AMBIENT TEMPERATURE, TA (°C) –50 CONVERSION TIME/CONVERSION TIME AT 25" />
參數(shù)資料
型號(hào): LTC1099CSW#TR
廠商: Linear Technology
文件頁數(shù): 11/16頁
文件大?。?/td> 0K
描述: IC ADC 8BIT SAMPL/HOLD HS 20SOIC
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 8
采樣率(每秒): 400k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 3
功率耗散(最大): 55mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極
LTC1099
4
AMBIENT TEMPERATURE, TA (°C)
–50
CONVERSION
TIME/CONVERSION
TIME
AT
25
°C
CONVERSION
TIME
(
s)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
4.5
4.0
3.5
3.0
2.5
2.0
1.5
25
75
1099 G07
–25
0
50
100
125
INPUT FREQUENCY (kHz)
1
SIGNAL-TO-NOISE
RATIO,
SNR
(dB)
–36
–38
–40
–42
–44
–46
–48
–50
–52
10
100
1099 G08
TA = 25°C
TC = 2.5s
Conversion Time vs Temperature
Signal-to-Noise Ratio (SNR) vs
Input Frequency
TYPICAL PERFOR A CE CHARACTERISTICS
UW
AMBIENT TEMPERATURE, TA (°C)
20
18
16
14
12
10
8
6
4
2
0
SUPPLY
CURRENT,
I
CC
(mA)
1099 G01
– 50
– 25
0
25
50
75
100
125
REFERENCE VOLTAGE, VREF (V)
0
V
OS
ERROR
(LSB)
2
4
5
4
3
2
1
0
1099 G02
13
TA = 25°C
TC = 2.5s
VOS Error vs Reference Voltage
Linearity Error vs Reference
Voltage
Supply Current vs Temperature
REFERENCE VOLTAGE, VREF (V)
0
LINEARITY
ERROR
(LBS)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
4
1099 G03
1
2
3
5
TA = 25°C
TC = 2.5s
1099 G04
REFERENCE VOLTAGE, VREF (V)
0
TOTAL
ERROR
(LSB)
2
4
5
4
3
2
1
0
13
TA = 25°C
TC = 2.5s
RESISTANCE (k
)
10
CONVERSION
TIME
(
s)
100
10
1.0
0.1
100
1000
1099 G05
RESISTOR BETWEEN
PIN 19 AND VCC
RESISTOR BETWEEN
PIN 19 AND GND
TA = 25°C
CONVERSION TIME (
s)
1.6
0
TOTAL
UNADJUSTED
ERROR
(LBS)
0.2
0.6
0.8
1.0
1.8
2.0 2.1
2.5
1099 G06
0.4
1.7
1.9
2.2 2.3 2.4
TA = 25°C
Total Error vs Reference Voltage
Conversion Time vs REXT
Accuracy vs Conversion Time
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