参数资料
型号: LT1112S8#TR
厂商: Linear Technology
文件页数: 14/16页
文件大小: 0K
描述: IC OPAMP DUAL PREC LO PWR 8SOIC
标准包装: 2,500
放大器类型: 通用
电路数: 2
转换速率: 0.3 V/µs
增益带宽积: 750kHz
电流 - 输入偏压: 100pA
电压 - 输入偏移: 25µV
电流 - 电源: 350µA
电压 - 电源,单路/双路(±): 2 V ~ 40 V,±1 V ~ 20 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)
7
LT1112/LT1114
111214fb
Distribution of Offset Voltage
Match Drift (LT1112J8, LT1112N8,
LT1114J Packages)
Distribution of Offset
Voltage Match
VOS, OFFSET VOLTAGE MATCH (V)
–100
PERCENT
OF
UNITS
15
20
25
60
LT1112/14 TPC07
10
5
0
–60
–20
20
100
40
–80
–40
0
80
VS = ±15V
TA = 25°C
OFFSET VOLTAGE MATCH DRIFT (
V/°C)
–0.8
0
PERCENT
ON
UNITS
5
10
15
20
–0.4
0
0.4
0.8
LT1112/14 TPC08
25
30
–0.6
–0.2
0.2
0.6
VS = ±15V
342 PAIRS TESTED
OFFSET VOLTAGE MATCH DRIFT (
V/°C)
–1.6
0
PERCENT
OF
UNITS
5
10
15
20
–1.2 –0.8 –0.4
0
LT1112/14 TPC09
0.4
0.8
1.2
1.6
VS = ±15V
364 PAIRS TESTED
Distribution of Offset Voltage
Match Drift (LT1112S8, LT1114N,
LT1114S Packages)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
0.1Hz to 10Hz Noise
0.01Hz to 1Hz Noise
Supply Current per Amplifier
vs Supply Voltage
TIME (MONTHS)
0
–6
CHANGE
IN
OFFSET
VOLTAGE
(
V)
–4
–2
0
2
6
1
23
4
LT1112/14 TPC14
56
4
VS = ±15V
TA = 25°C
2A
2B
1A
1B
3A
3B
Long Term Stability of Three
Representative Units
Warm-Up Drift
SUPPLY VOLTAGE (V)
0
SUPPLY
CURRENT
PER
AMPLIFIER
(
A)
400
500
±20
LT1112/14 TPC15
300
200
±5
±10
±15
600
TA = 125°C
TA = 25°C
TA = –55°C
Noise Spectrum
FREQUENCY (Hz)
1
10
100
1000
10
100
1000
LT1112/14 TPC10
VOLTAGE
NOISE
DENSITY
(nV/
Hz)
CURRENT
NOISE
DENSITY
(fA/
Hz)
VS = ±1V TO ±20V
TA = 25°C
CURRENT NOISE
VOLTAGE NOISE
1/fCORNER
2.5Hz
1/fCORNER
140Hz
TIME (SEC)
0
NOISE
VOLTAGE
(0.2
V/DIV)
8
LT1112/14 TPC11
2
4
6
10
VS = ±15V
TA = 25°C
TIME AFTER POWER ON (MINUTES)
0
CHANGE
IN
OFFSET
VOLTAGE
(
V)
1
2
3
0.5
1.0
1.5
2.0
LT1112/14 TPC13
2.5
VS = ±15V
TA = 25°C
LT1112S8, LT1114N/S PACKAGES
LT1114J PACKAGE
LT1112J8, N8 PACKAGES
TIME (SEC)
0
NOISE
VOLTAGE
(0.2
V/DIV)
80
LT1112/14 TPC12
20
40
60
100
VS = ±15V
TA = 25°C
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