tda8042m NXP Semiconductors, tda8042m Datasheet - Page 6

• Manufacturer Part Number: tda8042m
• Description: Quadrature Demodulator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
1997 Apr 11
Supply
V
V
I
I
AGC
G
G
R
V
R
QPSK demodulator
f
R
X
V
F
d
CC
SYMBOL
CC1
CC2
i(RF)
I
3(IQ)
E
E
G
CC1
CC2
th
i(RF)
i(RF)
Quadrature demodulator
iVAGC
iVTH
i(RF)
CR
VAGC
det
G(I-Q)
tilt
= 5 V; T
(I-Q)
amb
supply voltage
supply voltage
supply current
supply current
gain control range
voltage gain control at pin 3
input resistance at pin 3
AGC threshold voltage
VTH input resistance
maximum AGC detector output current
(absolute value)
RF input signal frequency
RF input impedance (resistive part)
RF input impedance (reactive part)
operating RF input level
phase matching error between I and Q
channels
gain matching error between I and Q channels note 5
gain tilt error between I and Q channels
DSB noise figure
third-order intermodulation distortion in I and
Q channels
input level = V
input level = V
V
V
V
= 25 C; R
o
o
o
= 1.6 V (peak-to-peak value)
= 0.8 V (peak-to-peak value)
= 0.4 V (peak-to-peak value)
L(IQ)
PARAMETER
i(RF)min
i(RF)max
= 1 k ; measured in application circuit of Fig.4; unless otherwise specified.
6
V
V
note 1
note 2
note 3
f
f
note 1
note 4
note 6
source
impedance = 50 ;
note 7
note 8
i(RF)
i(RF)
CC1
CC1
CONDITIONS
= 480 MHz
= 480 MHz
= V
= V
CC2
CC2
= 5.0 V 41
= 5.0 V 13
4.75
4.75
21
0.5
3.5
350
57
MIN.
5.0
5.0
51
16.5
29
20
3.6
2.4
1.8
10
1
50
19
0.7
0.15
0.3
13
50
TYP.
Product specification
TDA8042M
5.25
5.25
61
20
2
4.5
650
78
2
0.8
0.5
17
MAX.
V
V
mA
mA
dB
V
V
k
V
V
V
k
mA
MHz
dB V
deg
dB
dB
dB
dB
UNIT