参数资料
| 型号： | AD1866RZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC DAC AUDIO 16BIT DUAL 16SOIC |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 47 |
| 位数： | 16 |
| 数据接口： | 串行 |
| 转换器数目： | 2 |
| 电压电源： | 模拟和数字 |
| 功率耗散（最大）： | 70mW |
| 工作温度： | -35°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
| 输出数目和类型： | 2 电压，双极 |
| 采样率（每秒）： | * |
AD1866–Digital Circuit Considerations
REV. 0
–8–
L
S
B
M
S
B
M
S
B
L
S
B
CLK
DL
DR
LL
LR
Figure 9. AD1866 Control Signals
INPUT DATA
The digital input port of the AD1866 employs five signals: Data
Left (DL), Data Right (DR), Latch Left (LL), Latch Right
(LR), and Clock (CLK). DL and DR are the serial inputs for
the left and right DACs, respectively. Input data bits are clocked
into the input register on the rising edge of CLK. The falling
edges of LL and LR cause the last 16 bits which were clocked
into the serial registers to be shifted into the DACs, thereby up-
dating the respective DAC outputs. For systems using only a
single latch signal, LL and LR may be connected together. For
systems using only one DATA signal, DR and DL may be con-
nected together. Data is transmitted to the AD1866 in a bit
stream composed of 16-bit words with a serial, twos comple-
ment, MSB first format. Left and right channels share the Clock
(CLK) signal.
Figure 9 illustrates the general signal requirements for data
transfer for the AD1866.
TIMING
Figure 10 illustrates the specific timing requirements that must
be met in order for the data transfer to be accomplished prop-
erly. The input pins of the AD1866 are both TTL and +5 V
CMOS compatible.
>30ns
>10ns
>30ns
>15ns
>40ns
DR/DL
CLK
LR/LL
>67ns
>40ns
Figure 10. AD1866 Input Signal Timing
The maximum clock rate of the AD1866 is specified to be at
least 13.5 MHz. This clock rate allows data transfer rates of 2
×,
4
×, 8×, and 16× F
S (where FS equals 44.1 kHz). The applica-
tions section of this data sheet contains additional guidelines for
using the AD1866.
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相关代理商/技术参数 |
参数描述 |
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| AD1866RZ-REEL | 功能描述:IC DAC AUDIO DUAL SGL 16SOIC 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 |
| AD1868 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single Supply Dual 18-Bit Audio DAC |
| AD1868N | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 18-bit 16-Pin PDIP Tube 制造商:Rochester Electronics LLC 功能描述:IC, MONO 18-BIT AUDIO DAC - Bulk 制造商:Analog Devices 功能描述:18BIT DAC DUAL AUDIO 1868 DIP16 |
| AD1868N-J | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 18-bit 16-Pin PDIP Tube 制造商:Analog Devices 功能描述:DAC 2CH R-2R 18BIT 16PDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:IC, MONO 18-BIT AUDIO DAC - Bulk |
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