参数资料
| 型号： | AD7528LNZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/8页 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT DUAL MULTIPLY 20-DIP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 18 |
| 设置时间： | 400ns |
| 位数： | 8 |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 450mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-PDIP |
| 包装： | 管件 |
| 输出数目和类型： | 2 电流，单极；2 电流，双极 |
AD7528
REV. B
–8–
C681e–0–9/98
PRINTED
IN
U.S.A.
DIGITALLY CONTROLLED DUAL TELEPHONE
ATTENUATOR
In this configuration the AD7528 functions as a 2-channel digi-
tally controlled attenuator. Ideal for stereo audio and telephone
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
VIN B
VOUT A
VIN A
DATA BUS
DAC A/DAC B
CS
WR
AD7528
DB0
DB7
DAC A
DAC B
VDD
VOUT B
A1
A2
SUGGESTED
OP AMP: AD644
Figure 15. Digitally Controlled Dual Telephone Attenuator
Table IV. Attenuation vs. DAC A, DAC B Code for the Circuit
of Figure 15
Attn. DAC Input
Code In
Attn. DAC Input
Code In
dB
Code
Decimal
dB
Code
Decimal
0.0
1 1 1 1 1 1 1 1
255
88.0
0 1 1 0 0 1 1 0
102
0.5
1 1 1 1 0 0 1 0
242
88.5
0 1 1 0 0 0 0 0
96
1.0
1 1 1 0 0 1 0 0
228
89.0
0 1 0 1 1 0 1 1
91
1.5
1 1 0 1 0 1 1 1
215
89.5
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 1
51
6.5
0 1 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
For further applications information the reader is referred to
Analog Devices Application Note on the AD7528.
20-Lead Cerdip (Q-20)
0.97 (24.64)
0.935 (23.75)
SEATING
PLANE
0.02 (0.5)
0.016 (0.41)
0.07 (1.78)
0.05 (1.27)
0.15 (3.8)
0.125 (3.18)
0.20 (5.0)
0.14 (3.56)
0.11 (2.79)
0.09 (2.28)
20
110
11
0.28 (7.11)
0.24 (6.1)
PIN 1
0.14 (3.56)
0.125 (3.17)
15
0
0.32 (8.128)
0.29 (7.366)
0.011 (0.28)
0.009 (0.23)
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH
LEADS ARE SOLDER OR TIN-PLATED KOVAR OR ALLOY 42
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
20-Lead Plastic DIP (N-20)
SEATING
PLANE
0.021 (0.533)
0.015 (0.381)
0.065 (1.66)
0.045 (1.15)
0.11 (2.79)
0.09 (2.28)
0.145 (3.683)
MIN
0.125 (3.175)
MIN
20
110
11
PIN 1
1.07 (27.18) MAX
0.255 (6.477)
0.245 (6.223)
0.32 (8.128)
0.30 (7.62)
0.011 (0.28)
0.009 (0.23)
0.135 (3.429)
0.125 (3.17)
15
0
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH
LEADS ARE SOLDER OR TIN-PLATED KOVAR OR ALLOY 42
20-Lead SOIC (R-20)
SEATING
PLANE
0.0118 (0.30)
0.0040 (0.10)
0.0192 (0.49)
0.0138 (0.35)
0.1043 (2.65)
0.0926 (2.35)
0.0500
(1.27)
BSC
0.0125 (0.32)
0.0091 (0.23)
0.0500 (1.27)
0.0157 (0.40)
8
0
0.0291 (0.74)
0.0098 (0.25)
45
11
20
10
1
0.5118 (13.00)
0.4961 (12.60)
0.4193 (10.65)
0.3937 (10.00)
0.2992 (7.60)
0.2914 (7.40)
PIN 1
20-Lead Plastic Leaded Chip Carrier (P-20A)
0.021 (0.53)
0.013 (0.33)
0.032 (0.81)
0.026 (0.66)
0.180 (4.47)
0.165 (4.19)
0.12 (3.05)
0.09 (2.29)
0.020 (0.51) MIN
0.025 (0.64)
MIN
0.060 (1.53)
MIN
3
PIN 1
IDENTIFIER
4
19
18
8
9
14
13
TOP VIEW
(PINS DOWN)
0.356 (9.04)
0.350 (8.89)
SQ
0.048 (1.21)
0.042 (1.07)
0.02
(0.51)
MAX
0.050
(1.27)
BSC
0.02 (0.51)
MAX
0.395 (10.02)
0.385 (9.78)
SQ
相关PDF资料 |
PDF描述 |
|---|---|
| AD7225LR | IC DAC 8BIT QUAD W/AMP 24-SOIC |
| AD5570ARSZ-REEL | IC DAC 16BIT SERIAL IN 16SSOP |
| VI-2TK-IV-F4 | CONVERTER MOD DC/DC 40V 150W |
| VI-2TJ-IV-F3 | CONVERTER MOD DC/DC 36V 150W |
| VI-2TH-IV-F1 | CONVERTER MOD DC/DC 52V 150W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7528LNZ | 制造商:Analog Devices 功能描述:IC CMOS CONVERTER |
| AD7528LP | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 8-bit 20-Pin PLCC 制造商:Rochester Electronics LLC 功能描述:CMOS CONVERTER IC - Bulk |
| AD7528LPZ | 功能描述:IC DAC 8BIT DUAL MULT 20PLCC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
| AD7528LR | 功能描述:IC DAC 8BIT DUAL MULTIPLY 20SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k |
| AD7528LR-REEL | 制造商:Rochester Electronics LLC 功能描述:8-BIT DUAL CMOS DAC IC - Tape and Reel 制造商:Analog Devices 功能描述:IC DAC 8BIT DUAL MULT 20SOIC 制造商:Analog Devices Inc. 功能描述:Digital to Analog Converters - DAC 8 BIT DUAL CMOS DAC IC 制造商:Analog Devices 功能描述:CONVERTER - DAC |
发布紧急采购，3分钟左右您将得到回复。