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参数资料
| 型号： | TB2173FTG |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQCC44 |
| 封装： | 6 X 6 MM, 0.40 MM PITCH, PLASTIC, VQON-44 |
| 文件页数： | 4/19页 |
| 文件大小： | 252K |
| 代理商： | TB2173FTG |
TB2173FTG
2006-04-19
12
2. IC Settings According to Supply Voltage
(1)
Connecting power supplies
The TB2173FTG supports an end product that uses either one or two batteries. Connect the power
supply pins according to the number of batteries, as follows:
Microcontroller
power supply
Battery power supply
Single battery
VDD, VCC1
VCC2
Two batteries
VDD
VCC1, VCC2
Note: Use the device with VCC1 greater than or equal to VCC2.
(2)
Handling the OUT ADJ pin (pin 17)
When using a single battery: Jumper OUT ADJ (pin 17) and BIAS IN (pin 18).
When using two batteries: Leave OUT ADJ (pin 17) open.
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
VDD
DC supply voltage
VCC
5.0
V
VDD
Operating supply voltage
VCC
4.5
V
Power block output current
IO
100
mA
(Note 1)
350
Power dissipation
PD
(Note 2)
1200
mW
Operating temperature
Topr
25 to 75
°C
Storage temperature
Tstg
55 to 150
°C
Note 1: IC alone: When the IC is used at 25°C or higher, reduce 2.8 mW per 1°C.
Note 2: When mounted on Toshiba standard board: When the IC is used at 25°C or higher, reduce 9.6 mW per 1°C.
The absolute maximum ratings of a semiconductor device are a set of specified parameter values which must not be
exceeded during operation, even for an instant.
Exposure to conditions beyond those listed above may cause permanent damage to the device or affect device
reliability, which could increase potential risks of personal injury due to IC blowup and/or burning.
The equipment manufacturer should design so that no absolute maximum rating value is exceeded with respect to
current, voltage, power dissipation, temperature, etc.
Ensuring that the parameter values remain within these specified ranges during device operation will help to ensure
that the integrity of the device is not compromised.
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