MAX9719 Maxim Integrated Products, MAX9719 Datasheet - Page 3

• Manufacturer Part Number: MAX9719
• Description: (MAX9718 / MAX9719) 1.4W Differential Audio Power Amplifiers
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS—5V Supply (continued)
(V
T
ELECTRICAL CHARACTERISTICS—3V Supply
(V
T
Gain Accuracy
Channel-to-Channel Gain
Matching
Signal-to-Noise Ratio
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
Maximum Capacitive Drive
Power-Up/Enable from
Shutdown Time
Shutdown Time
Turn-Off Transient
Crosstalk
Supply Current
Shutdown Supply Current
SHDN, SHDN, SHDM
Threshold
Common-Mode Bias Voltage
Output Offset Voltage
Common-Mode Input Voltage
Input Impedance
Common-Mode Rejection Ratio
Power-Supply Rejection Ratio
A
A
CC
CC
= +25°C. C
= +25°C. C
= 5V, GND = 0, SHDN/SHDN = V
= 3V, GND = 0, SHDN/SHDN = V
PARAMETER
PARAMETER
BIAS
BIAS
= 0.1µF, no load. Typical values are at T
= 0.1µF, no load. Typical values are at T
1.4W Differential Audio Power Amplifiers
_______________________________________________________________________________________
SYMBOL
SYMBOL
C
CMRR
t
I
V
PSRR
V
SHDN
SNR
SHDN
LOAD
V
t
I
V
V
R
V
BIAS
POP
PU
CC
OS
IH
IC
IL
IN
CC
CC
MAX971_B/MAX971_C/MAX971_D
MAX9719B/MAX9719C/MAX9719D
P
Bridge-tied capacitance
(Note 6)
MAX9719, f
V
per amplifier (Note 2)
SHDN = SHDM = SHDN = GND, per amplifier
(Note 3)
V
Inferred from
CMRR test
External gain, MAX971_A
MAX971_B/MAX971_C/MAX971_D
f
V
V
R
C
(MAX9718/MAX9719), SHDM = GND (MAX9718), R
N
(MAX9718/MAX9719), SHDM = GND (MAX9718), R
OUT
IN-
RIPPLE
IN-
IN-
L
BIAS
= 1kHz
= 8Ω ,
= V
= V
= V
= 1W, R
= 1µF
IN+
IN+
IN+
= 200m V
IN
= V
= V
= V
A
L
= 1kHz
A
BIAS
BIAS
BIAS
= 8Ω
= +25°C, unless otherwise noted.) (Note 1)
= +25°C, unless otherwise noted.) (Note 1)
CONDITIONS
CONDITIONS
P-P
,
, T
,
Low-Cost, Mono/Stereo,
A
= -40°C to +85°C,
A
MAX971_B
A
A
A
A
A
f = 217Hz
f = 1kHz
V
V
V
V
V
V
= 0dB, MAX971_A/
= 3dB, MAX971_C
= 6dB, MAX971_D
= 0dB, MAX971_B
= 3dB, MAX971_C
= 6dB, MAX971_D
0.7 x V
V
- 5%
MIN
MIN
CC
-50
0.5
0.5
0.5
0.5
10
/2
CC
IN
IN
= R
= R
V
+160
TYP
-104
TYP
500
3.5
-85
3.8
0.1
CC
-60
-70
-93
-90
15
10
50
±1
±1
±1
15
F
F
/2
= 10kΩ (MAX971_A),
= 10kΩ (MAX971_A),
0.3 x V
V
V
V
V
CC
CC
CC
CC
V
MAX
+ 5%
MAX
±10
±15
±20
CC
±1
±1
6.0
20
1
- 0.7
- 0.8
- 1.0
- 1.2
/2
CC
UNITS
UNITS
ms
mV
dB
dB
mA
mV
°C
°C
pF
µs
µA
kΩ
dB
dB
%
%
V
V
V
3