MAX9717CETA(2004) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX9717CETA Datasheet PDF : 19 Pages
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Low-Cost, Mono, 1.4W BTL Audio Power
Amplifiers
ELECTRICAL CHARACTERISTICS—5V Supply (continued)
(VCC = 5V, GND = 0, SHDN = VCC, TA = +25°C. CBIAS = 1µF, RIN = RF = 20kΩ (MAX9716/MAX9717A), IN+ = BIAS (MAX9716),
BTL/SE = GND (MAX9717_), RL = ∞ connected between OUT+ and OUT-. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Short-Circuit Current Limit
Thermal Shutdown Threshold
ISC
(Note 9)
1.1
A
+160
°C
Thermal Shutdown Hysteresis
15
°C
Power-Up/Enable from Shutdown
Time (Note 10)
Shutdown Time
Input Resistance
tPU
tSHDN
RIN
CBIAS = 0.1µF
MAX9717B/C/D
250
ms
25
5
µs
12
20
28
kΩ
ELECTRICAL CHARACTERISTICS—3V Supply
(VCC = 3V, GND = 0, SHDN = VCC, TA = +25°C. CBIAS = 1µF, RIN = RF = 20kΩ (MAX9716/MAX9717A), IN+ = BIAS (MAX9716),
BTL/SE = GND (MAX9717_), RL = ∞ connected between OUT+ and OUT-. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Quiescent Supply Current
Shutdown Supply Current
SHDN Threshold
BTL/SE Threshold
ICC
ISHDN
VIH
VIL
VIH
VIN- = VIN+ = VBIAS (Note 3),
TA = -40°C to +85°C
SHDN = GND
VIL
4
8.0
mA
0.01
1
µA
1.2
V
0.4
0.9 x
VCC
V
0.7 x
VCC
Common-Mode Bias Voltage
VBIAS (Note 4)
VCC/2
- 9%
VCC/2
VCC/2
+ 9%
V
Output Offset Voltage
VOS
VIN- = VOUT+, VIN+ = VBIAS (Note 5)
±7
±15
mV
Power-Supply Rejection Ratio
Output Power
Total Harmonic Distortion Plus
Noise
Output-Noise Density
Signal-to-Noise Ratio
PSRR
POUT
THD+N
en
SNR
VIN+ = VBIAS,
VRIPPLE = 200mVP-P,
RL = 8Ω (Note 6)
f = 217Hz
f = 1kHz
RL = 8Ω, THD+N = 1%, fIN = 1kHz (Note 7)
RL = 4Ω, THD+N = 1%, fIN = 1kHz (Note 7)
AV = 6dB, RL = 8Ω, fIN = 1kHz,
POUT = 0.5W, VCC = 3V (Note 8)
fIN = 10kHz
THD+N = 1%
61
73
350
525
0.024
106
100
dB
mW
%
nV/√Hz
dB
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