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参数资料
| 型号： | TAS5110IDAD |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 50 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32 |
| 封装： | PLASTIC, HTSSOP-32 |
| 文件页数： | 4/24页 |
| 文件大小： | 682K |
| 代理商： | TAS5110IDAD |
TAS5110
SLES028A MAY 2002 REVISED SEPTEMBER 2002
12
www.ti.com
electrical characteristics
supply, TJ = 25°C (Fswitching = 384 kHz, OUTPUTA and OUTPUTB not connected, DVDD = 3.3 V,
PVDDA1 = 25 V, PVDDB1 = 25 V, PVDDA2 = 22 V, PVDDB2 = 22 V, 50% input duty cycle)
PARAMETER
TYP
MAX
UNIT
DVDD
Operating
2
mA
DVDD
PWDN = 0
500
A
Supply current
PVDDA1
Operating
6.3
mA
Supply current
PVDDA1
PVDDB1
PWDN = 0
25
A
PVDDA2
Operating
6.5
mA
PVDDA2
PVDDB2
PWDN = 0
250
A
13-k resistor from BIAS_A (pin 11) to DVSS and 13-k resistor from BIAS_B (pin 12) to DVSS.
H-Bridge transistors, PVDDA2 = PVDDB2 = 22 V, DVDD = 3.3 V, TJ = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Drain-to-source breakdown voltage
ID = 1 mA,
PWDN = 0,
Hi-Z state
28
V
Forward on-state resistance, low-side drivers
OUTPUTA and OUTPUTB to PVSS
ISINK = 2.5 A,
See Notes 1, 2, and 3,
PWM_AP = PWM_BP = 0,
PWM_AM = PWM_BM = 1
0.2
0.24
Forward on-state resistance, high-side drivers
PVDDA1 to OUTPUTA, PVDDB1 to OUTPUTB
ISOURCE = 2.5 A,
See Notes 1, 2, and 4,
PWM_AP = PWM_BP = 1,
PWM_AM = PWM_BM = 0
0.2
0.24
On-state resistance matching low-side drivers
98%
On-state resistance matching high-side drivers
98%
NOTES:
1. Test time should be < 1 ms to avoid temperature change.
2. These parameters are measured with voltage-sensing contacts separate from the current-carrying contacts.
3. Connect PVDDA2 and PVDDB2 to a 22-V power supply with respect to PVSS. LDROUTA, LDROUTB, BOOTSTRAPA, and
BOOTSTRAPB pins open.
4. Connect PVDDA2 to 22-V power supply with respect to PVSS. LDROUTA, LDROUTB, BOOTSTRAPA, and BOOTSTRAPB
capacitors are connected respectively. Clock PWM inputs to allow bootstrap capacitors to charge. 9399% modulation must be used
on PWM_AP, PWM_AM, PWM_BP, and PWM_BM inputs to prevent the activity detector from shutting down the device during this
measurement. Note that Fswitching = 384 kHz.
electrical characteristics, voltage regulator, TJ = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage (LDROUTA, LDROUTB)
IO = 5 mA,
PVDDA2 = PVDDB2 = 18 V to 27 V,
See Note 5,
DVDD = 3.3 V
14.5
15.3
16
V
NOTE 5: These voltage regulators are for internal gate drive circuits only and are not to be used under any circumstances to supply current to
external circuity.
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