Texas Instruments EVM for Piezo Haptic Driver with Boost, Digital Front End, and Internal Waveform Memory DRV2667EVM-CT DRV2667EVM-CT 데이터 시트
제품 코드
DRV2667EVM-CT
SLOS751A – MARCH 2013 – REVISED JANUARY 2014
ELECTRICAL CHARACTERISTICS
T
A
= 25°C, V
DD
= 3.6 V, C
L
= 47 nF, R
EXT
= 7.5 k
Ω, 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
k
Ω
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
4
Submit Documentation Feedback
Copyright © 2013–2014, Texas Instruments Incorporated
Product Folder Links: