ta31275 TOSHIBA Semiconductor CORPORATION, ta31275 Datasheet - Page 6

• Manufacturer Part Number: ta31275
• Description: Am/fm Rf/if Detector Ic For Low Power Wireless System
• Manufacturer: TOSHIBA Semiconductor CORPORATION

6. Battery-Saving (BS) Function and Lo Switch LOBS Function
following selection.
FM Mode (FM/AM pin: L)
AM Mode (FM/AM pin: H)
The IC incorporates a battery-saving function and a Lo switch function. These function offer the
BS Pin/LOBS Pin
BS Pin/LOBS Pin
H/H
H/H
H/L
L/H
H/L
L/H
L/L
L/L
Circuits in operation:
×8 circuit only halted, Frequency set by External circuit can be
used as-is.
×8 circuit only in operation
All circuits
Circuits in operation:
×8 circuit only halted, Frequency set by External circuit can be
used as-is.
×8 circuit only in operation
All circuits
･×8 circuit
･Mixer
･RF amp
･Comparator
･IF amp
･Detector circuit
･RSSI
･Comparator capacitor charger circuit
･×8 circuit
･Mixer
･RF amp
･Comparator
･IF amp
･RSSI
･Comparator capacitor charger circuit
Circuit Status in the IC
Circuit Status in the IC
6
TA31275FN/ TA31275FNG
5.4 mA (typ.)
3.1 mA (typ.)
2.6 mA (typ.)
(at no signal)
2.6 mA (typ.)
(at no signal)
5.8 mA (typ.)
3.5 mA (typ.)
0 mA (typ.)
Dissipation
0 mA (typ.)
Dissipation
IC Current
IC Current
03-01-23