TA31275FN TOSHIBA [Toshiba Semiconductor], TA31275FN Datasheet - Page 12

• Manufacturer Part Number: TA31275FN
• Description: AM/FM RF/IF Detector IC for Low Power Wireless System
• Manufacturer: TOSHIBA [Toshiba Semiconductor]

FM Mode
dev = ±20 kHz, fmod = 600 Hz (single wave))
AM Mode
AM = 90%, fmod = 600 Hz (square wave))
Reference Characteristic Data
Reference Characteristic Data
Quiescent current consumption
(for FM)
Demodulated output level
Waveform shaping duty ratio
Quiescent current consumption
(for AM)
Reference characteristic data
IF amp input resistance
RF amp gain 2
RF amp input resistance
RF amp input capacitance
RF amp output capacitance
Mixer input resistance
Mixer input capacitance
Mixer output resistance
Mixer intercept point
*: These characteristic data values are listed just for reference purposes. They are not guaranteed values.
Limiting sensitivity
Signal-to-noise ratio 1
Signal-to-noise ratio 2
*: These characteristic data values are listed just for reference purposes. They are not guaranteed values.
(Ta = 25°C, V
Characteristics
Characteristics
Characteristics
Characteristics
(Ta = 25°C, V
CC
CC
= 5.0 V, fin (RF) = fin (MIX) = 314.9 MHz, fin (IF) = 10.7 MHz,
= 5.0 V, fin (RF) = fin (MIX) = 314.9 MHz, fin (IF) = 10.7 MHz,
R
C
R
C
R
C
G
R
(MIX)
Vi (LIM)
Symbol
Symbol
Symbol
Symbol
(RF)
I
DRam
I
*
DRfm
(MIX)
(MIX)
ccqam
v (RF) 2
S/N1
S/N2
ccqfm
(RF)
(RF)
Vod
(FM mode)
(IF) IN
IP3
OUT
OUT
IN
IN
IN
IN
Circuit
Circuit
Circuit
Circuit
1 (2)
1 (8)
Test
2 (1)
1 (2)
Test
2 (2)
Test
Test
1 (8)











*
12
BS/LOBS/FMAM = “H/H/L”
Fin (Lo) = 40.7 MHz
V
V
For single tone
BS/LOBS/FMAM = “H/H/H”
Fin (Lo) = 40.7 MHz
V
For single tone
IF input
V
V
in (IF)
in (IF)
in (IF)
in (IF)
in (IF)
= 80dBµVEMF
= 80dBµVEMF
= 80dBµVEMF
= 40dBµVEMF
= 80dBµVEMF
Test Condition
Test Condition
Test Condition
Test Condition
TA31275FN/ TA31275FNG









Min
Min
4.3
4.0
30
45
45
Typ.
Typ.
5.8
5.4
40
50
50
Typ.
Typ.
Max
Max
330
330
7.3
6.8
1.2
2.0
2.0
1.5
1.5
55
55
55
31
96
35
40
57
03-01-23
mVrms
dBµV
dBµV
EMF
Unit
Unit
Unit
Unit
mA
mA
dB
kΩ
pF
pF
kΩ
pF
dB
dB
%
%
Ω
Ω