Electrical characteristics—5v supply (continued), Electrical characteristics—3v supply – Rainbow Electronics MAX9717 User Manual
Page 3
MAX9716/MAX9717
Low-Cost, Mono, 1.4W BTL Audio Power
Amplifiers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—5V Supply (continued)
(V
CC
= 5V, GND = 0, SHDN = V
CC
, T
A
= +25°C. C
BIAS
= 1µF, R
IN
= R
F
= 20k
Ω (MAX9716/MAX9717A), IN+ = BIAS (MAX9716),
BTL/SE = GND (MAX9717_), R
L
=
∞ connected between OUT+ and OUT-. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Short-Circuit Current Limit
I
SC
(Note 9)
1.1
A
Thermal Shutdown Threshold
+160
°C
Thermal Shutdown Hysteresis
15
°C
250
Power-Up/Enable from Shutdown
Time (Note 10)
t
PU
C
BIAS
= 0.1µF
25
ms
Shutdown Time
t
SHDN
5
µs
Input Resistance
R
IN
MAX9717B/C/D
12
20
28
k
Ω
ELECTRICAL CHARACTERISTICS—3V Supply
(V
CC
= 3V, GND = 0, SHDN = V
CC
, T
A
= +25°C. C
BIAS
= 1µF, R
IN
= R
F
= 20k
Ω (MAX9716/MAX9717A), IN+ = BIAS (MAX9716),
BTL/SE = GND (MAX9717_), R
L
=
∞ connected between OUT+ and OUT-. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Quiescent Supply Current
I
CC
V
IN-
= V
IN+
= V
BIAS
(Note 3),
T
A
= -40°C to +85°C
4
8.0
mA
Shutdown Supply Current
I
SHDN
SHDN = GND
0.01
1
µA
V
IH
1.2
SHDN Threshold
V
IL
0.4
V
V
IH
0.9 x
V
CC
BTL/SE Threshold
V
IL
0.7 x
V
CC
V
Common-Mode Bias Voltage
V
BIAS
(Note 4)
V
CC
/2
- 9%
V
CC
/2
V
CC
/2
+ 9%
V
Output Offset Voltage
V
OS
V
IN-
= V
OUT+
, V
IN+
= V
BIAS
(Note 5)
±7
±15
mV
f = 217Hz
61
Power-Supply Rejection Ratio
PSRR
V
IN+
= V
BIAS
,
V
RIPPLE
= 200mV
P-P
,
R
L
= 8
Ω (Note 6)
f = 1kHz
73
dB
R
L
= 8
Ω, THD+N = 1%, f
IN
= 1kHz (Note 7)
350
Output Power
P
OUT
R
L
= 4
Ω, THD+N = 1%, f
IN
= 1kHz (Note 7)
525
mW
Total Harmonic Distortion Plus
Noise
THD+N
A
V
= 6dB, R
L
= 8
Ω, f
IN
= 1kHz,
P
OUT
= 0.5W, V
CC
= 3V (Note 8)
0.024
%
Output-Noise Density
e
n
f
IN
= 10kHz
106
nV/
√Hz
Signal-to-Noise Ratio
SNR
THD+N = 1%
100
dB