Datasheet
DRV2667
SLOS751A –MARCH 2013–REVISED JANUARY 2014
www.ti.com
ELECTRICAL CHARACTERISTICS
T
A
= 25°C, V
DD
= 3.6 V, C
L
= 47 nF, R
EXT
= 7.5 kΩ, A
V
= 40.7 dB, L = 4.7 µH (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
REG
Regulator output voltage VREG 1.6 1.75 1.9 V
|I
IL
| Digital input low current SDA, SCL V
DD
= 3.6 V, V
IN
= 0 V 1 µA
|I
IH
| Digital input high current SDA, SCL V
DD
= 3.6 V, V
IN
= V
DD
1 µA
Shut down current (Low-
I
SD
V
DD
= 3.6 V, STANDBY = 1 10 µA
Power Standby)
Quiescent current
I
DDQ
V
DD
= 3.6 V, STANDBY = 0 130 175 µA
(Digital Mode)
V
DD
= 3.6 V, Analog Input Mode, VBST = 105 V 24
V
DD
= 3.6 V, Analog Input Mode, VBST = 80 V 13
Quiescent current
I
DDQ
mA
(Analog Mode)
V
DD
= 3.6 V, Analog Input Mode, VBST = 55 V 9
V
DD
= 3.6 V, Analog Input Mode, VBST = 30 V 5
R
IN
Input impedance IN+, IN- All gains 100 kΩ
GAIN<1:0> = 00 49 50 51
GAIN<1:0> = 01 98 100 102
Full-Scale Output
VOUT
FS
V
PP
Voltage (Digital Mode)
GAIN<1:0> = 10 147 150 153
GAIN<1:0> = 11 196 200 204
VOUT
OS
Output Offset All Gains -0.25 0.25 V
GAIN<1:0> = 00, V
OUT
= 50 V
PP
, No Load 20
GAIN<1:0> = 01, V
OUT
= 100 V
PP
, No Load 10
BW Amplifier Bandwidth kHz
GAIN<1:0> = 10, V
OUT
= 150 V
PP
, No Load 7.5
GAIN<1:0> = 11, V
OUT
= 200 V
PP
, No Load 5
C
L
= 220 nF, f = 200 Hz, VBST = 30 V, GAIN<1:0> = 00,
69
V
OUT
= 50 V
PP
C
L
= 680 nF, f = 150 Hz, VBST = 30 V, GAIN<1:0> = 00,
75
V
OUT
= 50 V
PP
C
L
= 680 nF, f = 300 Hz, VBST = 30 V, GAIN<1:0> = 00,
115
V
OUT
= 50 V
PP
Average battery current
I
BAT, AVG
mA
during operation
C
L
= 22 nF, f = 200 Hz, VBST = 80 V, GAIN<1:0> = 10,
67
V
OUT
= 150 V
PP
C
L
= 47 nF, f = 150 Hz, VBST = 105 V, GAIN<1:0> = 11,
210
V
OUT
= 200 V
PP
C
L
= 47 nF, f = 300 Hz, VBST = 105 V, GAIN<1:0> = 11,
400
V
OUT
= 200 V
PP
Total harmonic distortion
THD+N f = 300 Hz, V
OUT
= 200 V
PP
1 %
plus noise
Time from I2C write until boost and amplifier are fully
t
SU
Start-up time 2 ms
enabled
f
s
Output Sample Rate Digital playback engine sample rate 7.8 8 8.05 kHz
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