参数资料
| 型号： | LT1115CSW#TR |
| 厂商： | Linear Technology |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP AUDIO MONO AB 16SOIC |
| 标准包装： | 1,000 |
| 放大器类型： | 音频 |
| 电路数： | 1 |
| 转换速率： | 15 V/µs |
| 增益带宽积： | 70MHz |
| 电流 - 输入偏压： | 50nA |
| 电压 - 输入偏移： | 50µV |
| 电流 - 电源： | 8.5mA |
| 电压 - 电源，单路/双路(±)： | ±4 V ~ 20 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SO |
| 包装： | 带卷 (TR) |
1
LT1115
1115fa
Ultralow Noise,
Low Distortion, Audio Op Amp
■
High Quality Audio Preamplifiers
■
Low Noise Microphone Preamplifiers
■
Very Low Noise Instrumentation Amplifiers
■
Low Noise Frequency Synthesizers
■
Infrared Detector Amplifiers
■
Hydrophone Amplifiers
■
Low Distortion Oscillators
RIAA Phonograph Preamplifier (40/60db Gain)
Measured Deviation from RIAA
Response. lnput at 1kHz = 1mVRMS
Pre-Emphasized
FREQUENCY (Hz)
20
–0.2000
DEVIATION
(dB)
0.0
0.20000
0.40000
0.60000
100
1k
10k
50k
–0.4000
–0.6000
–0.8000
–1.000
0.80000
1.0000
VS = ± 18V
RS =25
TA =25°C
MEASURED
COMPUTER
SIMULATED
LT1115 TA02
–
+
INPUT
(SELECT
PER
PHOTO
CART-
RIDGE)
COM
RIN 47.5k (MM)
100 (MC)
CIN
3
2
1
18V
7
6
4
–18V
18V
V+
V –
–18V
1F
35V
1F
35V
470F
35V
2200F
16V
4.7F
FILM
470F
35V
1F
35V
1F
35V
100
49.9
562
499
22.6
330pF
15nF
5
2N4304*
~250
SELECT
FOR 2mA
RESISTORS 1%
*OR USE 2mA CURRENT SOURCE
MM = MOVING MAGNET
MC = MOVING COIL
BYPASS SUPPLIES WITH LOW ESR CAPS
OTHER CAPS: HIGH QUALITY FILM
NOTE:
2mA
17.8k
82.5k
210k
25k
210
3900pF
SINGLE
POINT
BOARD
GROUND
OPEN—MM
CLOSED—MC
COM
RL
RBOOST
OUTPUT
A1
LT1115
A2
LT1010CT
LT1115 TA01
+
FEATURES
APPLICATIO S
U
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
■
Voltage Noise: 1.2nV/√Hz Max at 1kHz
0.9nV/√Hz Typ at 1kHz
■
Voltage and Current Noise 100% Tested
■
Gain-Bandwidth Product: 40MHz Min
■
Slew Rate: 10V/s Min
■
Voltage Gain: 2 Million Min
■
Low THD at 10kHz, A
V = –10, RL = 600: 0.002%
VO = 7VRMS
■
Low IMD, CCIF Method, AV = +10: 0.002%
RL = 600
VO = 7VRMS
The LT
1115 is the lowest noise audio operational ampli-
fier available. This ultralow noise performance (0.9nV/√Hz
at 1kHz) is combined with high slew rates (>15V/s) and
very low distortion specifications.
The RIAA circuit shown below using the LT1115 has very
low distortion and little deviation from ideal RIAA
response (see graph).
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