CXA1851N
Up/Down Converter for 900 MHz-Band Mobile Communications
For the availability of this product, please contact the sales office.
Description
The CXA1851N is an up/down converter IC for
900 MHz-band mobile communications.
This is suitable for 900 MHz-band digital cordless
telephone (CT2) and digital cellular.
20 pin SSOP (Plastic)
Features
鈥?Transmission/reception converter on a single chip
鈥?Operating frequency: 800 to 900 MHz
鈥?Supply voltage: 2.7 to 4.5 V
鈥?Power saving function
鈥?20-pin SSOP package used for set size reduction
Absolute Maximum Ratings
(Ta=25擄C)
鈥?Supply voltage
鈥?Operating temperature
Vcc
Topr
5
鈥?0 to +75
鈥?5 to +150
530鈭?/div>
V
擄C
擄C
mW
Applications
鈥?CT2 digital cordless telephone
鈥?Digital cellular
鈥?Storage temperature
Tstg
鈥?Allowable power dissipation
P
D
Structure
Bipolar silicon monolithic IC
鈭?/div>
When mounted on a 505脳0脳1.6 mm copper-
foiled glass epoxy board
Recommended Operating Conditions
Supply voltage
Vcc
2.7 to 4.5
V
Block Diagram and Pin Configuration
LO IN (D)
LO IN (U)
MIX OUT2
11
10
IF OUT
LO b (D)
Vcc (D)
LO b (U)
20
19
18
17
16
15
14
13
IF b
MIX
12
OSC BUFFER
AMP
IF AMP
MIX
RF AMP
1
GND
2
RF b
3
RF IN
4
PEAKING
OUT
5
P/S (D)
6
P/S (U)
7
Vcc (U)
8
RF OUT
RF PRE AMP
REG
REG
LNA
GND
IF IN
9
GND
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
鈥?鈥?/div>
MIX OUT1
E93505-TE
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