TD7623AFNG

The TD7623AFNG is designed as one kind of 3-wire and system, 2.3 GHz direct two modulus-type frequency synthesizer device that has some points of features:(1)Direct two modulus-type frequency synthesizer; (2)Standard I2C bus format control with built-in read mode; (3)3-wire bus 27-bit format control; (4)4-bit bandswitch drive transistor; (5)5-level A / D converter (when I2C bus selected); (6)Frequency step: 50 kHz, 62.5 kHz, 250 kHz and 333.3 kHz(at 4 MHz X'tal used); (7)Phase lock detector; (8)Various function settings via program data; (9)Four address settings via address selector; (10)Power on reset circuit; (11)Flat, compact package: SSOP16 (0.65 mm pitch). The absolute maximum ratings of the TD7623AFNG can be summarized as:(1)Supply Voltage 1: 6.0 V;(2)Power Dissipation: 560 mW;(3)Operating Temperature: -20 to 85 °C;(4)Storage Temperature: -55 to 150 °C.

The electrical characteristics of this device can be summarized as:(1)Bandswitch Drive Current: 20 mA;(2)Bandswitch Drive Maximum LOAD: 40 mA;(3)Bandswitch Drive Voltage Drop: 0.2 to 0.4 V;(4)X'tal Operating Range: 3.2 to 4.5 MHz;(5)X'tal Negative Resistance: 1.0 to 1.5 k;(6)X'tal External Input Level: 250 to 1000 mVp-p.etc. If you want to know more information about the TD7623AFNG, please download the datasheet in www.seekic.com or www.chinaicmart.com .