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TDA6405A 数据表(PDF) 7 Page - NXP Semiconductors |
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TDA6405A 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 32 page 1999 Jan 13 7 Philips Semiconductors Product specification 5 V mixer/oscillator-PLL synthesizers for hyperband tuners TDA6404; TDA6405; TDA6405A Table 1 I2C-bus mode, write data format for the TDA6404 and TDA6405 Table 2 I2C-bus mode, write data format for the TDA6405A I2C-bus address selection The module address contains programmable address bits (MA1 and MA0) which offer the possibility of having several synthesizers (up to 4) in one system by applying a specific voltage on the AS input. The relationship between MA1 and MA0 and the input voltage applied to the AS input is given in Table 4. Table 3 Description of symbols used in Tables 1 and 2 NAME BYTE BITS ACK MSB LSB Address byte ADB 11000 MA1 MA0 R/W=0 A Divider byte 1 DB1 0 N14 N13 N12 N11 N10 N9 N8 A Divider byte 2 DB2 N7 N6 N5 N4 N3 N2 N1 N0 A Control byte CB 1 CHP T2 T1 T0 RSA RSB OS A Band-switch byte BB XXXXX UHF VHFH VHFL A NAME BYTE BITS ACK MSB LSB Address byte ADB 11000 MA1 MA0 R/W=0 A Divider byte 1 DB1 0 N14 N13 N12 N11 N10 N9 N8 A Divider byte 2 DB2 N7 N6 N5 N4 N3 N2 N1 N0 A Control byte CB 1 CHP T2 T1 T0 RSA RSB OS A Band-switch byte BB XXXX UHF X VHFH VHFL A SYMBOL DESCRIPTION A acknowledge MA1 and MA0 programmable address bits (see Table 4) N14 to N0 programmable divider bits; N = N14 × 214 + N13 × 213 + ... + N1 × 21 +N0 CHP charge pump current bit: CHP = 0; ICP =60 µA CHP = 1; ICP = 280 µA (default) T2, T1 and T0 test bits (see Table 5) RSA and RSB reference divider ratio select bits (see Table 6) OS tuning amplifier control bit: OS = 0; normal operation; tuning voltage is ‘ON’ OS = 1; tuning voltage is ‘OFF’ (high-impedance) UHF, VHFH and VHFL PNP ports control bits: bit = 0; buffer n is ‘OFF’ (default) bit = 1; buffer n is ‘ON’ X don’t care bit: may be a logic 0 or a logic 1 |
类似零件编号 - TDA6405A |
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类似说明 - TDA6405A |
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