1293Q16-U THAT Corporation, 1293Q16-U Datasheet
1293Q16-U
Specifications of 1293Q16-U
Related parts for 1293Q16-U
1293Q16-U Summary of contents
Page 1
... THAT1293 -3 dB THAT1296 -6 dB Figure 1. Equivalent circuit THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Copyright © 2008, THAT Corporation APPLICATIONS • Balanced Audio Line Receivers • Instrumentation Amplifiers • Differential Amplifiers • ...
Page 2
... Absolute resistance values can vary ±30% from the typical values shown. Input impedance is monitored by lot sampling. 6. Defined with respect to differential gain. 7. Parameter guaranteed over the entire range of power supply and temperature. THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page ...
Page 3
... V IN(DIFF) In+ Common-mode Input In- ~ In+ V IN(CM) Figure 2. Simplified test circuit (1/2 of 129x shown) THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page Conditions R = 2kΩ 1290 (0dB gain) 1293 (-3dB gain) 1296 (-6dB gain 2kΩ ...
Page 4
... Figure 3. Representative input protection circuit THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page Theory of Operation 50 V below V protect the devices without constraining the allow- able signal swing at the input pins. The reference ...
Page 5
... Furthermore, the same constraints apply to v the differential analysis. Following the same reasoning as above, the maximum common-mode input signal for the 1290 is THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page ( and the minimum is (2V CC the 1293, these figures are (2 ...
Page 6
... Although the noise floor of 1296 is 1.5 dB lower than 1293 noise floor, the reduction in dynamic range 1 THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page 1.5 dB. The 1296 attenuates the input signal more than necessary to support a +24 dBu input ...
Page 7
... In+ Ref Figure line receiver THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page Applications Instrumentation Amplifier Application Figure 11 shows one half of a 1290 configured as an instrumentation amplifier. The two opamps preceding the 1290 buffer the input signal before However, their passing the 1290 ...
Page 8
... U2B V OP-270 EE Figure 11. Instrumentation amplifier THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page this signal down by 18.8 dB while attenuating the noise of the line receivers as well. In ADC applications such as this, noise is This usually a significant consideration ...
Page 9
... Ref 5 In+ 10n V- U1B 10 4 1293 V EE Control Voltage 2 6.2mV/dB Figure 13. Voltage-controlled gain control of a balanced signal THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page -18 In- Sense 15 R1 Vout 909R 3 Ref ...
Page 10
... JEDEC JESD22-A113-D (250 ºC) Above-referenced JEDEC soldering profile Gain 0 dB ±3 dB ± Copyright © 2008, THAT Corporation THAT 1290 Series Low Cost Dual Balanced Line Receivers Min Typ Max Units 16 Pin QSOP 115 ºC/W 1 Order Number 1290Q16-U 1293Q16-U 1296Q16-U Table 2. Ordering information ...