Si8244 SILABS [Silicon Laboratories], Si8244 Datasheet - Page 5

• Manufacturer Part Number: Si8244
• Description: CLASS D AUDIO DRIVER WITH PRECISION DEAD-TIME GENERATOR
• Manufacturer: SILABS [Silicon Laboratories]

2. Electrical Specifications
Table 1. Electrical Characteristics
4.5 V < VDDI < 5.5 V, VDDA = VDDB = 12 V or 15 V. TA = –40 to +125 °C. Typical specs at 25 °C
Parameter
DC Specifications
Input-Side Power Supply
Voltage
Driver Supply Voltage
Input Supply Quiescent
Current
Output Supply Quiescent
Current
Input Supply Active Current
Output Supply Active Current
Input Pin Leakage Current
Input Pin Leakage Current
Logic High Input Threshold
Logic Low Input Threshold
Input Hysteresis
Logic High Output Voltage
Logic Low Output Voltage
Output Short-Circuit Pulsed
Sink Current
Output Short-Circuit Pulsed
Source Current
Output Sink Resistance
Output Source Resistance
Notes:
1. VDDA = VDDB = 12 V for 8 V UVLO and 10 V UVLO devices.
2. The largest RDT resistor that can be used is 220 k.
VDDA, VDDB
VOAL, VOBL
R
IOA(SCH),
IDISABLE
IOA(SCL),
IOB(SCH)
ON(SOURCE)
IOB(SCL)
R
IDDA(Q),
IDDB(Q)
Symbol
IDDI(Q)
VOAH,
VI
VOBH
ON(SINK)
IPWM
IDDO
VDDI
IDDI
VIH
VIL
HYST
1
GNDA, and VDDB and GNDB
Voltage between VDDA and
(See “6. Ordering Guide” )
PWM freq = 500 kHz
PWM freq = 500 kHz
Current per channel
Rev. 0.2
IOA, IOB = –1 mA
Test Conditions
IOA, IOB = 1 mA
Si8241, Figure 2
Si8244, Figure 2
Si8241, Figure 3
Si8244, Figure 3
Si8241/44
Si8241
Si8244
Si8241
Si8244
/VDDB)
— 0.04
(VDDA
Min
–10
–10
400
4.5
6.5
2.0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.25
Typ
450
2.5
3.6
5.0
1.0
2.7
0.5
4.0
2.0
—
—
—
—
—
—
15
—
—
—
2
Si824x
Max
0.04
+10
+10
5.5
3.0
0.8
24
—
—
—
—
—
—
—
—
—
—
—
—
—
3
Units
µA dc
µA dc
mA
mA
mA
mA
mV
V
V
V
V
V
V
A
A
A
A




5