ENHANCED-1 CHIP CT0 RF IC
S1T8528
INTRODUCTION
S1T8528 is a 1 CHIP RF IC which can be used in high performance
CTO CLP systems at max. 60MHz. S1T8528 is designed to include a
receiver, PLL and COMPANDER to minimize PCB space
requirements. Improved RX characteristics such as inter-modulation,
spurious response and adjacent channel interface have been
included to satisfy the universal standards.
The 1 CHIP RF IC has considerably reduced the cost by including a
build-in 1鈥檚t mixer, low battery detector, fMCU, RSSI, RF regulator
and speaker amp. Also, it fulfills carrier detector threshold control,
speaker volume control, operating mode selection and MUTE function
using S/W, thus making external application easier.
48鈭扱FP鈭?010E
FEATURES
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Operating voltage range: 2.0V ~ 5.5V
Typical supply current: 8.9mA at 3.6V
Built-in low battery detection function ( selectable 3.45V, 3.3V, 3.0V, 2.2V, 2.1V )
Built-in speaker volume control and speaker amplifier
Built-in splatter filter
Support mode selection ( Active, Rx, Standby and Inactive mode )
FM Receiver
鈥?Excellent Receiver characteristics
< 10.7MHz crystal filter used >
Input sensitivity
0.7碌Vrms at 12dB
SINAD
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Adjacent channel
rejection
> 55dB
Spurious rejection
(image of the second IF)
> 60dB
Intermodulation
rejection
> 50dB
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鈥?RSSI ( Linear ) and Carrier detector output ( Digital ) function
Compander
鈥?Easy gain control and application using external component
鈥?-Included ALC (Automatic Level Control) circuit
Universal PLL
鈥?RX (TX) divided counter range : 1/16 ~ 1/16383
鈥?Reference frequency divided counter range : 1/16 ~ 1/4095
鈥?Lock detector signal output
鈥?Serial interface with MICOM for controlling each block
鈥?Clock Output for MICOM oscillator substitution. ( X-tal divided clock by 2, 3, 4 and 5 )
ORDERING INFORMATION
Device
+ S1T8528X01-Q0R0
+ : New product
Package
48鈭扱FP鈭?010E
Operating Temperature
鈭?0C
to + 70C
1
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