MAX2202 Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Lista de partido

MAX2202

RMS Power Detector

Maxim Integrated 

RMS Power Detector

Bump Configuration

TOP VIEW

(BUMPS ON BOTTOM)

1

2

+

MAX2202

A

RFIN/ENA GND

B

GND FILT

C

VCC OUT

BUMP

A1

A2, B1

B2

C1

C2

Bump Description

NAME

RFIN/ENA

GND

FILT

VCC

OUT

FUNCTION

RF Input and Enable Logic Input. See the Typical Operating Circuit. Drive ENA high to turn on the

device. Drive ENA low to place it in shutdown mode.

Ground. Connect to PCB ground plane.

Intermediate Filtering Node. Bypass FILT with a capacitor as close as possible to the device.

Power Supply. Connect to either a regulated supply or battery. Bypass VCC with a capacitor as close

as possible to the device.

Detector Output. Connect an external lowpass RC filter for filtering.

Detailed Description

The MAX2202 RMS power detector is designed to

operate from 800MHz to 2.0GHz. The device is ideal for

LTE, WCDMA, cdma2000, and high-speed downlink/

uplink packet access. The device accepts an RF signal

at the input and outputs the same voltage regardless of

the peak-average of the input signal. The output volt-

age and input power is linear in dB. The device has a

-29dBm to 0dBm detection range, and every dB

change in input power gives 33mV (typ) change in out-

put voltage. Table 1 shows the peak to average of the

signals used to test the device.

Table 1. Peak-to-Average Ratio (PAR*) of Test Signals

MODULATION

DPCCH + 1DPDCH

DPCCH + 5DPDCH

IS95 Reverse

IS95 Forward Pilot

9-Channel Forward

cdma2000 Pilot + DCCH

*PAR of CW is 3dB.

PAR AT DIFFERENT PROBABILITY OF COMPLEMENTARY CUMULATIVE

DISTRIBUTION (dB)

10%

1%

0.1%

0.01%

4.8

5.8

6.2

6.5

6.5

8.4

9.2

9.8

5.5

6.9

7.6

8.1

5.6

7.6

8.8

9.5

7

10.3

12

12.7

6.8

8.3

9.2

9.7

_______________________________________________________________________________________ 5

Downloaded from: http://www.datasheetcatalog.com/

Share Link: