ACPM-7821 Datasheet PDF - AVAGO TECHNOLOGIES LIMITED


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ACPM-7821
AVAGO TECHNOLOGIES LIMITED

Part Number ACPM-7821
Description 4 x 4 Power Amplifier Module
Page 16 Pages

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ACPM-7821
4 x 4 Power Amplifier Module
for J-CDMA (898 – 925 MHz)
Data Sheet
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Description
The ACPM-7821 is a CDMA (Code Division Multiple
Access) power amplifier module designed for hand-
sets operating in the 898–925MHz bandwidth. The
ACPM-7821 meets stringent CDMA linearity require-
ments up to 28 dBm output power.
Features
Excellent linearity
High efficiency
10-pin surface mounting package
(4 mm x 4 mm x 1.1 mm)
A low current (Vcont) pin is provided for high effi-
ciency improvement of the low output power range.
The ACPM-7821 features CoolPAM circuit technology
offering state-of-the-art reliability, temperature
stability and ruggedness.
Low quiescent current
Internal 50matching networks for both RF input
and output
CDMA 95A/B, CDMA2000-1X/EVDO
ACPM-7821 is self contained, incorporating 50 ohm Applications
input and output matching networks.
Digital Cellular (J-CDMA)
Functional Block Diagram
Vref(1)
Vcont(2)
Bias Circuit & Control Logic
RF Input
(4)
Input
Match
MMIC
DA
Inter
Stage
Match
PA
Output
Match
MODULE
RF Output
(8)
Vcc1(5)
Vcc2(6)
Ordering Information
Part Number No. of Devices
ACPM-7821-TR1
1000
ACPM-7821-BLK
100
Container
7" Tape and Reel
Bulk



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Table 1. Absolute Maximum Ratings[1]
Parameter
RF Input Power
DC Supply Voltage
DC Reference Voltage
Control Voltage
Storage Temperature
Symbol
Pin
Vcc
Vref
Vcont
Tstg
Min.
0
0
0
-55
Nominal
3.4
2.85
2.85
Max.
10.0
5.0
3.3
3.3
+125
Unit
dBm
V
V
V
°C
Table 2. Recommended Operating Conditions
Parameter
DC Supply Voltage
DC Reference Voltage
Mode Control Voltage
High Power Mode
Low Power Mode
Operating Frequency
Case Operating Temperature
Symbol
Vcc
Vref
Vcont
Vcont
Fo
To
Min.
3.2
2.75
898
-30
Nominal
3.4
2.85
Max.
4.2
2.95
0
2.85
925
25 85
Unit
V
V
V
V
MHz
°C
Table 3. Power Range Truth Table
Power Mode
Symbol Vref Vcont[2] Range
High Power Mode
PR2
2.85 Low
~ 28 dBm
Low Power Mode
PR1
2.85 High
~ 17 dBm
Shut Down Mode
0
Notes:
1. No damage assuming only one parameter is set at limit at a time with all other parameters set at or
below nominal value.
2. High (2.0V 3.0V), Low (0.0V 0.5V).
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Table 4. Electrical Characteristics for CDMA Mode (Vcc=3.4V, Vref=2.85V, T=25°C)
Characteristics
Symbol
Gain Gain_hi
Gain_low
Power Added Efficiency
PAE_hi
PAE_low
Total Supply Current
Icc_hi
Icc_low
Quiescent Current
Iq_hi
Iq_low
Reference Current
Control Current[1]
Iref_hi
Iref_low
Icont
Total Current in Power-down mode
Ipd
ACPR in High power mode
0.885 MHz offset ACPR1_hi
1.98 MHz offset ACPR2_hi
ACPR in Low power mode
0.885 MHz offset ACPR1_low
1.98 MHz offset ACPR2_low
Harmonic Suppression
Second
Third
2f0
3f0
Input VSWR
VSWR
Stability (Spurious Output)
S
Noise Power in Rx Band
RxBN
Ruggedness (No Damage)
Ru
Notes:
1. Control current when series 6.2kohm is used.
2. Characterized with IS-95 modulated signal
Condition
Min. Typ.
Pout = 28.0 dBm
Pout = 17 dBm
Pout = 28.0 dBm
Pout = 17 dBm
Pout = 28.0 dBm
Pout = 17 dBm
High Power Mode
Low Power Mode
Pout = 28.0 dBm
Pout = 17 dBm
Pout = 17 dBm
Vref = 0V
Pout = 28.0 dBm
Pout = 28.0 dBm
Pout = 17 dBm
Pout = 17 dBm
Pout = 28.0 dBm
Pout = 28.0 dBm
24
17
37
17
VSWR 6:1, All phase
Pout = 28.0 dBm
Pout < 28.0 dBm, Pin < 10.0 dBm
27
20
41.2
21.5
450
68
85
14
4
4.5
0.2
0.2
-53
-60
-57
-68
-35
-55
2:1
-136
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Max.
500
86
115
22
7
8
1
5
-46
-57
-46
-57
-30
-40
2.5:1
-60
-134
10:1
Unit
dB
dB
%
%
mA
mA
mA
mA
mA
mA
mA
µA
dBc
dBc
dBc
dBc
dBc
dBc
VSWR
dBc
dBm/Hz
VSWR
3



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Characterization Data(Vcc=3.4V, Vref=2.85V, T=25°C)
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500
450
400
350
300
250
200
150
100
50
0
-10 -5 0 5 10 15 20 25
Pout (dBm)
Figure 1. Total Current vs. Output Power.
30
898MHz
910MHz
925MHz
30
25
20
15
10
5
0
-10 -5 0 5 10 15 20 25 30
Pout (dBm)
Figure 2. Gain vs. Output Power.
898MHz
910MHz
925MHz
45
40
35
30 898MHz
25 910MHz
20 925MHz
15
10
5
0
-10 -5 0 5 10 15 20 25 30
Pout (dBm)
Figure 3. Power Added Efficiency vs. Output Power.
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-10 -5 0 5 10 15 20 25 30
Pout (dBm)
Figure 5. Adjacent Channel Power Ratio 2 vs.
Output Power.
898MHz
910MHz
925MHz
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-10 -5 0 5 10 15 20 25 30
Pout (dBm)
Figure 4. Adjacent Channel Power Ratio 1 vs.
Output Power.
898MHz
910MHz
925MHz
4




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