Data Sheet

AD8340

SPECIFICATIONS

VS = 5 V, TA = 25°C, ZO = 50 Ω, f = 880 MHz, single-ended, ac-coupled source drive to RFIP through 5.6 nH series inductor, RFIM

ac-coupled through 5.6 nH series inductor to common, differential-to-single-ended conversion at output using 1:1 balun.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

OVERALL FUNCTION

Frequency Range

700

1000

MHz

Maximum Gain

Maximum gain setpoint for all phase setpoints

−2

dB

Minimum Gain

VBBI = VBBQ = 0 V

−32

dB

Gain Control Range

Relative to maximum gain

30

dB

Phase Control Range

Over 30 dB control range

360

Degrees

Gain Flatness

Over any 60 MHz bandwidth

0.25

dB

Group Delay Flatness

Over any 60 MHz bandwidth

10

ps

RF INPUT STAGE

RFIM, RFIP (Pin 21 and Pin 22)

Input Return Loss

From RFIP to CMRF (with 5.6 nH series inductors)

20

dB

CARTESIAN CONTROL INTERFACE (I and Q)

IBBP, IBBM, QBBP, QBBM (Pin 16, Pin 15, Pin 3, Pin 4)

Gain Scaling

2

1/V

Modulation Bandwidth

250 mV p-p sinusoidal baseband input single-ended

230

MHz

Second Harmonic Distortion

250 mV p-p, 1 MHz, sinusoidal baseband input differential

47

dBc

Third Harmonic Distortion

250 mV p-p, 1 MHz, sinusoidal baseband input differential

45

dBc

Step Response

For gain setpoint from 0.1 to 0.9

(VBBP = 0.5 V, VBBM = 0.55 V to 0.95 V)

45

ns

For gain setpoint from 0.9 to 0.1

(VBBP = 0.5 V, VBBM = 0.95 V to 0.55 V)

47

ns

RF OUTPUT STAGE

RFOP, RFOM (Pin 9 and Pin 10)

Output Return Loss

Measured through balun

7.5

dB

f = 880 MHz

Gain

Maximum gain setpoint

−2

dB

Output Noise Floor

Maximum gain setpoint, no input

−149

dBm/Hz

PIN = 0 dBm, frequency offset = 20 MHz

−147

dBm/Hz

Output IP3

f1 = 880 MHz, f2 = 877.5 MHz, maximum gain setpoint

24

dBm

ACPR

IS-95, single carrier, POUT = 0 dBm, maximum gain,

phase setpoint = 45°

62

dBc

Output 1 dB Compression Point

Maximum gain

11

dBm

POWER SUPPLY

VPS2 (Pin 5, Pin 6, Pin 14); RFOP, RFOM (Pin 9 and Pin 10)

Positive Supply Voltage

4.75

5

5.25

V

Total Supply Current

Includes load current

110

130

150

mA

OUTPUT DISABLE

DSOP (Pin 13)

Disable Threshold

2.5

V

Maximum Attenuation

DSOP = 5 V

40

dB

Enable Response Time

Delay following high-to-low transition until device

meets full specifications

15

ns

Disable Response Time

Delay following low-to-high transition until device

produces full attenuation

10

ns

Rev. C | Page 3 of 20