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TPA721DG4

Texas Instruments TPA721DG4

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TPS3851G33EDRBT

Texas Instruments TPS3851G33EDRBT

Price $0.62 $2.11 $0.38 $1.25
RoHS Compliant Y See ti.com Compliant Compliant Yes Yes Compliant Compliant Compliant
Lead Status No Y See ti.com No No Yes Yes No No Yes
Output Power(W) 0.7 175 0.7 0.35
Shutdown Current (ISD)(uA) 7 7 0.15
Operating Temperature Range(C) -40 to 85 0 to 70 -40 to 85 -40 to 85 -40 to 85 -40 to 125
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Speaker Amp Type Class-AB Class-AB
Analog Supply (V)(Max) 5.5 13.2 5.5 5.5
PSRR(dB) 85 60 85 85
Speaker Channels(Max) Mono Stereo Mono Mono
Analog Supply (V)(Min) 2.5 10.8 2.5 2.5
Package Group MSOP-PowerPAD,SOIC MSOP-PowerPAD,SOIC SOIC SOIC MSOP-PowerPAD,SOIC SON
Approx. Price (US$) 0.38 | 1ku 5.95 | 1ku 0.38 | 1ku 1.15 | 1ku 1.15 | 1ku 0.33 | 1ku 0.65 | 1ku
Package Size mm2 mm2 mm2 mm2 mm2 mm2
Iq per channel(Typ)(mA) 1.25 1.25 0.027 0.027 0.7
Audio Input Type Analog Input Digital Input Analog Input Analog Input
Architecture CMOS Class-D,Smart Amp Bipolar Bipolar Class AB
CMRR(typ)(dB) 114
Features Zero Crossover
GBW(typ)(MHz) 10
Input bias current(max)(pA) 10
Input common mode headroom (to negative supply)(typ)(V) -0.1
Input common mode headroom (to positive supply)(typ)(V) 0.1
Iout(typ)(A) 0.03
Iq per channel(typ)(mA) 0.65
Number of channels 1
Offset drift(typ)(V/C) 2
Operating temperature range(C) -40
Output swing headroom (to negative supply)(typ)(V) 0.01
Output swing headroom (to positive supply)(typ)(V) -0.01
Package area(mm^2) 8.12
Package size (L x W)(mm) 2.9 x 2.8
Package type SOT-23
Pin count 5
Rail-to-rail In,Out
Slew rate(typ)(V/s) 5
THD + N at 1 kHz(typ)(%) 0.0005
TI functional safety category
TI package name DBV
Total supply voltage (+5 V = 5, 5 V = 10)(max)(V) 5.5
Total supply voltage (+5 V = 5, 5 V = 10)(min)(V) 2.2
Vn at 1 kHz(typ)(nVHz) 10
Vos (offset voltage at 25C)(max)(mV) 0.15
TI.com inventory 231595
Approx. price(US$) .5 | 1ku
Load(Min)(ohms) 1 8
Control Interface Hardware Hardware
Sampling Rate(Max)(kHz) 96
SNR(dB) 108
THD + N @ 1 kHz(%) 0.01 1
Sampling Rate(Min)(kHz) 32
Power to Parallel Bridge Tied Load(Max)(W) 350
Power Stage Supply(Max)(V) 38
Power Stage Supply(Min)(V) 12
Closed/Open Loop Closed
Offset Drift(Typ)(uV/C) 0.6 0.6
Vos (Offset Voltage @ 25C)(Max)(mV) 0.25 0.25
Additional Features High Cload Drive High Cload Drive
Iq per channel(Max)(mA) 0.038 0.038
CMRR(Min)(dB) 100 100
Input Bias Current(Max)(pA) 20000 20000
CMRR(Typ)(dB) 124 124
Slew Rate(Typ)(V/us) 0.01 0.01
Output Current(Typ)(mA) 24 24
GBW(Typ)(MHz) 0.035 0.035
Vn at 1kHz(Typ)(nV/rtHz) 45 45
Total Supply Voltage(Min)(+5V=5, +/-5V=10) 2.7 2.7
Number of Channels(#) 1 1
Total Supply Voltage(Max)(+5V=5, +/-5V=10) 36 36
Rail-to-Rail In to V-,Out In to V-,Out
Iq(Max)(mA) 1.5
Pin/Package 8MSOP-PowerPAD, 8SOIC
Iq(Typ)(mA) 0.7
Reset Threshold Accuracy(%) 0.8
Output Driver Type / Reset Output Active-low,Open-drain
Time Delay(ms) 200
VCC(Max)(V) 6.5
Special Features Active Low Enable,Manual Reset,Watchdog Disable,Watchdog Timer
Watchdog Timer WDI(sec) Programmable
Threshold Voltage 1(Typ)(V) 1.67,1.73,2.32,2.4,2.79,2.88,3.07,3.17,4.65,4.8
# of Supplies Monitored 1
Iq(Typ)(uA) 10
VCC(Min)(V) 1.6
Monitored Voltage 2 (typ)(Nom)(V) N/A
Threshold Voltage 2 (typ)(Typ)(V) N/A
Monitored Voltage 1 (typ)(Nom)(V) 1.8,2.5,3,3.3,5