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| 型号： | AD8555ACPZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 13/28页 |
| 文件大小： | 0K |
| 描述： | IC AMP CHOPPER 2MHZ 10MA 16LFCSP |
| 标准包装： | 1 |
| 系列： | DigiTrim® |
| 放大器类型： | 断路器（零漂移） |
| 电路数： | 1 |
| 转换速率： | 1.2 V/µs |
| 增益带宽积： | 2MHz |
| 电流 - 输入偏压： | 16nA |
| 电压 - 输入偏移： | 2µV |
| 电流 - 电源： | 2mA |
| 电流 - 输出 / 通道： | 10mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VQFN 裸露焊盘，CSP |
| 供应商设备封装： | 16-LFCSP-VQ |
| 包装： | 标准包装 |
| 产品目录页面： | 771 (CN2011-ZH PDF) |
| 其它名称： | AD8555ACPZ-REEL7DKR |
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AD8555
Rev. A | Page 20 of 28
04598-0-003
CODE
01
0
1
WAVEFORM
tW0
tWS
tW0
tWS
tW0
tWS
tW1
Figure 51. Timing Diagram for Code 010011
Table 10. Timing Specifications
Timing Parameter
Description
Specification
tw0
Pulse Width for Loading 0 into Shift Register
Between 50 ns and 10 μs
tw1
Pulse Width for Loading 1 into Shift Register
≥50 μs
tws
Width between Pulses
≥10 μs
Table 11. 38-Bit Serial Word Format
Field No.
Bits
Description
Field 0
Bits 0 to 11
12-Bit Start of Packet 1000 0000 0001
Field 1
Bits 12 to 13
2-Bit Function
00: Change Sense Current
01: Simulate Parameter Value
10: Program Parameter Value
11: Read Parameter Value
Field 2
Bits 14 to 15
2-Bit Parameter
00: Second Stage Gain Code
01: First Stage Gain Code
10: Output Offset Code
11: Other Functions
Field 3
Bits 16 to 17
2-Bit Dummy 10
Field 4
Bits 18 to 25
8-Bit Value
Parameter 00 (Second Stage Gain Code): 3 LSBs Used
Parameter 01 (First Stage Gain Code): 7 LSBs Used
Parameter 10 (Output Offset Code): All 8 Bits Used
Parameter 11 (Other Functions)
Bit 0 (LSB): Master Fuse
Bit 1: Fuse for Production Test at Analog Devices
Bit 2: Parity Fuse
Field 5
Bits 26 to 37
12-Bit End of Packet 0111 1111 1110
A 38-bit serial word is used, divided into 6 fields. Assuming
each bit can be loaded in 60 μs, the 38-bit serial word transfers
in 2.3 ms. Table 11 summarizes the word format.
Fields 0 and 5 are the start of packet and end of packet field,
respectively. Matching the start of packet field with 1000 0000
0001 and the end of packet field with 0111 1111 1110 ensures
that the serial word is valid and enables decoding of the other
fields. Field 3 breaks up the data and ensures that no data com-
bination can inadvertently trigger the start of packet and end of
packet fields. Field 0 should be written first and Field 5 written
last. Within each field, the MSB must be written first and the
LSB written last. The shift register features power-on reset to
minimize the risk of inadvertent programming; power-on reset
occurs when VDD is between 0.7 V and 2.2 V.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8555ACPZ-REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:Zero-Drift, Digitally Programmable Sensor Signal Amplifier |
| AD8555AR | 制造商:Analog Devices 功能描述:SP Amp Current Sense Amp Single R-R I/O 5.5V 8-Pin SOIC N Tube 制造商:Analog Devices 功能描述:2.7V to 5.5V 1 2MHz vAv 8SOIC Bulk 制造商:Analog Devices 功能描述:AMP Z-DRIFT PROG GAIN 8555 SOIC8 |
| AD8555AR-EVAL | 制造商:Analog Devices 功能描述:Evaluation Board For Zero-Drift, Digitally Programmable Sensor Signal Amplifier |
| AD8555AR-REEL | 制造商:Analog Devices 功能描述:SP Amp Current Sense Amp Single R-R I/O 5.5V 8-Pin SOIC N T/R |
| AD8555AR-REEL7 | 制造商:Analog Devices 功能描述:SP Amp Current Sense Amp Single R-R I/O 5.5V 8-Pin SOIC N T/R |
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