U2730B-N Datasheet, PDF (9/17 Pages) ATMEL Corporation – L-band Down-converter for DAB Receivers

U2730B-N
Electrical Characteristics (Continued)
Operating conditions: V_CC = 8.5 V, T_amb = 25°C, see application circuit (Figure 8), unless otherwise specified
No. Parameters
Test Conditions
Pin
Symbol Min.
Typ.
Max. Unit Type*
DSB noise figure
(50-W system)
Maximum gain
Minimum gain
NF
10
30
dB
dB
D
RF Input
26
Frequency range
Maximum input power
Input impedance
IF Output
dim3 ³ 20 dB
f_in,RF
1400
1550 MHz C
p_in,max,RF
-6
dBm C
Z_in,RF
200 || 1
W || pF D
19
Frequency range
Output impedance
Voltage standing wave ratio
Gain Control
f_out,IF
150
250 MHz C
Z_out,IF
50
W
D
VSWR_IF
2.0
D
Threshold adjustment
Charge pump current
Minimum gain control
voltage
External resistor
p_RF = -10 dBm
V_AGC = 3.5 V
p_RF = -60 dBm
V_AGC = 3.5 V
p_RF = -10 dBm
17
R_TH
100
kW
D
18
I_CP,P
75
100
125
µA
A
I_CP,N
-125
-100
-75
µA
A
18
V_AGCmin
0.1
0.6
V
A
Maximum gain control
voltage
p_RF = -60 dBm
18
V_AGCmax
5.5
5.75
V
A
VCO
5
Frequency
Phase noise
Minimum input power
Maximum input power
1 kHz distance
VCO over-driven, see
“Application Circuit”
(Figure 8)
f_LO
L_1kHz
p_LO,MIN
p_LO,MAX
1000 1261.568 1500 MHz
-75
dBc/Hz C
-11
dBm C
-5
dBm C
Frequency Synthesizer
RF divide factor
SF
2464
A
SI1 = GND, SI2 = GND
48
SI1 = GND, SI2 = VCC
33
SI1 = GND, SI2 = open
36
SI1 = VCC, SI2 = GND
49
Reference divide factor
SI1 = VCC, SI2 = VCC
SF_ref
32
A
SI1 = VCC, SI2 = open
35
SI1 = open, SI2 = GND
64
SI1 = open, SI2 = VCC
63
SI1 = open, SI2 = open
65
Input frequency range
f_ref
5
50
MHz
C
Input sensitivity
15
V_refs
30
mV_rms
C
Maximum input signal
15
V_refmax
300
mV_rms
C
Input impedance
Single-ended
Z_ref
2.7k || 2.5
kW || pF D
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
9
4719A–DAB–05/03