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OPA4251UAG4

Texas Instruments OPA4251UAG4

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TPA721DR

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Price $0.70 $2.61 $0.92
RoHS Compliant Compliant Yes Compliant Compliant Compliant Yes Yes Compliant Yes
Lead Status No Yes Yes No No No Yes Yes Yes Yes
Offset Drift(Typ)(uV/C) 0.6 0.6
Architecture Bipolar Class-D Bipolar Class AB Class AB
Vos (Offset Voltage @ 25C)(Max)(mV) 0.25 0.25
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Iq per channel(Typ)(mA) 0.027 0.027 0.7 0.7 1.25
Iq per channel(Max)(mA) 0.038 0.038
Operating Temperature Range(C) -40 to 85 -40 to 125 -40 to 125 -40 to 85 -40 to 85
Approx. Price (US$) 5.25 | 1ku 0.65 | 1ku 0.65 | 1ku 1.15 | 1ku 0.33 | 1ku 0.33 | 1ku 0.38 | 1ku
CMRR(Min)(dB) 100 100
Package Group SOIC SON SON SOIC MSOP-PowerPAD,SOIC MSOP-PowerPAD,SOIC MSOP-PowerPAD,SOIC
Input Bias Current(Max)(pA) 20000 20000
Additional Features High Cload Drive,N/A High Cload Drive
Output Current(Typ)(mA) 30 24
Number of Channels(#) 4 1
CMRR(Typ)(dB) 124 124
Package Size mm2 mm2 mm2 mm2 mm2 mm2 mm2
Slew Rate(Typ)(V/us) 0.01 0.01
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
Total Supply Voltage(Max)(+5V=5, +/-5V=10) 36 36
Rail-to-Rail In to V-,Out In to V-,Out
Reset Threshold Accuracy(%) 0.8 0.8
Output Driver Type / Reset Output Active-low,Open-drain Active-low,Open-drain
Time Delay(ms) 200 200
VCC(Max)(V) 6.5 6.5
Special Features Active Low Enable,Manual Reset,Watchdog Disable,Watchdog Timer Active Low Enable,Manual Reset,Watchdog Disable,Watchdog Timer
Watchdog Timer WDI(sec) Programmable 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 1.67,1.73,2.32,2.4,2.79,2.88,3.07,3.17,4.65,4.8
# of Supplies Monitored 1 1
Iq(Typ)(uA) 10 10
VCC(Min)(V) 1.6 1.6
Monitored Voltage 2 (typ)(Nom)(V) N/A N/A
Threshold Voltage 2 (typ)(Typ)(V) N/A N/A
Monitored Voltage 1 (typ)(Nom)(V) 1.8,2.5,3,3.3,5 1.8,2.5,3,3.3,5
Audio input type Analog Input
Load(Min)(ohms) 1 8 8
PSRR(dB) 60 85 85 85
Power to parallel bridge tied load(Max)(W) 200
Power stage supply(Max)(V) 30
Output power(W) 100
THD + N @ 1 kHz(%) 0.02 1 1
Speaker Channels(Max) Stereo Mono Mono Mono
SNR(dB) 108
Approx. price(US$) 1.95 | 1ku
Control interface Hardware
Operating temperature range(C) -40 to 85
Closed/open loop Closed
Iq(Typ)(mA) 15 0.7 0.7
Power stage supply(Min)(V) 7
Analog supply(Min)(V) 5
Analog supply(Max)(V) 30
Output Power(W) 0.35 0.35 0.7
Iq(Max)(mA) 1.5 1.5
Shutdown Current (ISD)(uA) 0.15 0.15 7
Control Interface Hardware Hardware
Analog Supply (V)(Max) 5.5 5.5 5.5
Pin/Package 8MSOP-PowerPAD, 8SOIC 8MSOP-PowerPAD, 8SOIC
Analog Supply (V)(Min) 2.5 2.5 2.5
Audio Input Type Analog Input Analog Input Analog Input
Speaker Amp Type Class-AB