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TDA6501TT 데이터시트(PDF) 8 Page - NXP Semiconductors |
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TDA6501TT 데이터시트(HTML) 8 Page - NXP Semiconductors |
8 / 37 page 9397 750 15057 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 02 — 14 June 2005 8 of 37 Philips Semiconductors TDA6500; TDA6501 5 V mixer/oscillator and synthesizer for PAL and NTSC standards The module address contains programmable address bits (MA1 and MA0) which offer the possibility of having up to 4 synthesizers in one system by applying a specific voltage on the AS input. Table 7 gives the relationship between the input voltage applied to the AS input and bits MA1 and MA0. [1] The ADC input cannot be used when these test modes are active; see Section 7.2.2 for more information. [1] The AGC detector is disabled. Both the sinking and sourcing currents from the IC are disabled. The AGC output goes into a high-impedance state and an external AGC source can be connected in parallel. [2] The AGC detector is disabled and the fast mode current source is enabled. Table 7: I2C-bus address selection Voltage applied to pin AS MA1 MA0 0 V to 0.1VCC 00 0.2VCC to 0.3VCC or open 0 1 0.4VCC to 0.6VCC 10 0.9VCC to VCC 11 Table 8: Test modes T2 T1 T0 Test modes 0 0 0 normal mode 0 0 1 normal mode; default mode at power-on reset 0 1 0 charge pump is off 0 1 1 control byte is followed by auxiliary byte AB instead of the band switch byte BB 1 1 0 charge pump is sinking current 1 1 1 charge pump is sourcing current 100 1 ⁄2fref is available on pin P6/ADC [1] 101 1 ⁄2fdiv is available on pin P6/ADC [1] Table 9: Reference divider ratio select RSA RSB Reference divider ratio 0080 01128 1164 1 0 forbidden Table 10: AGC take-over point AL2 AL1 AL0 Asymmetrical mode 0 0 0 115 dB µV 0 0 1 115 dB µV 0 1 0 112 dB µV; default mode at power-on reset 0 1 1 109 dB µV 1 0 0 106 dB µV 1 0 1 103 dB µV 110IAGC = 0 mA; external AGC [1] 1 1 1 3.5 V; disabled [1] |
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