TFA9810 NXP Semiconductors, TFA9810 Datasheet - Page 16

• Manufacturer Part Number: TFA9810
• Description: The TFA9810 is a two-channel power comparator for high-efficiency class D audioamplifier systems
• Manufacturer: NXP Semiconductors

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