參數(shù)資料
型號： LMX2335USLBX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： XO, clock
英文描述： PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
中文描述： PLL FREQUENCY SYNTHESIZER, 1200 MHz, PQCC16
封裝： PLASTIC, CSP-16
文件頁數(shù)： 4/48頁
文件大?。?/td> 3127K
代理商： LMX2335USLBX
Pin Descriptions
Pin
Name
Pin No.
LMX2336U
20-Pin
UTCSP
20
Pin No.
LMX2336U
20-Pin
TSSOP
1
Pin No.
LMX2336U
24-Pin
CSP
24
Pin No.
LMX2335U
16-Pin
TSSOP
1
Pin No.
LMX2335U
16-Pin
CSP
16
I/O
Description
V
CC
–
Power supply bias for the RF1 PLL analog and
digital circuits. V
CC
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.
RF1 PLL charge pump power supply. Must be
≥
V
CC
.
RF1 PLL charge pump output. The output is
connected to the external loop filter, which drives
the input of the VCO.
LMX2335U: Ground for the RF1 PLL analog and
digital circuits.
LMX2336U: Ground for the RF1 PLL digital
circuitry.
RF1 PLL prescaler input. Small signal input from
the VCO.
LMX2335U: Don’t care.
LMX2336U: RF1 PLL prescaler complementary
input. For single ended operation, this pin should
be AC grounded. The LMX2336U RF1 PLL can
be driven differentially when the bypass
capacitor is omitted.
LMX2335U: Don’t care.
LMX2336U: Ground for the RF1 PLL analog
circuitry.
Oscillator input. It has an approximate V
CC
/2
input threshold and can be driven from an
external CMOS or TTL logic gate.
Oscillator output. This output is connected
directly to a crystal. If a TCXO is used, it is left
open.
Programmable multiplexed output pin. Functions
as a general purpose CMOS TRI-STATE output,
RF1/RF2 PLL push-pull analog lock detect
output, N and R divider output, or Fastlock
output, which connects a parallel resistor to the
external loop filter.
MICROWIRE Clock input. High impedance
CMOS input. Data is clocked into the 22-bit shift
register on the rising edge of Clock.
MICROWIRE Data input. High impedance
CMOS input. Binary serial data. The MSB of
Data is entered first. The last two bits are the
control bits.
MICROWIRE Latch Enable input. High
impedance CMOS input. When LE transitions
HIGH, Data stored in the shift registers is loaded
into one of 4 internal control registers.
V
P
RF1
D
o
RF1
1
2
2
2
1
–
2
3
3
3
2
O
GND
3
4
4
4
3
–
f
IN
RF1
4
5
5
5
4
I
f
IN
RF1
5
6
6
X
X
I
GND
6
7
7
X
X
–
OSC
in
7
8
8
6
5
I
OSC
out
8
9
10
7
6
O
F
o
LD
9
10
11
8
7
O
Clock
10
11
12
9
8
I
Data
11
12
14
10
9
I
LE
12
13
15
11
10
I
L
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相關(guān)PDF資料
PDF描述
LMX2335UTM PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2335U PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2336 PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2336LSLB PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2336LTM PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2335UTM 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2335UTM/NOPB 功能描述:IC FREQ SYNTHESIZER DUAL 16TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX2335UTMX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2336 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications
LMX2336 WAF 制造商:Texas Instruments 功能描述:
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