參數(shù)資料
型號(hào): TB2173FTG
廠商: Toshiba Corporation
英文描述: 2-Source Stereo Headphone Amplifier
中文描述: 2源立體聲耳機(jī)放大器
文件頁(yè)數(shù): 12/19頁(yè)
文件大?。?/td> 254K
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
V
DD
, V
CC1
V
CC2
Two batteries
V
DD
V
CC1
, V
CC2
Note: Use the device with V
CC1
greater than or equal to V
CC2
.
(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
V
DD
DC supply voltage
V
CC
5.0
V
V
DD
Operating supply voltage
V
CC
4.5
V
Power block output current
I
O
100
mA
(Note 1)
350
Power dissipation
P
D
(Note 2)
1200
mW
Operating temperature
T
opr
25 to 75
°C
Storage temperature
T
stg
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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