参数资料
型号: AD5254BRUZ1-RL7
厂商: Analog Devices Inc
文件页数: 9/32页
文件大小: 0K
描述: IC DGTL POT QUAD 1K 20-TSSOP
标准包装: 1,000
接片: 256
电阻(欧姆): 1k
电路数: 4
温度系数: 标准值 650 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 2.7 V ~ 5.5 V,±2.25 V ~ 2.75 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
Data Sheet
AD5253/AD5254
Rev. C | Page 17 of 32
From Master to Slave
From Slave to Master
S = start condition
P = stop condition
A = acknowledge (SDA low)
A = not acknowledge (SDA high)
AD1, AD0 = I2C device address bits, must match with the logic states at Pins AD1, AD0
R/W = read enable bit at logic high; write enable bit at logic low
CMD/REG = command enable bit at logic high; register access bit at logic low
C3, C2, C1, C0 = command bits
A2, A1, A0 = RDAC/EEMEM register addresses
1 READ
03824-0-009
S
0
1
0
1
A
D
1
A
D
0
1
A
P
A
RDAC_N OR EEMEM_N
REGISTER DATA
RDAC_N + 1 OR EEMEM_N + 1
REGISTER DATA
SLAVE ADDRESS
(N BYTES + ACKNOWLEDGE)
A
Figure 29. RDAC Current Read (Restricted to Previously Selected Address Stored in the Register)
P
S
SLAVE ADDRESS
0 WRITE
SLAVE ADDRESS
INSTRUCTIONAL AND
ADDRESS
A
1
S
03824-0-010
REPEATED START
1 READ
A
0
A
(N BYTES + ACKNOWLEDGE)
RDAC OR
EEMEM DATA
A/A
Figure 30. RDAC or EEMEM Random Read
0 WRITE
03824-0-011
1 CMD
S
0
1
0
1
A
D
1
A
D
0
A
C
3
C
2
C
1
C
0
A
2
A
1
A
0
A
P
RDAC SLAVE ADDRESS
CMD/
REG
Figure 31. RDAC Quick Command Write (Dummy Write)
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