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參數資料
| 型號： | 935260845112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 2200 MHz, PDSO16 |
| 封裝： | 4.40 MM, PLASTIC, SOT-369-1, SSOP-16 |
| 文件頁數： | 12/18頁 |
| 文件大小： | 172K |
| 代理商： | 935260845112 |
1998 Nov 19
3
Philips Semiconductors
Product specication
Low-voltage frequency synthesizer for
radio telephones
UMA1021AM
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MGL406
CHARGE PUMP
PHASE COMPARATOR
MAIN DIVIDER
WITH
PRESCALER
REFERENCE
DIVIDER
SERIAL INTERFACE
BAND GAP
2
3
1
5
7
11
10
9
13
16
UMA1021AM
CP
4
6
8
LOCK
VSS3
RFI
VSS2
VDD2
PON
VSS1
ISET
XTAL
12
VDD1
15
VCC
14
GND(CP)
to charge pump
E
DATA
CLK
PINNING
SYMBOL
PIN
DESCRIPTION
LOCK
1
out-of-lock detector output
CP
2
charge pump output
VDD2
3
digital supply voltage
VSS3
4
ground 3 (0 V)
RFI
5
2 GHz main divider input
VSS2
6
ground 2 (0 V)
PON
7
power-on input
VSS1
8
ground 1 (0 V)
CLK
9
programming bus clock input
DATA
10
programming bus data input
E
11
programming bus enable input
(active LOW)
VDD1
12
digital supply voltage
XTAL
13
crystal frequency input
GND(CP)
14
ground for charge pump
VCC
15
analog supply voltage for charge
pump
ISET
16
charge pump current setting with
external resistor from this pin to
ground
Fig.2 Pin configuration.
handbook, halfpage
UMA1021AM
MGL405
1
2
3
4
5
6
7
8
LOCK
CP
VDD2
VSS3
RFI
VSS2
PON
VSS1
ISET
VCC
GND(CP)
XTAL
VDD1
E
DATA
CLK
16
15
14
13
12
11
10
9
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