
10-46
RF2670
Rev A4 010820
10
Absolute Maximum Ratings
Parameter
Ratings
Unit
Supply Voltage
-0.5 to +3.6
VDC
Control Voltages
-0.5 to +3.6
VDC
Input RF Level
+20
dBm
Operating Ambient Temperature
-40 to +85
°C
Storage Temperature
-40 to +150
°C
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Baseband Amplifiers
T=25°C, VCC=3.0V
Frequency Range
0.01
8
MHz
Minimum frequency is dependent upon input
blocking cap, DC feedback cap, and gain
setting. Recommended components yields a
minimum frequency of less than 10kHz.
Voltage Gain
77
80
83
dB
Noise Figure
5
dB
At maximum gain setting
35
dB
At minimum gain setting
Input IP3
-65
dBm
At maximum gain setting
+2
dBm
At minimum gain setting
Output DC offset
0
25
mV
Gain Control Range
65
70
dB
Gain Control Voltage Range
1.2
2.0
V
Gain Control Sensitivity
-0.08
dB/mV
VGA Output Voltage
500
mVPP
VGA DC Output Voltage
1.7
V
Output P1dB
1
1.64
VPP
Driving a 5k
Ω load
RSSI Range
55
60
dB
At maximum gain setting
RSSI Output Voltage Compli-
ance
0.5 to 2.4
V
Maximum RSSI is 2.5V or VCC-0.3, which-
ever is less.
Input Impedance
1.5
2
2.5
k
Ω
Differential
Integrated Filters
Characteristics
Five pole Bessel
Five pole Bessel internal LPF.
Three pole external LPF.
Bandwidth
1, 2, 4, 8
MHz
Selectable from 1MHz, 2MHz, 4MHz, and
8MHz.
Passband Ripple
1
dB
Group Delay
100
ns
At 8MHz, increasing as bandwidth
decreases.
Ultimate Rejection
50
80
dB
Data Amplifiers
Voltage Gain
100
dB
Bandwidth
8
MHz
Rise and Fall Time
2
5
ns
5pF Load
Logic High Output
VCC-0.3V
V
Can sink/source 1mA and maintain these
logic levels.
Logic Low Output
0.3
V
Can sink/source 1mA and maintain these
logic levels.
Hysteresis
40
mV
Power Down Control
Logical Controls “ON”
VCC-0.3V
V
Voltage supplied to the input
Logical Controls “OFF”
0.3
V
Voltage supplied to the input
Control Input Impedance
>1
M
Ω
Turn on Time
10
13
ms
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).