MAX9789 MAXIM [Maxim Integrated Products], MAX9789 Datasheet - Page 4

• Manufacturer Part Number: MAX9789
• Description: Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers
• Manufacturer: MAXIM [Maxim Integrated Products]

Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
(MAX9789 only) = 0V, I
V
4
Power-Supply Rejection Ratio
Voltage Gain
Input Impedance
Output Offset Voltage
Click-and-Pop Level
Dynamic Range
Signal-to-Noise Ratio
Noise
Capacitive-Load Drive
Crosstalk
Slew Rate
Charge-Pump Frequency
LOW-DROPOUT LINEAR REGULATOR
Regulator Input Voltage Range
Ground Current
Output Current
Crosstalk
Fixed Output Voltage Accuracy
Adjustable Output Voltage Range
LDO_SET Reference Voltage
LDO_SET Dual-Mode Threshold
GAIN2
DD
_______________________________________________________________________________________
= PV
= 5V (A
DD
PARAMETER
= CPV
VSP
= 10dB, A
DD
= HPV
LDO_OUT
VHP
DD
= 3.5dB), T
(MAX9789 only) = 0, C1 = C2 = C
= HP_EN = V
SYMBOL
PSRR
I
f
V
SNR
I
V
K
V
GND
R
OSC
DR
OUT
A
C
SR
V
SET
DD
OS
CP
IN
V
n
L
A
= T
LDO_EN
V
speaker P
HPV
f = 1kHz, V
f = 10kHz, V
Measured at headphone amplifier inputs
T
R
A-weighted, 32 samples
per second (Notes 3, 4)
R
FS = 0.300V
R
FS = 0.707V
R
P
BW = 22Hz to 22kHz
No sustained oscillations
L to R, R to L,
20kHz AES17
BW = 20Hz to 20kHz R
MAX9789C
Inferred from line regulation
I
I
I
MAX9789C
OUT
OUT
OUT
MIN
OUT
A
OUT
L
L
L
L
= +25°C
= 32Ω, peak voltage,
= 32Ω, f = 1kHz, A-weighted,
= 10kΩ, f = 1kHz, A-weighted,
= 32Ω,
DD
to T
= 0mA
= 120mA
= 1mA
= 4.75V, I
= 60mW
(MAX9789 only) = +5V, V
= 3V to 5.5V, T
MAX
OUT
RIPPLE
RIPPLE
RMS
RMS
, unless otherwise noted. Typical values are at T
= 2W, speaker R
CONDITIONS
OUT
, V
, V
= 200mV
OUT
OUT
= 200mV
= 0mA, f = 1kHz,
BIAS
A
MAX9789C
22Hz to 22kHz
A-weighted
R
FS = 0.300V
V
FS = 0.707V
V
MAX9789C
= 300µV
= 707µV
= +25°C
OUT
OUT
L
L
= 1µF. R
Into shutdown
Out of shutdown
= 32Ω,
= 10kΩ,
P-P
P-P
= 30mV
= 70.7mV
(Note 4)
L
RMS
RMS
(Note 4)
= 4Ω
GND
L
RMS
RMS
RMS
= ∞, unless otherwise specified, V
= V
RMS
,
,
PGND
= V
MIN
1.21
1.18
1.18
500
475
4.5
20
70
CPGND
TYP
1.21
1.21
100
103
200
550
550
200
-60
-60
-74
-77
-40
-95
3.5
0.4
0.1
±2
±2
95
84
63
40
89
97
12
= SPKR_EN = V
A
= +25°C.) (Note 2)
MAX
±1.5
±3.0
4.75
1.23
1.25
±10
625
625
120
5.5
0.4
±7
80
GAIN1
LDO_SET
UNITS
µV
dB FS
V/µs
dBV
kHz
mV
mA
mA
mV
dB
dB
kΩ
dB
dB
dB
pF
%
RMS
V
V
V
= 0,