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TS4621E Datasheet(PDF) 7 Page - STMicroelectronics

Part # TS4621E
Description  High-performance class-G stereo headphone amplifier with I2C volume control
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4621E Datasheet(HTML) 7 Page - STMicroelectronics

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TS4621E
Electrical characteristics
Doc ID 022201 Rev 1
7/32
3
Electrical characteristics
Table 5.
Electrical characteristics of the I²C interface
for VCC = +3.6 V, AGND = 0 V, Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
VIL
Low level input voltage on SDA, SCL pins
0.6
V
VIH
High level input voltage on SDA, SCL pins
1.2
V
VOL
Low level output voltage, SDA pin, Isink = 3mA
0.4
V
Iin
Input current on SDA, SCL
10
µA
V
SDA SCL
,
600k
Ω
---------------------------------
Table 6.
Electrical characteristics of the amplifier
for VCC = +3.6 V, AGND = 0 V, RL= 32 Ω + 15 Ω, Tamb = 25° C
(unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
ICC
Quiescent supply current, no input signal, both channels
enabled
1.2
1.5
mA
Is
Supply current, with input modulation, both channels enabled,
HPVDD = 1.2 V, output power per channel, F=1kHz
Pout = 100 µW at 3 dB crest factor
Pout = 500 µW at 3 dB crest factor
Pout = 1mW at 3dB crest factor
Pout = 100 µW at 10 dB crest factor
Pout = 500 µW at 10 dB crest factor
Pout = 1 mW at 10 dB crest factor
2.3
3.7
4.7
2.1
3.1
3.9
3.5
5
6.5
mA
ISTBY
Standby current, no input signal, I²C CR1 = 01h
VSDA = 0 V, VSCL = 0 V
0.6
5
µA
Vin
Input differential voltage range(1)
1Vrms
Voo
Output offset voltage
No input signal
-500
+500
µV
Vout
Maximum output voltage, in-phase signals
RL = 16 Ω, THD+N = 1% max, f = 1 kHz
RL = 47 Ω, THD+N = 1% max, f = 1 kHz
RL = 10 kΩ, Rs = 15 Ω, CL = 1 nF, THD+N = 1% max,
f = 1 kHz
0.6
1.0
1.0
0.8
1.1
1.3
Vrms
THD+N
Total harmonic distortion + noise, G = 0 dB
Vout = 700 mVrms, F = 1 kHz
Vout = 700 mVrms, 20 Hz < F < 20 kHz
0.006
0.05
0.02
%
PSRR
Power supply rejection ratio(1), Vripple = 200 mVpp, grounded
inputs
F = 217 Hz, G = 0 dB, RL ≥16 Ω
F = 10 kHz, G = 0 dB, RL ≥16 Ω
90
100
70
dB


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