参数资料
型号: ADS1240E/1K
厂商: Texas Instruments
文件页数: 26/30页
文件大小: 0K
描述: IC ADC 24-BIT SER PROGBL 24-SSOP
产品培训模块: Data Converter Basics
视频文件: Nuts and Bolts of the Delta-Sigma Converter
标准包装: 1,000
位数: 24
采样率(每秒): 15
数据接口: 串行,SPI?
转换器数目: 1
功率耗散(最大): 1.9mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.209",5.30mm 宽)
供应商设备封装: 24-SSOP
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极;2 个差分,单极
ADS1240, 1241
5
SBAS173F
www.ti.com
PIN CONFIGURATION (ADS1240)
PIN
NUMBER
NAME
DESCRIPTION
1DVDD
Digital Power Supply
2
DGND
Digital Ground
3XIN
Clock Input
4XOUT
Clock Output, used with external crystals.
5
RESET
Active LOW, resets the entire device.
6
DSYNC
Active LOW, Synchronization Control
7
PDWN
Active LOW, Power Down. The power down func-
tion shuts down the analog and digital circuits.
8
DGND
Digital Ground
9VREF+
Positive Differential Reference Input
10
VREF–
Negative Differential Reference Input
11
AIN0/D0
Analog Input 0 / Data I/O 0
12
AIN1/D1
Analog Input 1 / Data I/O 1
13
AIN2/D2
Analog Input 2 / Data I/O 2
14
AIN3/D3
Analog Input 3 / Data I/O 3
15
AINCOM
Analog Input Common, connect to AGND if unused.
16
AGND
Analog Ground
17
AVDD
Analog Power Supply
18
POL
Serial Clock Polarity
19
CS
Active LOW, Chip Select
20
DIN
Serial Data Input, Schmitt Trigger
21
DOUT
Serial Data Output
22
SCLK
Serial Clock, Schmitt Trigger
23
DRDY
Active LOW, Data Ready
24
BUFEN
Buffer Enable
PIN DESCRIPTIONS (ADS1240)
ADS1240
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
DV
DD
DGND
X
IN
X
OUT
RESET
DSYNC
PDWN
DGND
V
REF+
V
REF–
A
IN0/D0
A
IN1/D1
BUFEN
DRDY
SCLK
D
OUT
D
IN
CS
POL
AV
DD
AGND
A
INCOM
A
IN3/D3
A
IN2/D2
PIN CONFIGURATION (ADS1241)
ADS1241
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DV
DD
DGND
X
IN
X
OUT
RESET
DSYNC
PDWN
DGND
V
REF+
V
REF–
A
IN0/D0
A
IN1/D1
A
IN4/D4
A
IN5/D5
BUFEN
DRDY
SCLK
D
OUT
D
IN
CS
POL
AV
DD
AGND
A
INCOM
A
IN3/D3
A
IN2/D2
A
IN7/D7
A
IN6/D6
PIN
NUMBER
NAME
DESCRIPTION
1DVDD
Digital Power Supply
2
DGND
Digital Ground
3XIN
Clock Input
4XOUT
Clock Output, used with external crystals.
5
RESET
Active LOW, resets the entire device.
6
DSYNC
Active LOW, Synchronization Control
7
PDWN
Active LOW, Power Down. The power down func-
tion shuts down the analog and digital circuits.
8
DGND
Digital Ground
9VREF+
Positive Differential Reference Input
10
VREF–
Negative Differential Reference Input
11
AIN0/D0
Analog Input 0 / Data I/O 0
12
AIN1/D1
Analog Input 1 / Data I/O 1
13
AIN4/D4
Analog Input 4 / Data I/O 4
14
AIN5/D5
Analog Input 5 / Data I/O 5
15
AIN6/D6
Analog Input 6 / Data I/O 6
16
AIN7/D7
Analog Input 7 / Data I/O 7
17
AIN2/D2
Analog Input 2 / Data I/O 2
18
AIN3/D3
Analog Input 3 / Data I/O 3
19
AINCOM
Analog Input Common, connect to AGND if unused.
20
AGND
Analog Ground
21
AVDD
Analog Power Supply
22
POL
Serial Clock Polarity
23
CS
Active LOW, Chip Select
24
DIN
Serial Data Input, Schmitt Trigger
25
DOUT
Serial Data Output
26
SCLK
Serial Clock, Schmitt Trigger
27
DRDY
Active LOW, Data Ready
28
BUFEN
Buffer Enable
PIN DESCRIPTIONS (ADS1241)
Top View
SSOP
Top View
SSOP
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