参数资料
型号: LTC1298IN8#PBF
厂商: Linear Technology
文件页数: 22/24页
文件大小: 0K
描述: IC A/D CONV SAMPLING 12BIT 8-DIP
标准包装: 50
位数: 12
采样率(每秒): 11.1k
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
功率耗散(最大): 1.8mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
输入数目和类型: 2 个单端,单极
7
LTC1286/LTC1298
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
TEMPERATURE (°C)
–55
CLOCK
FREQUENCY
(kHz)
100
150
25
45
65
85
LT1286/98 G14
50
0
–35
–15
5
200
VCC = VREF = 5V
SUPPLY VOLTAGE (V)
3
1
DIGITAL
LOGIC
THRESHOLD
VOLTAGE
(V)
2
3
45
6
7
LTC 1286/98 G17
89
TA = 25°C
TEMPERATURE (°C)
–60
LEAKAGE
CURRENT
(nA)
1000
100
10
1
0.1
0.01
100
1196/98 G19
–20
20
60
140
–40
0
40
80
120
VCC = 5V
VREF = 5V
ON CHANNEL
OFF CHANNEL
Input Channel Leakage Current
vs Temperature
Digital Input Logic Threshold
vs Supply Voltage
Minimum Clock Frequency
for 0.1 LSB Error vs Temperature
PIN FUNCTIONS
UU
U
LTC1286
VREF (Pin 1): Reference Input. The reference input defines
the span of the A/D converter.
IN+ (Pin 2): Positive Analog Input.
IN (Pin 3): Negative Analog Input.
GND (Pin 4): Analog Ground. GND should be tied directly
to an analog ground plane.
CS/SHDN (Pin 5): Chip Select Input. A logic low on this
input enables the LTC1286. A logic high on this input
disables and powers down the LTC1286.
DOUT (Pin 6): Digital Data Output. The A/D conversion
result is shifted out of this output.
CLK (Pin 7): Shift Clock. This clock synchronizes the serial
data transfer and determines conversion speed.
VCC (Pin 8): Power Supply Voltage. This pin provides
power to the A/D converter. It must be kept free of noise
and ripple by bypassing directly to the analog ground
plane.
LTC1298
CS/SHDN (Pin 1): Chip Select Input. A logic low on this
input enables the LTC1298. A logic high on this input
disables and powers down the LTC1298.
CH0 (Pin 2): Analog Input.
CH1 (Pin 3): Analog Input.
GND (Pin 4): Analog Ground. GND should be tied directly
to an analog ground plane.
DIN (Pin 5): Digital Data Input. The multiplexer address is
shifted into this input.
DOUT (Pin 6): Digital Data Output. The A/D conversion
result is shifted out of this output.
CLK (Pin 7): Shift Clock. This clock synchronizes the
serial data transfer and determines conversion speed.
VCC/VREF (Pin 8): Power Supply and Reference Voltage.
This pin provides power and defines the span of the A/D
converter. It must be kept free of noise and ripple by
bypassing directly to the analog ground plane.
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