2 dynamic characteristics, Tfa9810, Nxp semiconductors – NXP Semiconductors TFA9810 User Manual
Page 16
TFA9810_3
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 20 February 2008
16 of 29
NXP Semiconductors
TFA9810
Audio amplifier 2 x 12 W
[1]
Current limiting concept: in overcurrent condition no interruption of the audio signal in case of impedance drop.
12.2 Dynamic characteristics
I
I
input current
V
I
= 5 V
-
1
20
µ
A
SO/OL input
V
IL
LOW-level input voltage
with respect to V
SSD
-
-
0.4
V
V
IH
HIGH-level input voltage with respect to V
SSD
3
4
4.5
V
STABI
V
STABI
voltage on pin STABI
with respect to V
SS
10
11
12
V
Comparator full-differential input stage
V
offset(i)(eq)
equivalent input offset
voltage
-
-
1
mV
20 Hz < f < 20 kHz
-
-
15
µ
V
V
cm
common mode voltage
V
SSA
+ 3
-
V
DDA
−
1
V
I
IB
input bias current
-
-
1
µ
A
OverTemperature Protection (OTP)
T
prot
protection temperature
150
-
-
°
C
OverVoltage Protection (OVP)
V
th(ovp)
overvoltage protection
threshold voltage
level internal fixed
20
21.5
23
V
UnderVoltage Protection (UVP)
V
P(uvp)
undervoltage protection
supply voltage
level internal fixed
7
7.5
8
V
OverCurrent Protection (OCP)
I
O(ocp)
overcurrent protection
output current
3
3.5
-
A
Window Protection (WP)
V
O
output voltage
high level
-
V
DDA
−
1
-
V
low level
-
V
SSA
+ 1
-
V
Table 9.
Static characteristics
…continued
T
amb
= 25
°
C; V
P
= 12 V; f
osc
= 550 kHz;
Figure 33
unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 10.
Dynamic characteristics
T
amb
= 25
°
C; V
P
= 12 V; R
L
= 8
Ω
;
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
PWM output
t
r
rise time
-
10
-
ns
t
f
fall time
-
10
-
ns