SAB6456 Datasheet PDF | NXP Semiconductors

NXP Semiconductors SAB6456

The SAB6456/SAB6456T is a prescaler for UHF/VHF tuners. It can be switched to divide-by-64 or divide-by-256 by the mode-control (MC) pin. The circuit has an input frequency range of 70 MHz to 1 GHz, has high input sensitivity and good harmonic suppression.

Part No.	SAB6456
Datasheet	SAB6456 Download
Manufacturer	NXP Semiconductors
Description	Sensitive 1 GHz divide-by-64/divide-by-256 switchable prescaler
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GENERAL DESCRIPTION

SAB6456 SAB6456T Fig.1 Block diagram. QUICK REFERENCE DATA PARAMETER Supply voltage Supply current Input frequency range Sensitivity to input voltage (r.m.s. value) Output voltage (peak-to-peak value) Operating ambient temperature range PACKAGE OUTLINES SAB6456 : 8-lead DIL; plastic (SOT97); SOT97-1; 1996 November 18. SAB6456T: 8-lead mini-pack (SO8; SOT96A); SOT96-1; 1996 November 18. Tamb 0 − 80 °C pins 6 and 7 Vo(p-p) − 1 − V Vi(rms) − − 10 mV CONDITIONS pin 8 to pin 4 pin 8 pins 2 and 3 SYMBOL VCC ICC fi − 70 MIN. 4,5 TYP. 5,0 21 − − 1000 MAX. 5,5 V mA MHz UNIT June 1986 2 Philips Semiconductors Product speciﬁcation Sensitive 1 GHz divide-by-64/divide-by-256 switchable prescaler PINNING 1. 2. 3. 4. 5. 6. 7. 8. Fig.2 Pinning diagram. n.c. C1 C2 VEE MC QH QL VCC not connected SAB6456 SAB6456T differential inputs ground (0 V) mode control complementary outputs positive supply voltage FUNCTIONAL

DESCRIPTION

The circuit comprises an input amplifier, a divider stage with selectable division ratio and an output stage.