max9726aetpt Maxim Integrated Products, Inc., max9726aetpt Datasheet - Page 4

• Manufacturer Part Number: max9726aetpt
• Description: Max9726 Directdrive, Headphone Amplifier With Bassmax, I?c, Volume And Gain Control
• Manufacturer: Maxim Integrated Products, Inc.

DirectDrive, Headphone Amplifier with
BassMax, I
ELECTRICAL CHARACTERISTICS (3.3V Supply) (continued)
(V
volume (overall gain = 0dB), BassMax disabled. Load connected between OUT_ and PGND where specified. T
unless otherwise noted. Typical values are at T
TIMING CHARACTERISTICS
(V
ume (overall gain = 0dB), BassMax disabled. Load connected between OUT_ and PGND where specified. T
otherwise noted. Typical values are at T
4
Note 1: All specifications are 100% tested at T
Note 2: Inputs AC-coupled to SGND.
Note 3: Guaranteed by design.
Note 4: Headphone testing performed with a 32Ω resistive load connected to PGND. Mode transitions are controlled by SHDN. K
Serial Clock Frequency
Bus Free Time Between a STOP and a
START Condition
Hold Time Repeated for a START
Condition
Low Period of the SCL Clock
High Period of the SCL Clock
Setup Time for a Repeated START
Condition
Data Hold Time
Data Setup Time
Rise Time of Both SDA and SCL Signals
Fall Time of Both SDA and SCL Signals
Setup Time for STOP Condition
Pulse Width of Suppressed Spike
Capacitive Load for Each Bus Line
Power-Supply Rejection Ratio
(Note 2)
Signal-to-Noise Ratio
Click-and-Pop Level
DD
DD
_______________________________________________________________________________________
= SHDN = 5V, PGND = SGND = 0V, C1 = C2 = 1µF, C
= SHDN = 3.3V, PGND = SGND = 0V, C1 = C2 = 1µF, C
level is calculated as 20log[(peak voltage during mode transition, no input signal)/1V
PARAMETER
PARAMETER
2
C, Volume and Gain Control
SYMBOL
PSRR
SNR
A
K
CP
= +25°C.) (Notes 1, 3)
A
A
SYMBOL
= +25°C.) (Note 1)
t
t
t
t
t
C
= +25°C. Temperature limits are guaranteed by design.
HD:DAT
HD:STA
SU:STA
SU:DAT
SU:STO
t
t
t
f = 1kHz, 100mV
f = 20kHz, 100mV
R
V
Peak voltage,
A-weighted, 32
samples per
second
(Notes 2, 4)
f
HIGH
L_BUS
LOW
BUF
SCL
t
SP
L
OUT
t
t
r
f
= 32Ω,
= 1.5V
PREG
RMS
PREG
CONDITIONS
= C
P-P
P-P
= C
NREG
ripple
CONDITIONS
BW = 22Hz to 22kHz
A-weighted
Into shutdown
Out of shutdown
ripple
NREG
= 1µF, BM_ = 0V, R
= 1µF, BM_ = 0V, R
RMS
IN
MIN
]. Units are expressed in dBV.
MIN
100
1.3
0.6
1.3
0.6
0.6
0.6
= 10kΩ, R
0
0
IN
= 10kΩ, R
TYP
TYP
101
104
85
73
62
67
50
A
F
= T
= 10kΩ, maximum vol-
F
MIN
A
= 10kΩ, maximum
MAX
MAX
400
300
300
400
0.9
= T
to T
MIN
MAX
to T
UNITS
UNITS
, unless
dBV
kHz
dB
dB
pF
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
ns
MAX
CP
,