Electrical characteristics (continued) – Rainbow Electronics MAX13331 User Manual
Page 3
MAX13330/MAX13331
Automotive DirectDrive Headphone Amplifiers
with Output Protection and Diagnostics
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= V
CPVDD
= +5V, V
SGND
= V
PGND
= 0,
SHDN = V
DD
, C1 = C2 = 1µF, R
L
=
∞, resistive load referenced to ground, for
MAX13330 gain = -1.5V/V (internally set), for MAX13331 gain = -1.5V/V (R
IN
= 30kΩ, R
FB
= 45kΩ), T
A
= T
J
= -40°C to +105°C, unless
otherwise noted. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
AMPLIFIERS
Voltage Gain
A
V
MAX13330
-1.48
-1.5
-1.52
V/V
Gain Matching
MAX13330
±0.2
%
Input Offset Voltage
±1
±6
mV
Input Bias Current
V
IN_
= 0
50
nA
Input Impedance
R
IN
MAX13330
20
30
k
Ω
DC, V
DD
= 4.0V to 5.5V, input referred
-86
dB
Power-Supply Rejection Ratio
PSRR
f =1kHz, V
RIPPLE
= 100mV
P-P
-80
dB
R
L
= 8
Ω
75
R
L
= 16
Ω
120
Output Power Per Channel
P
OUT_
THD+N = 1%;
V
DD
= V
CPVDD
= 5V;
f
IN
= 1kHz
R
L
= 32
Ω
135
mW
Output Voltage
V
OUT_
R
L
= 1k
Ω
2
V
RMS
Output Impedance in Shutdown
14
k
Ω
R
L
= 16
Ω, P
OUT
= 100mW, f = 1kHz
0.03
%
Total Harmonic Distortion Plus
Noise
THD+N
R
L
= 32
Ω, P
OUT
= 125mW, f = 1kHz
0.01
%
Signal-to-Noise Ratio
SNR
R
L
= 32
Ω , P
OU T
= 135m W , f = 22H z to 22kH z
100
dB
Noise
V
n
f = 22Hz to 22kHz bandwidth; inputs
AC-coupled to grounded
6
µV
RMS
Slew Rate
SR
0.3
V/µs
Maximum Capacitive Load
C
L
No sustained oscillation
3000
pF
Into shutdown
-80
Click-and-Pop Level
K
CP
Peak voltage, T
A
=
+25°C, A-weighted,
32 samples per
second; Inputs AC-
coupled to ground
Out of shutdown
-60
V
Charge-Pump Oscillator
Frequency
f
OSC
1.9
2.2
2.5
MHz
Crosstalk
R
L
= 32
Ω, V
IN
= 200mV
P-P
, f = 10kHz
-75
dB
Thermal-Shutdown Temperature
+155
°C
Thermal-Shutdown Hysteresis
10
°C
ESD Protection
Human Body Model (OUTR and OUTL)
±15
kV
Note 2: All devices are 100% tested at T
A
= +25°C; specifications over temperature limits are guaranteed by design and QA
sampling.