AD608–SPECIFICATIONS

Model

AD608

Conditions

Min

Typ

Max

Units

MIXER PERFORMANCE

RF and LO Frequency Range

500

MHz

LO Power

Input Terminated in 50

Ω

–16

dBm

Conversion Gain

Driving Doubly-Terminated 330

Ω IF Filter, Z

19

24

28

dB

Noise Figure

11

dB

16

dB

1 dB Compression Point

Input Terminated in 50

Ω

–15

dBm

Third-Order Intercept

–5

dBm

Input Resistance

1.9

k

Ω

Input Capacitance

3

pF

LIMITER PERFORMANCE

Gain

Full Temperature and Supply Range

110

dB

Limiting Threshold

3

° rms Phase Jitter at 10.7 MHz

–75

dBm

280 kHz IF Bandwidth

Input Resistance

10

k

Ω

Input Capacitance

3pF

Phase Variation

–75 dBm to +5 dBm IF Input Signal at 10.7 MHz

±3

Degree

DC Level

Center of Output Swing (VPOS-1)

2

V

Output Level

Limiter Output Driving 5 k

Ω Load

400

mV p-p

Rise and Fall Times

Driving a 5 pF Load

11

ns

Output Impedance

200

Ω

RSSI PERFORMANCE

At 10.7 MHz

Nominal Slope

At VPOS = 3 V; Proportional to VPOS

17.27

20

23.27

mV/dB

Nominal Intercept

–85

dBm

Minimum RSSI Voltage

–75 dBm Input Signal

0.2

V

Maximum RSSI Voltage

+5 dBm Input Signal

1.8

V

RSSI Voltage Intercept

0 dBm Input Signal

1.57

1.82

V

Logarithmic Linearity Error

–75 dBm to +5 dBm Input Signal at IFHI

±1dB

RSSI Response Time

90% RF to 50% RSSI

200

ns

Output Impedance

At Midscale

250

Ω

POWER-DOWN INTERFACE

Logical Threshold

System Active on Logical High

1.5

V

Input Current

For Logical High

75

µA

Power-Up Response Time

Active Limiter Output

200

ns

Power-Down Response Time

To 200

µA Supply Current

400

ns

Power-Down Current

100

µA

POWER SUPPLY

Operating Range

–25

°C to +85°C

2.7

5.5

V

–40

°C to +85°C

4.5

5.5

V

Powered Up Current

VPOS = 3 V

7.3

mA

OPERATING TEMPERATURE

VPOS = 2.7 V to 5.5 V

–25

+85

°C

VPOS = 4.5 V to 5.5 V

–40

+85

°C

Specifications subject to change without notice.

REV. B

–2–

, unless otherwise noted)