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参数资料
| 型号： | XR2211ACD-F |
| 厂商： | Exar Corporation |
| 文件页数： | 20/24页 |
| 文件大小： | 0K |
| 描述： | IC FSK DEMOD/TONE DECOD 14SOIC |
| 标准包装： | 56 |
| 功能： | FSK 解调器，音频解码器 |
| 电源电压： | 4.5 V ~ 20 V |
| 电流 - 电源： | 5mA |
| 功率（瓦特）： | 900mW |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 管件 |
| 包括： | 载波检测 |
| 其它名称： | 1016-1308-5 |
XR-2211A
5
Rev. 1.04
DC ELECTRICAL CHARACTERISTICS (CONT’D)
Test Conditions: VCC = 12V, TA = +25°C, RO = 30KW, CO = 0.033mF, unless otherwise specified.
Parameter
Min.
Typ.
Max.
Unit
Conditions
Voltage Comparator Section
Input Impedance
2
M
W
Measured at Pins 3 and 8
Input Bias Current
100
nA
Voltage Gain
55
70
dB
RL = 5.1KW
Output Voltage Low
300
500
mV
IC = 3mA
Output Leakage Current
0.01
10
mA
VO = 20V
Internal Reference
Voltage Level
4.75
5.3
5.85
V
Measured at Pin 10
Output Impedance
100
W
AC Small Signal
Maximum Source Current
80
mA
Notes
Parameters are guaranteed over the recommended operating conditions, but are not 100% tested in production.
Bold face parameters are covered by production test and guaranteed over operating temperature range.
Specifications are subject to change without notice
ABSOLUTE MAXIMUM RATINGS
Power Supply
20V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Signal Level
3V rms
. . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation
900mW
. . . . . . . . . . . . . . . . . . . . . . .
Plastic Package
800mW
. . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above TA = 25°C
6mW/
°C
. . . . . . . . .
JEDEC SOIC
390mW
. . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above TA = 25°C
5mW/
°C
. . . . . . . . . .
SYSTEM DESCRIPTION
The main PLL within the XR-2211A is constructed from an
input preamplifier, analog multiplier used as a phase
detector and a precision voltage controlled oscillator
(VCO). The preamplifier is used as a limiter such that
input signals above typically 10mV rms are amplified to a
constant high level signal. The multiplying-type phase
detector acts as a digital exclusive or gate. Its output
(unfiltered) produces sum and difference frequencies of
the input and the VCO output.
The VCO is actually a
current controlled oscillator with its normal input current
(fO) set by a resistor (R0) to ground and its driving current
with a resistor (R1) from the phase detector.
The output of the phase detector produces sum and
difference of the input and the VCO frequencies
(internally connected). When in lock, these frequencies
are fIN+ fVCO (2 times fIN when in lock) and fIN - fVCO (0Hz
when lock). By adding a capacitor to the phase detector
output, the 2 times fIN component is reduced, leaving a
DC voltage that represents the phase difference between
the two frequencies. This closes the loop and allows the
VCO to track the input frequency.
The FSK comparator is used to determine if the VCO is
driven above or below the center frequency (FSK
comparator).
This will produce both active high and
active low outputs to indicate when the main PLL is in lock
(quadrature
phase
detector
and
lock
detector
comparator).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR2211ACDTR-F | 功能描述:VCO振荡器 RoHS:否 制造商:Exar 封装 / 箱体:SOIC-14 频率:300 kHz 负载电容: 封装:Reel 电源电压:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作温度:0 C 最大工作温度:+ 70 C |
| XR2211ACP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:IC-FSK DEMODULATOR |
| XR-2211ACP | 制造商:EXAR 制造商全称:EXAR 功能描述:FSK Demodulator/ Tone Decoder |
| XR2211ACP-F | 功能描述:VCO振荡器 4.5V-20V 5mA temp 0C to 70C RoHS:否 制造商:Exar 封装 / 箱体:SOIC-14 频率:300 kHz 负载电容: 封装:Reel 电源电压:4.5 V to 20 V 尺寸:4 mm W x 8.75 mm L x 1.75 mm H 最小工作温度:0 C 最大工作温度:+ 70 C |
| XR2211ACP-F | 制造商:Exar Corporation 功能描述:IC DEMODULATOR/DECODER FSK 2211 |
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