1/8 tda7233 may 2010 1 features ? operating voltage 1.8 to 15 v ? external mute or power down function ? improved supply voltage rejection ? low quiescent current ? high power capability ? low crossover distortion 2 description the tda7233/d is a monolithic integrated circuit in 8 pin minidip or so8 package, intended for use as class ab power amplifier with a wide range of supply voltage from 1.8v to 15v in portable play- ers, cordless telephon es and cellular radios. 1w audio amplifier with mute figure 2. pin connection rev. 4 fi gure 1. p ac k age table 1. order codes part number package tda7233 minidip tda7233d so8 minidip so8
tda7233 2/8 table 2. absolute maximum ratings figure 3. pin connections (top view) table 3. thermal data table 4. electrical characteristcs (v s = 6 v, t amb = 25 c, unless otherwise specified) symbol parameter value unit v s supply voltage 16 v p tot total power dissipation at t amb = 50 c 1 w i o output peak current 1 a t stg , t j storage and junction temperature -40 to 150 c symbol parameter so8 minidip unit r th j-amb thermal resistance junction-ambient max. 200 100 c/w symbol parameter test condition min. typ. max. unit v s supply voltage 1.8 15 v v o quiescent output voltage vs = 3 v vs = 9 v 2.7 1.2 4.2 v i d quiescent drain current mute high 3.6 9 ma mute low 0.4 ma i b input bias current 100 na p o output power d = 10%; f = 1khz vs = 12v; r l = 8 ? vs = 9v; r l = 4 ? vs = 9v; r l = 8 ? vs = 6v; r l = 8 ? vs = 6v; r l = 4 ? vs = 3v; r l = 4 ? vs = 3v; r l = 8 ? 1.9 1.6 1 0.4 0.7 110 70 w w w w w mw mw d distortion po = 0.5w; f = 1khz; r l = 8 ? vs = 9v 0.3 % gv closed loop voltage gain f = 1khz; 39 db r in input resistance f = 1khz; 100 k ? e n total input noise rs = 10k ?; b = curve a rs = 10k ?; b = 22hz to 22khz 2 3 v v svr supply voltage rejection f = 100hz; r g = 10k ? 45 db mute attenuation vo = 1v; f = 100hz to 10khz; 70 db mute threshold 0.6 v i m mute current vs = 15v 0.4 ma minidip so8
3/8 tda7233 figure 4. output power versus supply voltage figure 5. supply voltage rejection versus frequency figure 6. dc output voltage versus supply voltage figure 7. quiescent current versus supply voltage figure 8. total power dissipated versus supply voltage
tda7233 4/8 3 package mechanical data in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade defi- nitions and product status are available at: www.st.com . ecopack ? is an st trademark.
5/8 tda7233 figure 9. minidip mechanical data & package dimensions outline and mechanical data dim. mm inch min. typ. max. min. typ. max. a3.32 0.131 a1 0.51 0.020 b 1.15 1.65 0.045 0.065 b 0.356 0.55 0.014 0.022 b1 0.204 0.304 0.008 0.012 d 10.92 0.430 e 7.95 9.75 0.313 0.384 e2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 f 6.6 0.260 i 5.08 0.200 l 3.18 3.81 0.125 0.150 z 1.52 0.060 minidip
tda7233 6/8 figure 10. so8 mechanical data & package dimensions outline and mechanical data dim. mm inch min. typ. max. min. typ. max. a 1.750 0.0689 a1 0.100 0.250 0.0039 0.0098 a2 1.250 0.0492 b 0.280 0.480 0.0110 0.0189 c 0.170 0.230 0.0067 0.0091 d (1) 4.800 4.900 5.000 0.1890 0.1929 0.1969 e 5.800 6.000 6.200 0.2283 0.2362 0.2441 e1 (2) 3.800 3.900 4.000 0.1496 0.1535 0.1575 e 1.270 0.0500 h 0.250 0.500 0.0098 0.0197 l 0.400 1.270 0.0157 0.0500 l1 1.040 0.0409 k0?8?0?8? ccc 0.100 0.0039 notes: 1. dimensions d does not include mold flash, protrusions or gate burrs. mold flash, potrusions or gate burrs shall not exceed 0.15mm in total (both side). 2. dimension ?e1? does not include interlead flash or protrusions. interlead flash or protrusions shall not exceed 0.25mm per side. so-8 0016023 d
7/8 tda7233 4 revision history table 5. revision history date revision description of changes september 2003 3 no recorded changes 03-may-2010 4 updated title and added environm ental compliance statement for package
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