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| 型号： | MAX2150ETI+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC MODULATOR I/Q WIDE 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 调制器 |
| LO 频率： | 700MHz ~ 2.3GHz |
| RF 频率： | 700MHz ~ 2.3GHz |
| P1dB： | 1dBm |
| 底噪： | -148dBm/Hz |
| 输出功率： | -1dBm |
| 电流 - 电源： | 46mA |
| 电源电压： | 2.7 V ~ 3.6 V |
| 测试频率： | 1.75GHz |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
19-2389; Rev 4; 6/08
Wideband I/Q Modulator with Sigma-Delta
Fractional-N Synthesizer
General Description
The MAX2150 is a complete wideband direct upconver-
sion quadrature modulator IC incorporating a 28-bit
sigma-delta fractional-N synthesizer. The device is tar-
geted for applications in the 700MHz to 2300MHz fre-
quency range.
The super-high-resolution sigma-delta fractional-N syn-
thesizer is capable of better than 50mHz resolution
when used with a 10MHz reference. Other features:
fully differential I/Q modulation inputs, an internal LO
buffer, and a 50 Ω wideband output driver amplifier.
A standard 3-wire interface is provided for synthesizer
programming and overall device configuration. An on-
chip low-noise crystal oscillator amplifier is also includ-
ed and can be configured as a buffer when an external
reference oscillator is used.
The device typically achieves 34dBc of carrier and side-
band suppression at a -1dBm output level. The wide-
band, internally matched RF output can also
be disabled while the synthesizer and 3-wire bus remain
powered up for continuous programming.
Features
? Single Voltage Supply (2.7V to 3.6V)
? 75MHz 3dB I/Q Input Bandwidth
? Wideband 50Ω RF Output: 700MHz to 2300MHz
? Ultra-Fine Frequency Resolution: 100mHz
? High Reference Frequency for Fast-Switching
Applications
? Ultra-Low Phase Noise
? Low Spurious and Reference Emissions
? -1dBm RMS Output Power
? 60dB RF Muting Control
? 34dBc Typical Carrier Suppression
? 34dBc Typical Sideband Suppression
? Software- and Hardware-Controlled Shutdown
Modes
Ordering Information
The device consumes 72mA from a single +3.0V sup-
ply and is packaged in an ultra-compact 28-pin QFN
package (5mm ? 5mm) with an exposed pad.
PART
MAX2150ETI
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
28 TQFN-EP*
Applications
MAX2150ETI+ -40°C to +85°C
*EP = Exposed paddle.
28 TQFN-EP*
Wireless Broadband
Satellite Uplink
LMDS
Wireless Base Station
+Denotes lead-free package.
Pin Configuration/
Functional Diagram
VCC_RF
I+
I-
Q+
Q-
BUFEN BUFOUT
28
27
26
25
24
23
22
TXEN
VCC_PA
1
2
21 LO+
20 LO-
RFOUT
N.C.
3
4
0
90
19 VCC_LO
18 VCC_D
N.C.
5
MAX2150
1/N
17 VCC_A
LOCK
VCC_SD
6
7
∑ Δ – MOD
PROGRAMMING
AND CONTROL
PFD
1/R
CHP
16 CHP
15 VCC_CHP
8
9
10
11
12
13
14
CLK
DATA
EN
SHDN
SYNEN OSCIN VCC_XTAL
QFN
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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