CND2050
0.5-11.5 GHz Divide by 4 Static Prescaler
GaAs Monolithic Microwave IC
Description
The CND2050 is a low power consumption
and very high speed divider by 4
manufactured with a 0.6µm GaAs self
aligned implanted MESFET process.
The design is full differential input/output
that allows direct drive into 50
Ω
load.
The CND2050 is available in SOIC8
package form .
UMS
CND2050
Main Features
Very broad operating frequency range
Low power dissipation: 250mW
Single supply operation:+ 5V or –5V
High input sensitivity:
-10dBm@10 GHz at 25°C
Low phase noise: -139dBc/Hz at 1KHz
SOIC8 plastic package
Main Characteristics
at Tamb= +25°C
Symbol
Vdd
Vss
Pdiss
Fmin
Fmax
Parameter
Bias supply (with Vss = 0)
Bias supply (with Vdd = 0)
Power dissipation
Minimum input frequency
Maximum input frequency (Vdd=5V)
10
12
Min
3.3
-6
90
Typ
5
-5
250
Max
6
-3.3
350
0.5
Unit
V
V
mW
GHz
GHz
ESD Protections: Electrostatic discharge sensitive device. Observe handling precautions!
Ref. : DSCND20500257 -13-Sep.-00
1/9
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France
Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CND2050
Electrical Characteristics (1)
0.5-10GHz frequency divider by 4
Guaranteed electrical specifications at +25°C
Tested under configuration described in Fig.1 and Fig.2
Vdd = 5V , Vss = 0 ; Pin = 0 dBm ; Zo = 50
Ω
Symbol
Fmin
Parameter
Minimum input frequency
(Differential or single input)
Fmax
Maximum input frequency
differential input
single input
Pout
Minimum output power
(Differential or single input)
-5
-2
dBm
10
9
12
11
GHz
GHz
0.5
GHz
Min
Typ
Max
Unit
Guaranteed electrical specifications at +25°C
Tested under configuration described in Fig.1
Differential inputs ; Vss = 0 ; Pin = 0 dBm ; Zo = 50
Ω
Symbol
Fmin
Parameter
Minimum input frequency
Vdd = 3.3 to 5 V
Fmax
Maximum input frequency
Vdd = 5V
Vdd = 3.3V
Pout
Minimum output power
Vdd = 5V
Vdd =3.3V
-5
-10
-2
-7
dBm
dBm
10
9
12
11
GHz
GHz
0.5
GHz
Min
Typ
Max
Unit
Ref. : DSCND20500257 -13-Sep.-00
2/9
Specifications subject to change without notice
United Monolithic Semiconductors S.A.S.
Route Départementale 128 - B.P.46 - 91401 Orsay Cedex France
Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
0.5-11.5 GHz Divide by 4 prescaler
Electrical Characteristics (2)
CND2050
Guaranteed electrical specifications over the temperature range of -40°C to +85°C
Tested under configuration described in Fig.1
Differential inputs ; Vss = 0 ; Pin = 0 dBm ; Zo = 50
Ω
Symbol
Fmin
Parameter
Minimum input frequency
Vdd = 3.3 to 5 V
Fmax
Maximum input frequency
Vdd = 5V
Vdd = 3.3V
Pout
Minimum output power
Vdd = 5V
Vdd =3.3V
-6
-11
-3
-8
dBm
dBm
9
8
11
10
GHz
GHz
0.5
GHz
Min
Typ
Max
Unit
Guaranteed electrical specifications over the temperature range of -40°C to +85°C
Single or differential inputs ; Vss = 0 ; Zo = 50
Ω
Symbol
Pin max
Parameter
Maximum operational input power
Vdd = 3.3 to 5 V
Idd
Supply current
Vdd= 5V
Vdd=3.3V
Hr
Harmonic rejection (ouput signal)
35
20
10
45
25
70
40
mA
mA
dBc
10
dBm
Min
Typ
Max
Unit
Ref. : DSCND20500257 -13-Sep.-00
3/9
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
CND2050
0.5-11.5 GHz Divide by 4 prescaler
Absolute Maximum Ratings
(1)
Tamb= 25°C
Symbol
Vdd
Pin
Top
Tstg
Drain voltage
Maximum input power (2)
Operating temperature range
Storage temperature range
Parameter
Values
7
15
-40 to +85
-65 to +175
Units
V
dBm
°C
°C
(1) Operation of this device above anyone of these parameters may cause permanent damage
(2) Duration <1s.
Typical Characteristics (1)
Typical input power versus frequency
20
Pin max
10
Vdd=3,3V
RECOMMENDED OPERATIONAL RANGE AT Vdd=5V
0
Vdd=5V
Pin (dBm)
-10
-20
-30
Pin min
-40
-50
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Frequency (GHz)
Tamb= 25°C, Zo=50
Ω
, Vdd=5V or 3.3V ; Vss = 0 ; differential inputs
Ref. : DSCND20500257 -13-Sep.-00
4/9
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
0.5-11.5 GHz Divide by 4 prescaler
CND2050
Typical Characteristics (2)
Typical input power versus frequency
5
0
-5
-10
Pin min (dBm)
-15
single input
-20
differential inputs
-25
-30
-35
-40
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Frequency (GHz)
Tamb= 25°C, Zo=50
Ω
, Vdd=5V ; Vss = 0 ; differential inputs or single input
20
max
10
- 40°C
+85°C
0
+25°C
Pin (dBm)
-10
-20
min
-30
-40
-50
0
1
2
3
4
5
6
7
Frequency (GHz)
8
9
10
11
12
13
14
Tamb= -40 to +85°C, Zo=50
Ω
, Vdd=5V ; Vss = 0 ; differential inputs
Ref. : DSCND20500257 -13-Sep.-00
5/9
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
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