參數(shù)資料
型號(hào): LTC1285CN8
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 3V Micropower Sampling 12-Bit A/D Converters in SO-8 Packages
中文描述: 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8
封裝: PLASTIC, DIP-8
文件頁(yè)數(shù): 7/24頁(yè)
文件大?。?/td> 412K
代理商: LTC1285CN8
7
LTC1285/LTC1288
LTC1285
V
REF
(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 LTC1285. A logic high on this input
disables and powers down the LTC1285.
D
OUT
(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.
V
CC
(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.
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Minimum Clock Frequency
for 0.1 LSB Error vs Temperature
TEMPERATURE (°C)
0
C
80
100
120
40
LTC1285/88 TPC22
60
40
0
10
20
30
60
70
50
20
2
V
CC
= 2.7V
V
REF
= 2.5V
TEMPERATURE (°C)
–55
L
10
100
1000
105
LTC1285/88 TPC24
1
0.1
0.01
–15
25
65
–35
125
5
45
85
V
CC
= 2.7V
V
REF
= 2.5V
ON CHANNEL
OFF CHANNEL
Input Channel Leakage Current
vs Temperature
Digital Input Logic Threshold
vs Supply Voltage
SUPPLY VOLTAGE (V)
2.5
D
2.0
2.5
3.0
4.0
5.0
LTC1285/88 TPC23
1.5
1.0
3.0
3.5
4.5
5.5
6.0
0.5
0
T
A
= 25°C
PI
FU
N
CTIO
N
S
U
LTC1288
CS/SHDN (Pin 1):
Chip Select Input. A logic low on this
input enables the LTC1288. A logic high on this input
disables and powers down the LTC1288.
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.
D
IN
(Pin 5):
Digital Data Input. The multiplexer address is
shifted into this input.
D
OUT
(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.
V
CC
/V
REF
(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.
相關(guān)PDF資料
PDF描述
LTC1285CS8 3V Micropower Sampling 12-Bit A/D Converters in SO-8 Packages
LTC1288 Single Channel Codec-Bandwidth Independent of Sampling Rate 28-PLCC 0 to 70
LTC1288CS8 3V Micropower Sampling 12-Bit A/D Converters in SO-8 Packages
LTC1289BC 3 Volt Single Chip 12-Bit Data Acquisition System
LTC1289CCJ 3 Volt Single Chip 12-Bit Data Acquisition System
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