LMX2332U datasheet(4/42 Pages) NSC

4 / 42 page

Pin Descriptions (Continued)

Name

Pin No.

24-Pin CSP

Pin No.

20-Pin TSSOP

I/O

Description

IN IF

IF PLL prescaler complementary input. For single ended operation, this pin

should be AC grounded. The LMX233xU IF PLL can be driven differentially

when the bypass capacitor is omitted.

IN IF

IF PLL prescaler input. Small signal input from the VCO.

GND

—

Ground for the IF PLL digital circuitry, MICROWIRE, F

oLD, and oscillator

circuits.

o IF

IF PLL charge pump output. The output is connected to the external loop

filter, which drives the input of the VCO.

P IF

—

IF PLL charge pump power supply. Must be

≥ V

CC.

—

Power supply bias for the IF PLL analog and digital circuits, MICROWIRE,

oLD, and oscillator circuits. VCC may range from 2.7V to 5.5V. Bypass

capacitors should be placed as close as possible to this pin and be

connected directly to the ground plane.

1, 9, 13, 21

—

No connect.

Ordering Information

Model

Temperature Range

Package Description

Packing

NS Package Number

LMX2330USLBX

−40˚C to +85˚C

Chip Scale Package

(CSP) Tape and Reel

2500 Units Per Reel

SLB24A

LMX2330UTM

−40˚C to +85˚C

Thin Shrink Small

Outline Package

(TSSOP)

73 Units Per Rail

MTC20

LMX2330UTMX

−40˚C to +85˚C

Thin Shrink Small

Outline Package

(TSSOP) Tape and

Reel

2500 Units Per Reel

MTC20

LMX2331USLBX

−40˚C to +85˚C

Chip Scale Package

(CSP) Tape and Reel

2500 Units Per Reel

SLB24A

LMX2331UTM

−40˚C to +85˚C

Thin Shrink Small

Outline Package

(TSSOP)

73 Units Per Rail

MTC20

LMX2331UTMX

−40˚C to +85˚C

Thin Shrink Small

Outline Package

(TSSOP) Tape and

Reel

2500 Units Per Reel

MTC20

LMX2332USLBX

−40˚C to +85˚C

Chip Scale Package

(CSP) Tape and Reel

2500 Units Per Reel

SLB24A

LMX2332UTM

−40˚C to +85˚C

Thin Shrink Small

Outline Package

(TSSOP)

73 Units Per Rail

MTC20

LMX2332UTMX

−40˚C to +85˚C

Thin Shrink Small

Outline Package

(TSSOP) Tape and

Reel

2500 Units Per Reel

MTC20

LMX2332U Datasheet(PDF) 4 Page - National Semiconductor (TI)

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