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LMX2330L Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LMX2330L
Description  PLLatinum™ Low Power Dual Frequency Synthesizer for RF Personal Communications
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LMX2330L Datasheet(HTML) 2 Page - National Semiconductor (TI)

 
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Connection Diagrams
Pin Descriptions
Pin No.
LMX233XLSLB
24-pinCSP
Package
Pin No.
LMX233XLTM
20-pin TSSOP
Package
Pin
Name
I/O
Description
24
1
V
CC1
Power supply voltage input for RF analog and RF digital circuits. Input
may range from 2.7V to 5.5V. V
CC1 must equal VCC2. Bypass
capacitors should be placed as close as possible to this pin and be
connected directly to the ground plane.
22
V
P1
Power Supply for RF charge pump. Must be
≥ V
CC.
33
D
o RF
O
Internal charge pump output. For connection to a loop filter for driving
the input of an external VCO.
4
4
GND
Ground for RF digital circuitry.
55
f
IN RF
I
RF prescaler input. Small signal input from the VCO.
66
f
IN RF
I
RF prescaler complementary input. A bypass capacitor should be
placed as close as possible to this pin and be connected directly to the
ground plane. Capacitor is optional with some loss of sensitivity.
7
7
GND
Ground for RF analog circuitry.
8
8
OSC
in
I
Oscillator input. The input has a V
CC/2 input threshold and can be
driven from an external CMOS or TTL logic gate.
10
9
GND
Ground for IF digital, MICROWIRE,F
oLD, and oscillator circuits.
11
10
F
oLD
O
Multiplexed output of the RF/IF programmable or reference dividers,
RF/IF lock detect signals and Fastlock mode. CMOS output
(see
Programmable Modes).
12
11
Clock
I
High impedance CMOS Clock input. Data for the various counters is
clocked in on the rising edge, into the 22-bit shift register.
14
12
Data
I
Binary serial data input. Data entered MSB first. The last two bits are
the control bits. High impedance CMOS input.
Chip Scale Package (SLB)
(Top View)
DS012806-39
Order Number LMX2330LSLB, LMX2331LSLB or
LMX2332LSLB
NS Package Number SLB24A
Thin Shrink Small Outline Package (TM)
(Top View)
DS012806-2
Order Number LMX2330LTM, LMX2331LTM or
LMX2332LTM
NS Package Number MTC20
www.national.com
2


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