TRF2020

SYNTHESIZER FOR GLOBAL SYSTEM

FOR MOBILE (GSM) CELLULAR TELEPHONES

SLWS020B – FEBRUARY 1995 – REVISED JANUARY 1998

4

POST OFFICE BOX 655303

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IOPER

Operational supply current

R = S = T = 1

(see Note 1)

11

13

mA

ISTDBY

Maximum standby current

R = S = T = 0

10

µA

IDDPM

Main synthesizer operational supply current

R = 1, S = T = 0

(see Note 1)

6

8

mA

IDDP1

Auxiliary-1 synthesizer operational supply current

R = 0, S = 1, T = 0 (see Note 1)

3.3

4.5

mA

IDDP2

Auxiliary-2 synthesizer operational supply current

R = 0, S = 0, T = 1 (see Note 1)

3.3

4.5

mA

NOTES:

1. Operational supply currents measured with RF_IN = 1200 MHz, AUX1_IN = 250 MHz, AUX2_IN = 250 MHz, fREF_IN = 39.6 MHz.

All loops are in lock condition and normal mode. Operational supply current = IOPER = IDDA + IDDP1 + IDDP2 + IDDPM + IDD

digital interface characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Clock

VIH

High-level input voltage

Data

0.7 VDD

VDD

V

Strobe

Clock

VIL

Low-level input voltage

Data

0

0.3 VDD

V

Strobe

Clock

IIH

High-level input current

Data

0

1

µA

Strobe

Clock

IIL

Low-level input current

Data

0

1

µA

Strobe

VOH

High-level output voltage

LD

IOH = 1 mA

VDD – 0.4

V

VOL

Low-level output voltage

LD

IOH = –2 mA

0.4

V

main loop, RF_IN

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fRF_IN

Input signal frequency

2.75

≤ VDDP ≤ 3.5 V

1200

MHz

PRF_IN

Input sensitivity

2.75

≤ VDDP ≤ 3.5 V,

Rsource = 50 Ω

–20

0

dBm

fCOMP

Phase detector comparison

2.75

≤ VDD ≤ 3.5 V

0

2

MHz

auxiliary loops, AUX1_IN and AUX2_IN

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fAUX_IN Input signal frequency

2.75

≤ VDDP ≤ 3.5 V

250

MHz

PAUX_IN Input sensitivity

2.75

≤ VDDP ≤ 3.5 V,

Rsource = 50 Ω

–20

0

dBm

fAUX_

COMP

Phase detector comparison

2.75

≤ VDD ≤ 3.5 V

0

2

MHz