AN6884 PANASONIC | Alldatasheet
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Technical content
@ Description Unit. mm The AN6884 is a monolithic integrated circuit driving 5- LED and is capable of logarithmic (dB) bar graph display 60 | 60 for input signal. Incorporating high gain rectification amp. enable to apply AC (UV meter, etc.) / DC (signal meter, 3 etc.) level meter widely. = a — 8 a a @ Features = 2% @ Wide range of operating voltage: Py es oe — Veciope) = 3.5V ~ 16V ahi @ Constant current output: ILep =15mA. . = @ Built-in high gain amp.: Gy = 26dB typ. ass @ Low noise when LED ON aay @ 5-dot LED bar logarithmic response: -10, -5, 0, 3, 6dB @ Fewer extemal components 9-Lead SIL Plastic Package (9-SIP) @ Block Diagram ee Panasonic mm 6932852 0013699 320
@ Absolute Maximum Ratings (Ta=25°C) Tem ta LED Ouiput Pin Voltage Vec Vv So [ke | cumen supply Current - lec ; 12 mA LED Output Pin Current hanes 20 a mA Power Dissipation * Pp 1100 mW Operating Ambient Temperature 25 ~ +75 °C Storage Temperature “55 ~ +125 °C Operating Supply Voltage Range: Vcc = 3.5V ~ 16.0V *Under Ta > 25°C, reduce at -LImW/"C ® Electrical Characteristics (VCC=3V, Ta=25°C) Test ig, . = [om [a] em [om Input Bias Current | Ian Lo | HA ee _ Output Sink Current | Isist.2.3.48 1s mA Voltage Gain Gy 4 | Vas=0.1V, Rr = 10k 26 | 28 | dB GD; 5 | Pint [2 | 0 | -8 | aB copreneieet [To fs fms | wew [to] [a | GDs 5 | Pin4 35 | oB *Gp3 LED ON level adjusting point = OdB, equivalent to V>.s = 1.1V typ. (Vas = 57mV) @ Pin Pin No. Pin Name
1 LED 1 Output
2 LED 2 output
3 LED 3 Output
4 LED 4 Output
5 GND
6 LED 5 Output
7 AMP. Output , 8 ‘AMP. Input
9 Vec
M@! 6932852 0013700 972 a Panasonic
——— Test Circuit 1 (Icc) Test Circuit 2 (Ipiass) AN6884 AN6884 123 4 56789 123 4 5678 9 O s $s s4@2,, LL @ prover 10 10k 10k 10 10u 10k 470 10 Test Circuit 3 (Iisinky1, 2,3, 4,6) Test Circuit 4 (Gy) AN6884 AN6884 123 4 5678 9 123 4 56789 OVec = 6V @) @) + OR Vec=6V V250 Fs +| “ 2 @ Be ZZ 10p 10k 470 10 10 10k Vs. 10a av Test Circuit 5 (GD1-5) AN6884 123 4 5 678 9 O
4 Voc = 6V
hob b le ig 7 Ys 1, Note) Measure input voltage V7-5 of comparator that I}-I5 flow more than 11mA. a ssSSSSSSSSSSSSSSSSSSS— Panasonic M@ 6932852 0013701 405 a
@ Application Circuit OO-O-O-O)-O-O-O-©
22 OVec
10k: *h 10p. i Vin R In case of Ta(max) = 60°C In case of Ta(max.) = 75°C Ea [Tn-w | on | [on | os | [w-w | @ | Lew | os | [e-w | 2 | | p-is |_| Pp and Vcc When maximun ambient temperature Ta(max.) = 60°C, Vcc > 9V / Ta(max.) = 75°C, Voc > 7V, Pp is over at the application circuit above. Select R value from the right list. And determine R watt by resistance value and total current. @ Characteristics Curve OO OTT “OTT = if = wlll _. ECO] 2 SOS) BM gute Tg CEOS ae SUCHET) 2 SEES no oN Bo & So Zot NIT BVOC & SO et ENT SCT & SCC ees IN
6 SC & SC) es
8 SC 8 ST) 2 od
2 4 6 8 10 12 14 16 -40 -20 0 20 40 60 80 100 0 40 80 120 160 200 Supply Voltage Vcc (V) Ambient Temperature Ta (°C) Ambient Temperature Ta (“C) a M@™ 6932852 0013702 745 Panasonic