参数资料
型号: TMS57014ADWBLE
厂商: TEXAS INSTRUMENTS INC
元件分类: DAC
英文描述: DUAL, SERIAL INPUT LOADING, 18-BIT DAC, PDSO28
封装: PLASTIC, SOIC-28
文件页数: 5/17页
文件大小: 250K
代理商: TMS57014ADWBLE
TMS57014A
DUAL AUDIO DIGITAL-TO-ANALOG CONVERTER
SLAS077D – SEPTEMBER 1993 – REVISED NOVEMBER 1995
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Table 5. A-Weighted Data
FREQUENCY
A WEIGHTING (dB)
FREQUENCY
A WEIGHTING (dB)
25
– 44.6
±2
800
– 0.1
±1
31.5
– 39.2
±2
1000
0
±0
40
– 34.5
±2
1250
0.6
±1
50
– 30.2
±2
1600
1.0
±1
63
– 26.1
±2
2000
1.2
±1
80
– 22.3
±2
2500
1.2
±1
100
– 19.1
±1
3150
1.2
±1
125
– 16.1
±1
4000
1.0
±1
160
– 13.2
±1
5000
0.5
±1
200
– 10.8
±1
6300
– 0.1
±1
250
– 8.6
±1
8000
– 1.1
±1
315
– 6.5
±1
10000
– 2.4
±1
400
– 4.8
±1
12500
– 4.2
±2
500
– 3.2
±1
16000
– 6.5
±2
630
– 1.9
±1
20
100
1 k
10 k 20 k
Attenuation
dB
–10
–20
–30
–50
–40
0
10
f – Signal Frequency – Hz
Figure 10. A-Weighted Function
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