Philips Semiconductors RF Communications Products

Product specification

SA637

Low-voltage digital IF receiver

October 27, 1993

3

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

RATING

UNITS

Supply voltage

-0.3 to +6.0

V

Voltage applied to any other pin

V

Storage temperature range

-65 to +150

Operating ambient temperature range

-40 to +85

NOTE: Thermal impedance (

DC ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

UNITS

MIN

TYP

MAX

Power supply voltage range

2.7

5.5

V

DC current drain

Pin 9 = HIGH or OPEN

3.8

4.5

mA

4.4

5.5

mA

Standby

Pin 9 = LOW

0.11

0.5

mA

Input current

Pin 9 = LOW

-10

10

µA

Pin 9 = HIGH

-10

10

µA

Input level

Pin 9 = LOW

0

µA

Pin 9 = HIGH

µA

Power up time

RSSI valid (10% to 90%)

10

µs

Power down time

RSSI invalid (90% to 10%)

5

µs

AC ELECTRICAL CHARACTERISTICS

-68dBm. Test circuit Figure 1. The parameters listed below are tested using automatic test equipment to assure consistent electrical

characteristics. The limits do not represent the ultimate performance limits of the device. Use of an optimized RF layout will improve many of

the listed parameters.

SYMBOL

PARAMETER

TEST CONDITIONS

LIMITS

UNITS

MIN

TYP

MAX

Mixer/Osc section

Input signal frequency

200

MHz

Crystal oscillator frequency

200

MHz

NF

Noise figure at 90MHz

Matched input and output

6.2

dB

TOI

Third-order input intercept point

Input matched to 50

Ω source

-17

dBm

P1dB

Input 1dB compression point

-27

dBm

Conversion power gain

Matched 50

Ω

7

dB

Mixer input resistance

2.5

k

Ω

Mixer input capacitance

2.2

pF

Mixer output resistance

1.87

k

Ω

Buffered LO output level

100

300

500

IF section

IF amp power gain

50

Ω source

36

dB

Limiter power gain

50

Ω source

60

dB

IF amp bandwidth

2.5

MHz