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SKY77324 데이터시트 PDF




Skyworks Solutions에서 제조한 전자 부품 SKY77324은 전자 산업 및 응용 분야에서
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부품번호 SKY77324 기능
기능 iPAC PAM for Quad-Band GSM / GPRS
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SKY77324 데이터시트, 핀배열, 회로
DATA SHEET
SKY77324: iPAC™ PAM for Quad-Band GSM / GPRS
Applications
Quad-band cellular handsets
encompassing
- Class 4 GSM850/900
- Class 1 DCS1800 PCS1900
- Class 12 GPRS multi-slot operation
Features
Low input power range 0 to 6 dBm
High efficiency
- GSM850 49%
- GSM900 53%
- DCS 53%
- PCS 53%
Internal ICC sense resistor for PAC
Closed loop iPAC or open loop
operation with external PAC circuit
Input/Output matching 50 internal
(with DC blocking)
22-pin package
- Small outline 6 mm x 8 mm
- Low profile 1.2 mm maximum
Low APC current 20 µA
Gold plated, lead-free contacts
The SKY77324 Power Amplifier Module (PAM) is designed in a low profile (1.2 mm), compact
form factor for quad-band cellular handsets comprising GSM850/900, DCS1800, and
PCS1900 operation. The PAM also supports Class 12 General Packet Radio Service (GPRS)
multi-slot operation.
The module consists of separate GSM850/900 PA and DCS1800/PCS1900 PA blocks,
impedance-matching circuitry for 50 input and output impedances, and a Power Amplifier
Control (PAC) block with an internal current-sense resistor. The custom CMOS integrated
circuit provides the internal PAC function and interface circuitry. Fabricated onto a single
Gallium Arsenide (GaAs) die, one Heterojunction Bipolar Transistor (HBT) PA block supports
the GSM850/900 bands and the other supports the DCS1800 and PCS1900 bands. Both PA
blocks share common power supply pins to distribute current. The GaAs die, the Silicon (Si)
die, and the passive components are mounted on a multi-layer laminate substrate. The
assembly is encapsulated with plastic overmold.
RF input and output ports of the SKY77324 are internally matched to a 50 load to reduce
the number of external components for a quad-band design. Extremely low leakage current
(2.5 µA, typical) of the dual PA module maximizes handset standby time. The SKY77324 also
contains band-select switching circuitry to select GSM (logic 0) or DCS/PCS (logic 1) as
determined from the Band Select (BS) signal. In Figure 1, below, the BS pin selects the PA
output (DCS/PCS OUT or GSM850/900 OUT) and the Analog Power Control (VAPC) controls
the level of output power.
VBATT and VSENSE pins connect to an internal current-sense resistor and interface to an
integrated power amplifier control (iPAC™) function, which is insensitive to variations in
temperature, power supply, and process. The PAC ENABLE input allows initial turn-on of PAC
circuitry to minimize battery drain.
Figure 1. Functional Block Diagram
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
103123C • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • January 7, 2004
1




