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參數(shù)資料
| 型號(hào)： | AD7628KRZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 8/8頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC DUAL 8BIT BUFFERED 20SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 設(shè)置時(shí)間： | 400ns |
| 位數(shù)： | 8 |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 450mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電流，單極；2 電流，雙極 |
| 采樣率（每秒）： | 2.9M |
AD7628
–8–
REV. A
MECHANICAL INFORMATION
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
C1029a–8–3/88
PRINTED
IN
U.S.A.
DIGITALLY CONTROLLED DUAL
TELEPHONE ATTENUATOR
In this configuration, the AD7628 functions as a 2-channel
digitally controlled attenuator; ideal for stereo audio and tele-
phone signal level control applications. Table IV gives input
codes vs. attenuation for a 0 dB to 15.5 dB range.
Input Code = 256
× 10 exp
Attenuation, dB
20
Figure 15. Digitally Controlled Dual Telephone Attenuator
Table IV. Attenuation vs. DAC A, DAC B Code for the
Circuit of Figure 15
DAC Input
Code in
DAC Input
Code in
Attn. dB Code
Decimal Attn. dB
Code
Decimal
0.0
1 1 1 1 1 1 1 1
255
8.0
0 1 1 0 0 1 1 0
102
0.5
1 1 1 1 0 0 1 0
242
8.5
0 1 1 0 0 0 0 0
96
1.0
1 1 1 0 0 1 0 0
228
9.0
0 1 0 1 1 0 1 1
91
1.5
1 1 0 1 0 1 1 1
215
9.5
0 1 0 1 0 1 1 0
86
2.0
1 1 0 0 1 0 1 1
203
10.0
0 1 0 1 0 0 0 1
81
2.5
1 1 0 0 0 0 0 0
192
10.5
0 1 0 0 1 1 0 0
76
3.0
1 0 1 1 0 1 0 1
181
11.0
0 1 0 0 1 0 0 0
72
3.5
1 0 1 0 1 0 1 1
171
11.5
0 1 0 0 0 1 0 0
68
4.0
1 0 1 0 0 0 1 0
162
12.0
0 1 0 0 0 0 0 0
64
4.5
1 0 0 1 1 0 0 0
152
12.5
0 0 1 1 1 1 0 1
61
5.0
1 0 0 1 0 0 0 0
144
13.0
0 0 1 1 1 0 0 1
57
5.5
1 0 0 0 1 0 0 0
136
13.5
0 0 1 1 0 1 1 0
54
6.0
1 0 0 0 0 0 0 0
128
14.0
0 0 1 1 0 0 1
51
6.5
0 1 1 1 0 0 1
121
14.5
0 0 1 1 0 0 0 0
48
7.0
0 1 1 1 0 0 1 0
114
15.0
0 0 1 0 1 1 1 0
46
7.5
0 1 1 0 1 1 0 0
108
15.5
0 0 1 0 1 0 1 1
43
20-Pin Cerdip (Q Suffix)
20-Pin Plastic DIP (N Suffix)
20-Terminal
Leadless Chip
Carrier (E Suffix)
20-Terminal
Plastic Leaded
Chip Carrier (P Suffix)
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相關(guān)代理商/技術(shù)參數(shù) |
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| AD7628TE | 制造商:Rochester Electronics LLC 功能描述:CMOS DUAL 8 BIT D/A CONV - Bulk |
| AD7628TQ | 制造商:Rochester Electronics LLC 功能描述:CMOS DUAL 8 BIT D/A CONVE - Bulk |
| AD7628TQ/883B | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 8-bit 20-Pin CDIP Tube 制造商:Analog Devices 功能描述:DAC 2CH R-2R 8BIT 20CDIP - Rail/Tube |
| AD7630ACP | 制造商:Analog Devices 功能描述:500KSPS 18-BIT ADC S/W PROG. INPUT RANGES - Bulk |
| AD7630AST | 制造商:Analog Devices 功能描述:500KSPS 18-BIT ADC S/W PROG. INPUT RANGES - Bulk |
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