U2761B Datasheet, PDF (3/11 Pages) TEMIC Semiconductors – DECT RF / IF IC

U2761B
Absolute Maximum Ratings
All voltages are referred to GND (Pins 5, 8 and 22)
Á ^{Supply voltage}
Junction temperature
ÁÁÁ Parameters
Pins 10 and 19
ÁSymbol
V_S
ÁValue
6
ÁUnit
V
T_j
150
°C
Storage temperature
T_stg
–40 to +125
°C
Thermal Resistance
Junction ambient
Parameters
Symbol
R_thJA
Value
130
Unit
K/W
Operating Range
All voltages are referred to GND (Pins 5, 8 and 22)
Supply voltage
ÁÁÁ Parameters
Pins 10 and 19
Ambient temperature
Á Á ^{Symbol Min}
V_S
2.7
Typ
3.0
ÁMax
5.5
Unit
V
T_amb
–25
+25
+85
°C
Electrical Characteristics
Test conditions: V_S = 3.0 V, T_amb = 25°C, unless otherwise specified
Parameters
ÁÁÁ _{Power supply}
Á Total supply current
Á ÁÁ ÁÁ Á ^{Test Conditions / Pins Symbol Min}
Á^Typ.
Á^Max
Unit
TX
30
mA
ÁÁ ^{IR mixer}
Image-rejection ratio
ÁÁÁÁÁÁÁÁÁ ^RX
RX (RSSI only)
Standby PU = GND
Pins 6, 7, 17 and 18
Pins 17 and 18
I_S
IRR
50
47
1
10
ÁÁ^mA
mA
mA
20
dB
DSB noise figure
Conversion gain
ÁÁÁÁ _{Output interception point}
ÁÁÁÁÁÁ _{Input impedance}
Á ÁÁ Input matching
Pins 17 and 18
Á ÁÁ _{W Rload = 200}
ÁÁÁÁ Á _{Pins 17 and 18}
Á _{Pins 6 and 7}
NFDSB=
NFSSB
G_conv
OIP3
Z_in
Pins 6 and 7 VSWR_in
10
12
10
50
<2:1
dB
ÁÁÁ^dB
dBm
W
LO switch and TX driver
Power gain (high)
ÁÁÁÁÁ _{Input impedance}
ÁÁÁÁ _{Input matching}
ÁÁÁÁ _{Isolation LO-TX}
Pin 9, 20 and 21
@ P_in = 40 dBm
G_p
Á ÁÁ _{Pin 20 or Pin 21 to GND}
Z_in
ÁÁÁÁÁÁ Á _{Pins 20 and 21 VSWRin}
ÁÁ ÁÁ _{RX mode: LO Pin 20 or}
Pin 21 to Pin 9
Isol
30
50
<2 1
37
dB
ÁÁ_W
dB
Output impedance
Maximum output power
ÁÁÁÁÁÁÁÁÁÁ _{Gain compression}
ÁÁÁÁ ÁÁÁÁ ^{ÁÁÁ @ TX RF_OUT}
Pin 9
Pin 9
Pin 9
Z_out
P_max
P_1dB
100
3
1
W
dBm
ÁÁ_dBm
Output interception point
Pin 9 OIP3
10
dBm
TEMIC Semiconductor
3 (11)
Rev. A4, 10-Mar-98
Preliminary Information