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參數(shù)資料
| 型號： | AGT3209 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Temperature Compensating Gamma Trimster TM ATT3209 |
| 中文描述： | 溫度補(bǔ)償伽瑪Trimster商標(biāo)ATT3209 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 642K |
| 代理商： | AGT3209 |
Alta Analog
ATT3209
Proprietary and Confidential
Page 5
Revision 2/7/2005
INPUT / OUTPUT FUNCTION DESCRIPTION
Name
Description
Digital Supply
Input
A
VDD
Analog Supply
V
GMA
0-
V
GMA
8
Value Range
Function
V
DD
3V to 3.3V
10-14 V
Analog Outputs
V
REF
1 to V
REF
2
Analog Gamma Output Channels
B0 – B2
Bank Select
I/O’s
During normal ATT3209 operation the B0 –
B2 pins are outputs that output the result of
the temperature profile logic.
The B3-B5 inputs are the dynamic bank
select inputs. The state of DTSEL
determines whether the banks are arranged
as 8 banks of 4 profiles or 4 banks of 8
profiles.
Reference voltages for generating VGMA
outputs.
Outputs the current value of the selected
channel of the selected bank during
programming
Dual Function:
Programming mode - Input for VPP pulses
for adjusting the VGMA output values.
Digital mode – clock input for serial
interface.
Internally this input tied to ground through a
100K ohm resistor. The state of DTSEL
selects the five B inputs that will be used by
the ATT3209. DTSEL low configures the
array 4 banks of 8 temperature profiles.
DTSEL high configures the array 8 dynamic
banks of 4 temperature profiles.
Internally this input tied to ground through a
100K ohm resistor. Temperature sensor
input to the programmable temperature
profile array.
Internally this input tied to ground through a
100K ohm resistor. This input should be tied
directly to VCC for normal device operation.
OSC is an output used during test and will
be a no–connect during normal device
operation.
B3 – B5
Bank Select
CMOS inputs
V
REF
1/
V
REF
2
Input Reference
voltages
0-14 Volts
A
OUT
Analog Output
V
PP
Programming
Voltage
&
Serial Clock
10-14Volts
V
IL
to V
IH
DTSEL
Temperature
Profile Select
CMOS Input
VTEMP
Temperature
sensor input
ATTEN
ATT enable input
CMOS input
OSC
Oscillator output
BEN
Bank ENABLE
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