Electrical Characteristics for Entire IC(Notes 1, 2) (Continued)
The following specifications apply for VDD = 5V unless otherwise noted. Limits apply for TA = 25˚C.
LM4832
Units
(Limits)
Symbol
Parameter
Conditions
Typical
Limit
(Note 7)
(Note 6)
AUDIO PATH
PO
Output Power
THD = 1.0% (max), f = 1 kHz, All
controls at 0dB
RL = 8Ω
250
95
mW (min)
mW (min)
RL = 32Ω
75
THD+N
Total Harmonic Distortion+Noise
All Controls at 0 dB, THD = 10%, f = 1
kHz
RL = 8Ω
350
0.15
0.11
0.08
45
mW
%
PO = 200 mW, RL = 8Ω
PO = 75 mW, RL = 32Ω
VO = 1 Vrms, RL = 10Ω
%
%
PSRR
Power Supply Rejection Ratio
CB = 1 µF, f = 100 Hz, VRIPPLE = 100
mVrms, All Controls at 0 dB Setting
dB
AM
Mute Attenuation
Cross Talk
f = 1 kHz, VIN = 1V
−75
dB
XTALK
PO = 200 mW, RL = 8Ω,
All controls at 0 dB setting,
f = 1 kHz
Left to Right
Right to Left
−85
−72
dB
dB
MICROPHONE PREAMP AND VOLUME CONTROL
AV
Preamp Gain
0 dB Gain
0
−1, 1
19, 21
29, 31
20
dB
dB
+20 dB Gain
20
30
+30 dB Gain
dB
AR
AS
Attenuator Range
Gain at +18 dB Setting
Attenuation at −42 dB Setting
0 dB to −42 dB
dB (max)
dB (min)
dB
−43
Step Size
3
Step Size Error
0.4
1.7
7
dB (max)
Vrms
<
VSWING
ENO
Output Voltage Swing
Input Referred Noise
Power Supply Rejection Ratio
f = 1 kHz, THD 1.0%, RL = 1 kΩ
A-Weighted, Attenuator at 0 dB
µV (min)
dB
PSRR
f = 100 Hz, VRIPPLE = 100 mVrms,
CB = 1 µF
35
AM
Mute Attenuation
Cross Talk
−90
−90
dB
dB
XTALK
THD+N
Power Amp PO = 200 mW, f = 1 kHz
Total Harmonic Distortion Plus Noise All controls at 0 dB, f = 1 kHz, VO = 1V
0 dB Setting
+20 dB Gain
+30 dB Gain
0.03
0.03
0.04
%
%
%
I2C BUS TIMING
fMAX
Maximum Bus Frequency
400
0.6
kHz
µs
TSTART:HOLD Start Signal: Hold Time before
Clock/Data Transitions
TD;SETUP
TC;HIGH
TC;LOW
Data Setup Time
0.1
0.6
1.3
0.6
µs
µs
µs
µs
Minimum High Clock Duration
Minimum Low Clock Duration
TSTOP;SETUP Stop Signal: Setup Time before
Clock/Data Transitions
I2C BUS INPUT AND OUTPUT
VIL
Input Low Voltage
1.5
V (max)
3
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