SKY77324 pdf, 반도체, 판매, 대치품
DATA SHEET • SKY77324
iPAC™ PAM FOR QUAD-BAND GSM / GPRS
Parameter
Frequency range
Input power
Analog power control voltage
Power Added Efficiency
2nd to 13th harmonics
Output power
Input VSWR
Forward isolation
Open Loop(4) Switching time
Table 3. SKY77324 Electrical Specifications (1) (2 of 9)
Symbol
Test Condition
GSM850 Mode (f = 824 to 849 MHz and PIN = 0 to 6dBm)
f
PIN
VAPC
VCC = 3.5 V
POUT = 34.5 dBm
PAE
PAC ENABLE > 2.0 V
pulse width 577 µs
duty cycle 1:8
TCASE = +25 °C
2fO to 13fO
BW = 3 MHz
6.5 dBm POUT 34.5 dBm
POUT
VCC = 3.5 V
TCASE = +25 °C
POUT MAX LOW VOLTAGE
VCC = 2.9 V
PAC ENABLE > 2.0 V
TCASE = –20 °C to +100 °C
(See Table 2 for multislot.)
PIN = 0 dBm
POUT MAX HIGH VOLTAGE
VCC = 4.5 V
PAC ENABLE > 2.0 V
TCASE = –20 °C to +100 °C
(See Table 2 for multislot.)
PIN = 0 dBm
ΓIN POUT = 6.5 to 34.5 dBm, controlled by VAPC
POUT STANDBY
PIN = 6 dBm
VAPC = 0.3 V
PAC ENABLE 0.2 V
POUT ENABLED
PIN = 6 dBm
VAPC 0.35 V
PAC ENABLE 2.0V
Time from POUT = –10 dBm to within
0.5 dBm of POUT = +6.5 dBm
τRISE Time from POUT = –10 dBm to within
0.5 dBm of POUT = +20.0 dBm
Time from POUT = –10 dBm to within
0.5 dBm of POUT = +34.5 dBm
Min.
824
0
0.4
45
34.5
32.0
32.0
Typ.
49
–25
35.0
34.0
35.7
1.5:1
–40
–30
1.2
1.0
1.4
Max. Units
849 MHz
6 dBm
2.1 V
—%
–10 dBm
dBm
2.0:1
–35
–16
dBm
2.0
1.3 µs
1.7
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
4 January 7, 2004 • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • 103123C

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SKY77324 전자부품, 판매, 대치품
iPAC™ PAM FOR QUAD-BAND GSM / GPRS
DATA SHEET • SKY77324
Parameter
Spurious
Load mismatch
Noise power
Coupling of Fundamental, 2nd, and 3rd
harmonics from the GSM band into the
DCS/PCS band
Power control dynamic range
Power control variation (5)
(Control level 5–15) 3.2 VCC 4.5
Power control variation (5)
(Control level 16–19)
Power control slope
Closed loop bandwidth
Loop phase margin
Table 3. SKY77324 Electrical Specifications (1) (5 of 9)
Symbol
Test Condition
Min. Typ. Max. Units
All combinations of the following parameters:
VAPC = controlled (2)
Spur PIN = min. to max.
No parasitic oscillation > –36 dBm
VCC = 2.9 V to 4.8 V
Load VSWR = 8:1, all phase angles
All combinations of the following parameters:
VAPC = controlled (2)
Load PIN = min. to max.
No module damage or permanent degradation
VCC = 2.9 V to 4.8 V
Load VSWR = 10:1, all phase angles
At fO + 20 MHz
RBW = 100 kHz
VCC = 3.5 V
6.5 dBm POUT 34.5 dBm
TCASE = +25 °C
— –84 –82
PNOISE
At fO + 10 MHz
RBW = 100 kHz
VCC = 3.5 V
6.5 dBm POUT 34.5 dBm
TCASE = +25 °C
— –81 –76 dBm
At 1805 to 1880 MHz
RBW = 100 kHz
VCC = 3.5 V
6.5 dBm POUT 34.5 dBm
TCASE = +25 °C
— –106 –84
fO
— –12
0
2fO
Measured at the DCS/PCS output,
–15 dBm POUT 34.5 dBm
— –30 –20 dBm
3fO — –30 –20
PCDR — 30 50 — dB
POUT +14.5 to +34.5 dBm, +25 °C
–0.8 — +0.8
PCV dB
POUT +14.5 to +34.5 dBm
–1.5 — +1.4
POUT +6.5 to +12.5 dBm, +25 °C
–1.2 — +1.2
PCV dB
POUT +6.5 to +12.5 dBm
–2.0 — +2.0
PCS 6.5 to 34.5 dBm
2 — 300 dB/V
BCL VAPC = 1.0 V
— 700 — kHz
PM VAPC = 1.0 V
50 65 — deg.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
103123C • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • January 7, 2004
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