DRV632
www.ti.com
SLOS681 –JANUARY 2011
RECOMMENDED OPERATING CONDITIONS
MIN NOM
MAX
UNIT
V
VDD
RL
Supply voltage
DC supply voltage
3
3.3
10
40
60
25
3.6
Load impedance
0.6
kΩ
VIL
VIH
TA
Low-level input voltage
High-level input voltage
Operating free-air temperature
Mute
Mute
% of VDD
% of VDD
°C
–40
85
ELECTRICAL CHARACTERISTICS
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
MAX UNIT
|VOS
|
Output offset voltage
VDD = 3.3 V
0.5
1
mV
dB
V
PSRR Power-supply rejection ratio
80
VOH
VOL
High-level output voltage
Low-level output voltage
VDD = 3.3 V
VDD = 3.3 V
3.1
–3.05
V
VUVP_ External UVP detect voltage
EX
1.25
5
V
VUVP_ External UVP detect hysteresis current
µA
EX_HYS
TERESI
S
fCP
Charge pump switching frequency
High-level input current, Mute
Low-level input current, Mute
200
5
300
400
1
kHz
µA
|IIH
|
VDD = 3.3 V, VIH = VDD
|IIL|
VDD = 3.3 V, VIL = 0 V
1
µA
VDD = 3.3 V, no load, Mute = VDD
VDD = 3.3 V, no load, Mute = GND, disabled
14
14
25
IDD
Supply current
mA
OPERATING CHARACTERISTICS
VDD = 3.3 V, RDL = 10 kΩ, RFB = 30 kΩ, RIN = 15 kΩ, TA = 25°C, Charge pump: CP = 1 µF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
VO
Output voltage, outputs in phase
THD+N = 1%, VDD = 3.3 V, f = 1 kHz, RL = 10 kΩ
2
2.4
Vrms
THD+N
SNR
DNR
VN
Total harmonic distortion plus noise VO = 2 VRMS, f = 1 kHz
0.002%
Signal-to-noise ratio(1)
A-weighted
A-weighted
A-weighted
Mute = GND
Mute = GND
90
90
105
105
11
dB
dB
mV
mΩ
dB
Dynamic range
Noise voltage
ZO
Output Impedance when muted
110
80
Input-to-output attenuation when
muted
Crosstalk—L to R, R to L
Current limit
VO = 1 Vrms
–110
25
dB
ILIMIT
mA
(1) SNR is calculated relative to 2-Vrms output.
Copyright © 2011, Texas Instruments Incorporated
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