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參數資料
| 型號： | TMC3503R2C50T |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, 8 BITS INPUT LOADING, 0.015 us SETTLING TIME, 8-BIT DAC, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數： | 13/17頁 |
| 文件大小： | 106K |
| 代理商： | TMC3503R2C50T |
PRODUCT SPECIFICATION
TMC3503
REV. 1.02 11/24/99
5
Equivalent Circuits
Figure 2. Equivalent Digital Input Circuit Figure 3. Equivalent Analog Output Circuit
RREF
36
42
590
Current-setting Resistor. The full-scale output current of each
D/A converter is determined by the value of the resistor
connected between RREF and GND. The nominal value for
RREF is found from:
RREF = 9.1 (VREF/IFS)
where IFS is the full-scale (white) output current (amps) from the
D/A converter (without sync). Sync is 0.4 IFS.
D/A full-scale (white) current may also be calculated from:
IFS = VFS/RL
Where VFS is the white voltage level and RL is the total resistive
load (ohms) on each D/A converter. VFS is the blank to full-scale
voltage.
COMP
34
40
0.1 F
Compensation Capacitor. A 0.1 F ceramic capacitor must be
connected between COMP and VDD to stabilize internal bias
circuitry.
Power, Ground
VDD
12, 30, 31 17, 34–36
+5 V
Power Supply.
GND
1, 14, 15,
27, 28, 38,
39, 48
29–32
0.0V
Ground.
NC
13, 24, 25,
37
——
No Connect
Pin
Name
Pin Number
Value
Pin Function Description
LQFP
PLCC
np
OUT
GND
27013B
VDD
Digital
Input
VDD
p
n
27014D
GND
Pin Descriptions (continued)
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| TMC3503R2C80 | 功能描述:數字化視頻/模擬轉換器集成電路 50Mhz Video D/a Conv Triple 8Bit RoHS:否 制造商:Texas Instruments 轉換器數量:3 輸出類型:Current 轉換速率:180 MSPs 分辨率:10 bit 接口類型:Parallel 電壓參考:Internal or External 積分非線性:- 2.5 LSB, 1.5 LSB 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:HTQFP 封裝:Tray |
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