Datasheet

R3
C2
RIGHT
INPUT
+
-
LEFT
INPUT
LEFT
OUTPUT
RIGHT
OUTPUT
3.3V
supply
C1
C2
R3
R2
R2
R1
R1
R3
+
-
C1
R3R1
R1
R2 C2
R2
C3
1 Fm
DRV602
1 Fm
1 Fm
Clickand Pop
Suppression
ShortCircuit
Protection
SGND
Bias
Circuitry
PVSS
CN
CP
PVDD
-INL
+INL
OUTR
-INR
OUTL
+INR
EN
PGND
NC
Line
Driver
Line
Driver
C2
ENABLE
C3
C3
C3
DRV602
SLOS572D –DECEMBER 2008–REVISED OCTOBER 2010 www.ti.com
OPERATING CHARACTERISTICS
V
DD
= 3.3 V , T
A
= 25°C, R
L
= 2.5kΩ, C
(PUMP)
= C
(PVSS)
= 1 µF , C
IN
= 1 µF, R
IN
= 33 kΩ, R
fb
= 68kΩ (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
THD = 1%, V
DD
= 3.3 V, f = 1 kHz 2.05
V
O
Output Voltage (Outputs In Phase) Vrms
THD = 1%, V
DD
= 5 V, f = 1 kHz 3.01
V
O
= 2 Vrms, f = 1 kHz 0.01%
THD+N Total harmonic distortion plus noise
V
O
= 2 Vrms, f = 6.8 kHz 0.05%
Crosstalk V
O
= 2 Vrms, f = 1 kHz –100 dB
I
O
Output current limit V
DD
= 3.3 V 20 mA
R
IN
Input resistor range 1 10 47 kΩ
R
fb
Feedback resistor range 4.7 20 100 kΩ
Slew rate 4.5 V/ms
Maximum capacitive load 220 pF
V
N
Noise output voltage A-weighted, BW 20Hz–22kHz 15 mVrms
V
O
= 2 Vrms, THD+N = 0.1%, 22 kHz BW,
SNR Signal to noise ratio 102 dB
A-weighted
G
BW
Unity Gain Bandwidth 8 MHz
A
VO
Open-loop voltage gain 150 dB
Fcp Charge Pump frequency 225 450 675 kHz
APPLICATION CIRCUIT
R1 = 33kΩ, R2 = 68kΩ, R3 = 100kΩ, C1 = 150pF, C2 = 15pF, C3 = 1 mF
Differential input, single ended output, 2nd order filter. 40kHz –3dB frequency, Gain 2.06.
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Product Folder Link(s): DRV602