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參數(shù)資料
| 型號： | RX3400 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Power ASK Receiver IC |
| 中文描述： | 低功率ASK接收芯片 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大小： | 87K |
| 代理商： | RX3400 |
RX3400
the wireless IC company
Page 5
March 2001
Electrical Characteristics
(V
CC
= 4.75 to 7.0 V, V
SS1
= V
SS2
= 0 V, T
A
= –40 to 85 °C unless otherwise noted)
Parameter
Symbol
Condition
Value
Unit
min.
typ.
max.
Current consumption
I
CC,total
V
CC
= 5 V
2.4
3.0
mA
Current consumption (PLL off)
I
CC,noPLL
V
CC
= 5 V; V
PD
= 0 V
1.8
2.4
mA
Sensitivity
a
a. Sensitivity is defined as the minimum average signal level measured at the input which is necessary to
achieve a bit error rate of 0.01 when the input signal is a return-to-zero (RZ) pulse with an average duty
cycle of 50%. The RF input is assumed to be matched to 50 ohms.
b. Signal handling is defined as the maximum input signal capable of being successfully demodulated. It
is assumed that the input signal is ASK modulated with a minimum extinction ratio of 40 dB. The RF
input is assumed to be matched to 50 ohms.
c. Adjacent channel rejection is defined for an interfering tone
α
ACR
[dB] above the receiving threshold
and 10 MHz offset from the carrier giving a 3 dB reduction in sensitivity.
α
SENS
f
RFIN
= 434 MHz; 2 KB/s
–103
–100
dBm
Signal handling
b
α
SH
f
RFIN
= 434 MHz; 2 KB/s
-30
dBm
Integrated IF filter –3-dB low pass cutoff
frequency
f
IF,–3dB
450
550
750
KHz
Adjacent channel rejection
c
α
ACR
65
dB
Peak detector source current
I
peak
500
μ
A
Peak detector leakage current
I
leak
250
nA
Charge pump source/sink current
I
CP
±30
μ
A
PD logic HIGH input voltage
V
IH,PD
V
CC
–
0.5
V
CC
+
0.5
V
PD logic LOW input voltage
V
IL,PD
V
SS2
–
0.5
V
SS2
+
0.5
V
ASKOUT logic HIGH output voltage
V
OH,ASKOUT
I
load
= 10
μ
A
0.7 ×
V
CC
V
ASKOUT logic LOW output voltage
V
OL,ASKOUT
I
load
= 10
μ
A
0.3 ×
V
CC
V
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