参数资料
型号: AD5422AREZ-REEL
厂商: Analog Devices Inc
文件页数: 4/44页
文件大小: 0K
描述: IC DAC 16BIT SRL 24TSSOP
设计资源: 16-Bit Fully Isolated Output Module Using AD5422 and ADuM1401 (CN0065)
Simplified 16-Bit Voltage Output and 4 mA-to-20 mA Output Solution Using AD5422 (CN0077)
标准包装: 2,500
设置时间: 25µs
位数: 16
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
电压电源: 模拟和数字,双 ±
功率耗散(最大): 950mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 24-TSSOP 裸露焊盘
包装: 带卷 (TR)
输出数目和类型: 1 电流,单极;1 电流,双极;1 电压,单极;1 电压,双极
采样率(每秒): 40k
AD5412/AD5422
Data Sheet
Rev. I | Page 12 of 44
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
9
10
12
11
DVCC
FAULT
GND
LATCH
CLEAR
CLEAR SELECT
AVSS
SCLK
SDIN
GND
SDO
20
21
22
23
24
19
18
17
16
15
14
13
–VSENSE
+VSENSE
VOUT
NC
NOTES
1. NC = NO CONNECT
2. THE PADDLE CAN BE CONNECTED TO 0V IF THE OUTPUT VOLTAGE RANGE
IS UNIPOLAR. THE PADDLE CAN BE LEFT ELECTRICALLY UNCONNECTED
PROVIDED THAT A SUPPLY CONNECTION IS MADE AT THE AVSS PIN. IT IS
RECOMMENDED THAT THE PADDLE BE THERMALLY CONNECTED TO A
COPPER PLANE FOR ENHANCED THERMAL PERFORMANCE.
IOUT
BOOST
CCOMP
DVCC SELECT
RSET
REFOUT
REFIN
AVDD
AD5412/
AD5422
TOP VIEW
(Not to Scale)
06996-
005
NOTES
1. NC = NO CONNECT.
2. THE EXPOSED PADDLE CAN BE CONNECTED TO 0V IF THE OUTPUT
VOLTAGE RANGE IS UNIPOLAR. THE EXPOSED PADDLE CAN BE LEFT
ELECTRICALLY UNCONNECTED PROVIDED THAT A SUPPLY CONNECTION
IS MADE AT THE AVSS PIN. IT IS RECOMMENDED THAT THE PADDLE BE
THERMALLY CONNECTED TO A COPPER PLANE FOR ENHANCED
THERMAL PERFORMANCE.
PIN 1
INDICATOR
1
NC
2
FAULT
3
GND
4
CLEAR SELECT
5
CLEAR
6
LATCH
7
SCLK
8
SDIN
9
SDO
10
NC
23 DVCC SELECT
24 CCOMP
25 NC
26 IOUT
27 BOOST
28 CAP1
29 CAP2
30 NC
22 NC
21 NC
1
NC
12
G
ND
13
G
ND
15
G
ND
17
RE
F
O
UT
16
R
SET
18
R
E
FIN
19
NC
20
NC
14
A
V
SS
33
+V
SEN
SE
34
–V
SEN
SE
35
NC
36
A
V
DD
37
A
V
SS
38
NC
39
DV
CC
40
NC
32
V
O
UT
31
NC
TOP VIEW
(Not to Scale)
AD5412/AD5422
06996-
006
Figure 5. TSSOP Pin Configuration
Figure 6. LFCSP Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
Mnemonic
Description
TSSOP
LFCSP
1
14, 37
AVSS
Negative Analog Supply Pin. Voltage ranges from –3 V to –24 V. This pin can be
connected to 0 V if the output voltage range is unipolar.
2
39
DVCC
Digital Supply Pin. Voltage ranges from 2.7 V to 5.5 V.
This pin can also be configured as a 4.5 V LDO output by leaving the DVCC SELECT pin floating.
3
2
FAULT
Fault Alert. This pin is asserted low when an open circuit is detected in current mode or
an overtemperature is detected. Open drain output must be connected to a pull-up resistor.
