

Minimum Output Voltage

No Signal at RFIN, RL

≥ 10 kΩ

0.01

0.02

0.05

Maximum Output Voltage

≥ 10 kΩ

1.9

General Limit

2.7 V

≤ V

≤ 5.5 V

VS – 1.1

VS –1

Available Output Current

Sourcing/Sinking

1/0.5

2/1

Response Time

10%–90%, 10 dB Step

Residual RF (at 2f)

f = 0.1 GHz (Worst Condition)

100

µV

INVERTED OUTPUT

(Pin V_DN)

Gain Referred to V_UP

VDN = 2.25 V – 2

× V

–2

Minimum Output Voltage

≥ 3.3 V

0.01

0.05

0.1

Maximum Output Voltage

≥ 3.3 V3

2.1

2.2

2.5

Available Output Current

Sourcing/Sinking

4/100

6/200

mA/

µA

Output-Referred Noise

RF Input = 2 GHz, –33 dBV, fNOISE = 10 kHz

1.05

µV/√Hz

Response Time

10%–90%, 10 dB Input Step

Full-Scale Settling Time

–40 dBm to 0 dBm Input Step, to 95%

150

SETPOINT INPUT

(Pin VSET)

Voltage Range

Corresponding to Central 40 dB

0.15

1.2

Input Resistance

710

Ω

Logarithmic Scale Factor

f = 0.900 GHz

20.7

mV/dB

f = 1.900 GHz

19.7

mV/dB

ENABLE INTERFACE

(Pin ENBL)

Logic Level to Enable Power

HI Condition, –30

°C ≤ T

≤ +85°C

1.6

VPOS

Input Current when HI

2.7 V at ENBL, –30

°C ≤ T

≤ +85°C

300

µA

Logic Level to Disable Power

LO Condition, –30

°C ≤ T

≤ +85°C

–0.5

0.8

POWER INTERFACE

(Pin VPOS)

Supply Voltage

2.7

3.0

5.5

Quiescent Current

3.0

4.5

5.7

Over Temperature

–30

°C ≤ T

≤ +85°C

2.7

4.4

6.6

Total Supply Current when Disabled

µA

Over Temperature

–30

°C ≤ T

≤ +85°C40

µA

NOTES

1Mean and Standard Deviation speciﬁcations are available in Table I.

2Increased output possible when using an attenuator between V_UP and VSET to raise the slope.

3Refer to Figure 19 for details.

Speciﬁcations subject to change without notice.

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