lc7153 Sanyo Semiconductor Corporation, lc7153 Datasheet
lc7153
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lc7153 Summary of contents
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... C B serial interface. They also have a standby mode for single PLL operation. The LC7153 and LC7153M operate from a 4.0 to 5.5V supply. The LC7153 is available in 24-pin DIPs, and the LC7153M, in 24-pin MFPs. Features • Dual charge pump and fast lock-up circuitry for rapid PLL locking. • ...
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... Pin Assignment Block Diagram LC7153, 7153M No.4160–2/11 ...
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... LC7153, 7153M ...
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... Notes 1. Dual PLL, both PLLA and PLLB operating, SB=0, f outputs open. 2. Standby mode, PLLB stopped, SB= the crystal impedance. Contact Nihon Denpa Kogyo for further information. LC7153, 7153M =4.0 to 5.5V ...
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... Note N=N for PLLA, and N for PLLB A B LC7153, 7153M ...
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... Mode 1 command format and functions The Mode 1 command comprises the data bits which de- termine the PLLA and PLLB programmable divider ratios. Figure 2. Mode 1 command (programmable divider data) LC7153, 7153M Figure 1. Dual charge-pump circuit increasing the LPF time constant and improving sideband and modulation response. ...
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... PLLs are unlocked. When HSM=1, operating mode 1 is selected and the fast lock-up operates normally, as shown in figure 4. LC7153, 7153M functions. The command format is shown in figure 3. Bit R0 is the first bit received. =8 (0008H) to 16383 R Figure 4 ...
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... Bit DZ is the dead-zone selection bit. It selects the phase- insensitive bandwidth, or dead zone, of the phase compara- tor. When DZ=1, DZB mode is selected, and when DZ=0, DZA mode. DZB mode has larger dead zone than DZA mode. LC7153, 7153M ...
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... Typical Application A LC7153 or LC7153M cordless telephone application cir- cuit is shown in figure 5. The telephone is tuned to channel Figure 5. American 10-channel, 46/49 MHz, cordless telephone base station For f = 5kHz, the divider ratios are as follows. ref f RX VCO 38.975MHz 5kHz ref ref f TX VCO 46 ...
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... LC7153, 7153M Figure 6. Mode 1 command ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of July, 2001. Specifications and information herein are subject to change without notice. LC7153, 7153M PS No.4160–11/11 ...