参数资料
型号: AD5326ARU-REEL7
厂商: Analog Devices Inc
文件页数: 21/24页
文件大小: 0K
描述: IC DAC 12BIT QUAD W/BUFF 16TSSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1,000
设置时间: 8µs
位数: 12
数据接口: I²C,串行
转换器数目: 4
电压电源: 单电源
功率耗散(最大): 4.5mW
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
输出数目和类型: 4 电压,单极;4 电压,双极
采样率(每秒): 125k
AD5306/AD5316/AD5326
Rev. F | Page 6 of 24
TIMING CHARACTERISTICS1
VDD = 2.5 V to 5.5 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 3.
A, B Versions
Limit at TMIN, TMAX
Unit
Conditions/Comments
t1
2.5
μs min
SCL cycle time
t2
0.6
μs min
tHIGH, SCL high time
t3
1.3
μs min
tLOW, SCL low time
t4
0.6
μs min
tHD,STA, start/repeated start condition hold time
t5
100
ns min
tSU,DAT, data setup time
t63
0.9
μs max
tHD,DAT, data hold time
0
μs min
t7
0.6
μs min
tSU,STA, setup time for repeated start
t8
0.6
μs min
tSU,STO, stop condition setup time
t9
1.3
μs min
tBUF, bus free time between a stop and a start condition
t10
300
ns max
tR, rise time of SCL and SDA when receiving
0
ns min
tR, rise time of SCL and SDA when receiving (CMOS compatible)
t11
250
ns max
tF, fall time of SDA when transmitting
0
ns min
tF, fall time of SDA when receiving (CMOS compatible)
300
ns max
tF, fall time of SCL and SDA when receiving
20 + 0.1CB4
ns min
tF, fall time of SCL and SDA when transmitting
t12
20
ns min
LDAC pulse width
t13
400
ns min
SCL rising edge to LDAC rising edge
400
pF max
Capacitive load for each bus line
1 See Figure 2.
2 Guaranteed by design and characterization; not production tested.
3 A master device must provide a hold time of at least 300 ns for the SDA signal (referred to the VIH min of the SCL signal) to bridge the undefined region of SCL’s
falling edge.
4 CB is the total capacitance of one bus line in pF. tR and tF measured between 0.3 VDD and 0.7 VDD.
SCL
SDA
t1
t3
LDAC1
LDAC2
START
CONDITION
REPEATED START
CONDITION
STOP
CONDITION
NOTES
1ASYNCHRONOUS LDAC UPDATE MODE.
2SYNCHRONOUS LDAC UPDATE MODE.
t4
t6
t5
t7
t8
t2
t13
t4
t11
t10
t12
t9
02066-002
Figure 2. 2-Wire Serial Interface Timing Diagram
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