New
High-speed PLL-IC for cellular phones
Fractional-N Single PLL AN26221A
Unit : mm
3-
C
Overview
AN26221A is a single PLL-IC for cellular phones (800 MHz/1.5
GHz) and can speedily switch frequency with a fractional-N
system.
QFN package is adopted for miniaturization.
(4.00)
15
16
(0.42)
11
3.20
±0.10
10
(3.00)
20
1
(0.55)
5
6
0.20
±0.10
R0.30
•
High-speed lock-up: typ 350µs
•
Low current consumption: typ 2.7 mA
(when operating at 717.45 MHz)
•
Compatible with 24-bit serial interface
•
Circuit configuration: Prescaler, Counter, Phase comparator,
Charge pump
•
Operating supply voltage: 2.7 to 3.3V
•
20-pin small leadless package: 4.2 mm
×
3.2 mm
×
0.8 mm
0.10
3.00
±0.10
(1.30)
1
2.00
±0.10
SEATING PLANE
(0
.1
5
6
(0.80)
(0.30)
10
5)
20
16
15
11
0.60
±0.10
0.40
(0.55)
0.08
M
0.16
±0.06
Applications
Cellular phones (PDC 800 MHz/1.5 GHz)
QFN020-P-0304A
Block Diagram
½½中
CLOCK
DATA
STROBE
N.C.
N.C.
24bit shift register
1st charge pump sub
CP1SUB1
N.C.
1st phase
comparator
Lock detection
circuit
30
Control
logic
6
6bit latch
7
7bit latch
5
22
22bit latch
22
Accumulator
reset circuit
ACC-Reset
22bit latch
30
30bit latch
30
30bit latch
30
22
30
T
CP1
1st charge pump
LD
CMOSSVCC1
M
K
ACC-Reset
22
Divide
ratio
control
circuit
8
CMOSSVCC2
CMOSGND1
8bit 1st AN counter
MUX
S
M
K
CMOSGND2
1stR counter
RFIN
1st prescaler
R value
ECL
→CMOS
N.C.
BIPVCC1
BIPGND1
REF
BIPVCC2
BIPGND2
Products and specifications are subject to change without notice. Please ask for the latest Product Standards to guarantee the satisfaction of your product requirements.
1 Kotari-yakemachi, Nagaokakyo, Kyoto 617-8520, Japan
M00585AE
Tel. +81-75-951-8151
http://www.panasonic.co.jp/semicon/
New publication, effective from 1 Aug, 2002
0.80 max
Features
0.
50
4.20
±0.10
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