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參數(shù)資料
| 型號： | RF2670 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡 |
| 英文描述： | 8MHZ DUAL BASEBAND AGC WITH PROGRAMMABLE LOW PASS FILTERING |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO24 |
| 封裝： | SSOP-24 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 204K |
| 代理商： | RF2670 |
10-46
RF2670
Rev A4 010820
10
I
Absolute Maximum Ratings
Parameter
Supply Voltage
Control Voltages
Input RF Level
Operating Ambient Temperature
Storage Temperature
Ratings
-0.5 to +3.6
-0.5 to +3.6
+20
-40 to +85
-40 to +150
Unit
V
DC
V
DC
dBm
°C
°C
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
Baseband Amplifiers
Frequency Range
T=25°C, V
CC
=3.0V
Minimum frequency is dependent upon input
blocking cap, DC feedback cap, and gain
setting. Recommended components yields a
minimum frequency of less than 10kHz.
0.01
8
MHz
Voltage Gain
Noise Figure
77
80
5
35
-65
+2
0
70
83
dB
dB
dB
dBm
dBm
mV
dB
V
dB/mV
mV
PP
V
V
PP
dB
V
At maximum gain setting
At minimum gain setting
At maximum gain setting
At minimum gain setting
Input IP3
Output DC offset
Gain Control Range
Gain Control Voltage Range
Gain Control Sensitivity
VGA Output Voltage
VGA DC Output Voltage
Output P1dB
RSSI Range
RSSI Output Voltage Compli-
ance
Input Impedance
Integrated Filters
Characteristics
25
65
1.2
2.0
-0.08
500
1.7
1.64
60
0.5 to 2.4
1
55
Driving a 5k
load
At maximum gain setting
Maximum RSSI is 2.5V or V
CC
-0.3, which-
ever is less.
Differential
1.5
2
2.5
k
Five pole Bessel
Five pole Bessel internal LPF.
Three pole external LPF.
Selectable from 1MHz, 2MHz, 4MHz, and
8MHz.
Bandwidth
1, 2, 4, 8
MHz
Passband Ripple
Group Delay
1
dB
ns
100
At 8MHz, increasing as bandwidth
decreases.
Ultimate Rejection
Data Amplifiers
Voltage Gain
Bandwidth
Rise and Fall Time
Logic High Output
50
80
dB
100
dB
MHz
ns
V
8
2
5
5pF Load
Can sink/source 1mA and maintain these
logic levels.
Can sink/source 1mA and maintain these
logic levels.
V
CC
-0.3V
Logic Low Output
0.3
V
Hysteresis
Power Down Control
Logical Controls “ON”
Logical Controls “OFF”
Control Input Impedance
Turn on Time
40
mV
V
CC
-0.3V
V
V
Voltage supplied to the input
Voltage supplied to the input
0.3
>1
10
M
ms
13
With recommended DC feedback cap
(270nF)
Caution!
ESD sensitive device.
RF Micro Devices believes the furnished information is correct and accurate
at the time of this printing. However, RF Micro Devices reserves the right to
make changes to its products without notice. RF Micro Devices does not
assume responsibility for the use of the described product(s).
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