U2761B Datasheet, PDF (4/11 Pages) TEMIC Semiconductors – DECT RF / IF IC

U2761B
Electrical Characteristics (continued)
Test conditions: V_S = 3.0 V, T_amb = 25°C, unless otherwise specified
Parameters
ÁÁÁ _{IF amplifier}
ÁÁÁ _{Input impedance}
ÁÁÁÁ _{Lower cut-off frequency}
ÁÁÁ ^{Upper cut-off frequency}
Power gain
Test Conditions / Pins
ÁÁÁÁÁ _{Pins 3, 4, 11 and 12}
Á ÁÁÁÁÁ _{Pins 11 and 12}
ÁÁ ^Symbol
Z_in
Á^fl3dB
fu_3dB
Á^Min.
200
G_p
Bandwidth of external tank
circuit
ÁÁÁ ^{Noise figure}
RSSI
Pins 3 and 4
Pins 1, 6 and 7
BW_3dB
NF
ÁÁÁÁÁÁÁÁÁ ^{RSSI sensitivity}
RSSI compression
RSSI dynamic range
RSSI resolution
RSSI rise time
RSSI fall time
Quiescent output current
Max. output current
ÁÁÁÁ ^{FM demodulator}
Co-channel rejection ratio
Sensitivity
ÁÁÁ At IF_IN1, IF_IN2
Pins 6 and 7
Slope of the RSSI has to be
steady
m P_in = 30 dB V to
m 100 dB V
Pin 1
ÁÁÁ Á _{m Pin = 100 dB V to}
m 30 dB V
Pin 1
ÁÁ _{m @ Pin < 20 dB V at}
IF_IN1, IF_IN2 Pin 1
ÁÁÁÁÁÁÁÁÁÁ ^{m @ Pin = 100 dB V at}
IF IN1 IF IN2 Pin 1
Pins 23, 24 and 25
ÁÁ ^{@ Pin = –75 dBm at}
IR-mixer input
Quality factor of external
tank circuit approx. 20
ÁÁ^Pmin
P_max
DR
Acc
t_r
t_f
I_out
Á^Iout
CCRR
S
ÁÁÁÁÁ _Á ^{Amplitude of recovered}
signal
Output-voltage DC range
Output impedance
ÁÁÁÁ _{Á ÁÁ} ^{Nominal deviation of}
signal ±288 kHz
A
Pin 25 FMout_DC
Pin 25 Z_out
04
AM rejection ratio
Pin 25 AMRR
OpAmp
Pins 26, 27 and 28
Power gain bandwidth
Excess phase
PGBW
W R_load = 1 k , C_load = 15 pF
d
Input offset voltage
Open loop gain
Pins 26 and 27 V_offs
g
Output voltage range
Common mode input
voltage
Pin 28 V_out
0.3
Pins 26 and 27 V_in
0.3
Common mode rejection
ratio
Pin 28 CMRR
Total harmonic distortion
Pin 28 THD
Á^Typ.
Á^Max
Á^Unit
90
Á⁴⁰⁰
Á^W
MHz
Á130
85
Á^MHz
dB
10
MHz
9
dB
ÁÁ²⁰
100
80
ÁÁ^dBmV
dBmV
dB
±2
dB
1
Á^ms
1
ms
30
mA
150
Á^mA
10
dB
0.5
V/MHz
288
mVss
13
V_S – 0 4
V
kW
tbd
dB
10
MHz
80
°
±1
mV
70
dB
V_S – 0.3
V
V_S – 0.3
V
tbd
dB
tbd
%
4 (11)
TEMIC Semiconductor
Preliminary Information
Rev. A4, 10-Mar-98