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參數資料
| 型號： | MAX2150ETI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 16-Bit Buffers/Drivers With 3-State Outputs 48-SSOP -40 to 85 |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC28 |
| 封裝： | 5 X 5 MM, 0.90 MM HEIGHT, QFN-28 |
| 文件頁數： | 8/16頁 |
| 文件大?。?/td> | 357K |
| 代理商： | MAX2150ETI |
M
Wideband I/Q Modulator with Sigma-Delta
Fractional-N Synthesizer
8
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
TXEN
Modulator Enable Input. Set TXEN low to inhibit the RF and modulator circuits. This mode can be used
for quiet frequency synthesis.
2
VCC_PA
Supply Voltage Input for RFOUT Output Driver Circuits. Bypass as close to the pin as possible. The
bypass capacitor should not share ground vias with other branches.
3
RFOUT
Modulator RF Output. This is a wideband, internally matched 50
output. A DC-blocking capacitor is
required.
4, 5
6
N.C.
LOCK
Do Not Connect. (These pins must be left floating.)
Lock Status of the PLL. A static logic-level high indicates that the PLL is in the locked condition.
7
VCC_SD
Supply Voltage Input for Sigma-Delta Modulator Circuits. Bypass as close to the pin as possible. The
bypass capacitor should not share ground vias with other branches.
8, 9, 10
CLK, DATA,
EN
Input Pins from 3-Wire Serial Bus. An RC lowpass filter on each of these pins can be used to reduce
digital noise.
11
SHDN
Shutdown Control. Set
SHDN
low to disable all internal circuits for lowest power consumption. An RC
lowpass filter can be used to reduce digital noise.
12
SYNEN
Synthesizer Enable Input. Set SYNTH low to disable the internal frequency synthesizer. An RC lowpass
filter can be used to reduce digital noise.
13
OSCIN
Reference Oscillator Input. Connect a parallel, resonant, fundamental-tone crystal between this pin and
ground to facilitate a crystal oscillator circuit. For applications with an external reference oscillator, the
OSCIN input can be driven through a large-value series capacitor.
14
VCC_XTAL
Supply Voltage Input for Crystal Oscillator. Bypass as close to the pin as possible. The bypass capacitor
should not share ground vias with other branches.
15
VCC_CHP
Supply Voltage Input for Charge Pump. Bypass as close to the pin as possible. The bypass capacitor
should not share ground vias with other branches.
16
CHP
High-Impedance Charge-Pump Output. Connect to the tune input of the VCO through the PLL loop filter.
Keep the line from this pin to the tune input as short as possible to prevent spurious pickup, and
connect the loop filter as close to the tune input as possible.
17
VCC_A
Supply Voltage Input for PLL. Bypass as close to the pin as possible. The bypass capacitor should not
share ground vias with other branches.
18
VCC_D
Supply Voltage Input for PLL. Bypass as close to the pin as possible. The bypass capacitor should not
share ground vias with other branches.
19
VCC_LO
Supply Voltage Input for Internal LO Circuits. Bypass as close to the pin as possible. The bypass
capacitor should not share ground vias with other branches.
20, 21
LO-, LO+
Differential Local-Oscillator Input. These inputs require DC-blocking capacitors. The LO can be applied
with a single-ended input to the LO+/LO- pin. In this mode, the other pin should be AC-grounded.
22
BUFOUT
Buffered LO Output. Internally matched to 50
, requires a DC-blocking capacitor.
23
BUFEN
LO Output Buffer Amplifier Enable. Set BUFEN high to enable the on-chip output LO buffer for driving
external circuits. An RC lowpass filter can be used to reduce digital noise.
24, 25
Q-, Q+
Differential Q-Channel Baseband Inputs to the Modulator. These pins connect directly to the bases of
a differential pair and require an external common-mode bias voltage of 1.6V.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX2150ETI+ | 功能描述:調節(jié)器/解調器 I/Q Mod w/Sig Delt Fractional-N Synth RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| MAX2150ETI+T | 功能描述:調節(jié)器/解調器 I/Q Mod w/Sig Delt Fractional-N Synth RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| MAX2150ETI-D | 制造商:Maxim Integrated Products 功能描述:WIDEBAND I/Q MODULATOR WITH SIGMA-DELTA FRACT - Rail/Tube |
| MAX2150ETI-T | 功能描述:調節(jié)器/解調器 RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| MAX2150EVKIT | 制造商:Maxim Integrated Products 功能描述:WIDEBAND I/Q MODULATOR WITH SIGMA-DELTA FRACT - Bulk |
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