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| 型號(hào)： | GC1012A-CQ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DIGITAL TUNER CHIP |
| 中文描述： | 數(shù)字調(diào)諧器芯片 |
| 文件頁(yè)數(shù)： | 23/30頁(yè) |
| 文件大?。?/td> | 186K |
| 代理商： | GC1012A-CQ |
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GRAYCHIP,INC.
- 18 -
FEBRUARY 18, 1998
GC1012A DIGITAL TUNER
DATA SHEET REV 0.1
This document contains information which may be changed at any time without notice
4.0
SPECIFICATIONS
4.1
ABSOLUTE MAXIMUM RATINGS
4.2
RECOMMENDED OPERATING CONDITIONS
4.3
THERMAL CHARACTERISTICS
Table 1: Absolute Maximum Ratings
PARAMETER
SYMBOL
MIN
MAX
UNITS
NOTES
DC Supply Voltage
V
CC
-0.3
7
V
Input voltage (undershoot and overshoot)
V
IN
-0.7
V
CC
+0.7
V
Storage Temperature
T
STG
-65
150
°
C
°
C
Lead Soldering Temperature (10 seconds)
300
Clock Rate
F
CK
1
KHz
1
Notes:
1. Below 1 KHz the keepalive circuit will power down the chip. If the keepalive circuit is disabled (bit 5,
address 7) and the clock is stopped, he chip will draw up to one Amp of power supply current for
approximately 10 seconds. After 10 seconds the current will go down to below 50 mAmps.
Table 2: Recommended Operating Conditions
PARAMETER
SYMBOL
MIN
MAX
UNITS
NOTES
DC Supply Voltage
V
CC
3.0
5.5
V
Temperature Ambient, no air flow
T
A
-40
+85
°
C
°
C
1
Junction Temperature
T
J
140
1
Notes:
1. Thermal management is required to keep T
J
below MAX for full rate operation. See Table 3 below.
Table 3: Thermal Data
THERMAL
CONDUCTIVITY
SYMBOL
GC1012A-CQ
GC1012A-PQ
UNITS
2 Watts
4 Watts
6 Watts
2 Watts
4 Watts
6 Watts
Theta Junction to Ambient
q
ja
29
16
15
18
11
10
°
C
/W
°
C
/W
Theta Junction to Case
q
jc
8
7
6
4
4
4
Note: Air ow will reduce
q
ja
and is highly recommended.
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