4, 12
3, 15
GND
These pins must be connected to 0 V.
18
1, 10, 11, 19, 20,
21, 22, 25, 30,
31, 35, 38, 40
NC
No Connection. Do not connect to these pins.
5
4
CLEAR
SELECT
Selects the voltage output clear value, either zero-scale or midscale code (see Table 21).
6
5
CLEAR
Active High Input. Asserting this pin sets the current output to the bottom of the selected
range or sets the voltage output to the user selected value (zero-scale or midscale).
7
6
LATCH
Positive Edge Sensitive Latch. A rising LATCH edge parallel loads the input shift register
data into the DAC register, also updating the output.
8
7
SCLK
Serial Clock Input. Data is clocked into the shift register on the rising edge of SCLK. This
operates at clock speeds of up to 30 MHz.
9
8
SDIN
Serial Data Input. Data must be valid on the rising edge of SCLK.
10
9
SDO
Serial Data Output. Used to clock data from the serial register in daisy-chain or readback
mode. Data is valid on the rising edge of SCLK (see Figure 3 and Figure 4).
11
12, 13
GND
Ground Reference Pin.
13
16
RSET
An external, precision, low drift 15 k current setting resistor can be connected to this
pin to improve the IOUT temperature drift performance. See the AD5412/AD5422 Features
section.
14
17
REFOUT
Internal Reference Voltage Output. REFOUT = 5 V ± 5 mV.
15
18
REFIN
External Reference Voltage Input. Reference input range is 4 V to 5 V. REFIN = 5 V for a
specified performance.
相关PDF资料
PDF描述
IDT49FCT3805PY IC CLK BUFFER 1:5 100MHZ 20-SSOP
AD5324ARM-REEL7 IC DAC 12BIT QUAD VOUT 10MSOP TR
LTC1448IS8#TR IC DAC 12BIT DUAL R-R MPWR 8SOIC
LTC1588IG#TRPBF IC DAC SOFTSPAN 12BIT 16-SSOP
CD4071BM IC 2-INPUT OR GATE 14-SOIC
相关代理商/技术参数
参数描述
AD5422BCPZ 制造商:AD 制造商全称:Analog Devices 功能描述:Single Channel, 16-Bit, Serial Input, Current Source & Voltage Output DAC
AD5422BCPZ-REEL 功能描述:IC DAC 16BIT SRL 40LFCSP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:47 系列:- 设置时间:2µs 位数:14 数据接口:并联 转换器数目:1 电压电源:单电源 功率耗散(最大):55µW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SSOP(0.209",5.30mm 宽) 供应商设备封装:28-SSOP 包装:管件 输出数目和类型:1 电流,单极;1 电流,双极 采样率(每秒):*
AD5422BCPZ-REEL7 功能描述:IC DAC 16BIT SRL 40LFCSP 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:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 设置时间:4µs 位数:12 数据接口:串行 转换器数目:2 电压电源:单电源 功率耗散(最大):- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商设备封装:8-uMAX 包装:管件 输出数目和类型:2 电压,单极 采样率(每秒):* 产品目录页面:1398 (CN2011-ZH PDF)
AD5422BREZ 功能描述:IC DAC 16BIT 1CH 24TSSOP 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:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 设置时间:4µs 位数:12 数据接口:串行 转换器数目:2 电压电源:单电源 功率耗散(最大):- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商设备封装:8-uMAX 包装:管件 输出数目和类型:2 电压,单极 采样率(每秒):* 产品目录页面:1398 (CN2011-ZH PDF)
AD5422BREZ-REEL 功能描述:IC DAC 16BIT 1CH SRL INP 24TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:47 系列:- 设置时间:2µs 位数:14 数据接口:并联 转换器数目:1 电压电源:单电源 功率耗散(最大):55µW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SSOP(0.209",5.30mm 宽) 供应商设备封装:28-SSOP 包装:管件 输出数目和类型:1 电流,单极;1 电流,双极 采样率(每秒):*