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參數(shù)資料
| 型號： | LTC6910-3ITS8#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PGA DIGITAL R-R OUT TSOT23-8 |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 可編程增益 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 16 V/µs |
| 增益帶寬積： | 11MHz |
| 電壓 - 輸入偏移： | 1500µV |
| 電流 - 電源： | 3.5mA |
| 電流 - 輸出 / 通道： | 35mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 10.5 V，±2.7 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-8 薄型，TSOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-8 |
| 包裝： | 帶卷 (TR) |
LTC6910-1
LTC6910-2/LTC6910-3
1
6910123fa
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
3-Bit Digital Gain Control in Three Gain-Code
Options
s
Rail-to-Rail Input Range
s
Rail-to-Rail Output Swing
s
Single or Dual Supply: 2.7V to 10.5V Total
s
11MHz Gain Bandwidth Product
s
Input Noise Down to 8nV/
√Hz
s
System Dynamic Range to 120dB
s
Input Offset Voltage: 1.5mV
s
8-Pin Low Profile (1mm) SOT-23
(ThinSOT) Package
Digitally Controlled
Programmable
Gain Amplifiers in SOT-23
s
Data Acquisition Systems
s
Dynamic Gain Changing
s
Automatic Ranging Circuits
s
Automatic Gain Control
The LTC
6910 family are low noise digitally program-
mable gain amplifiers (PGAs) that are easy to use and
occupy very little PC board space. The inverting gain is
adjustable using a 3-bit digital input to select gains of 0, 1,
2, 5, 10, 20, 50 and 100V/V in the LTC6910-1; 0, 1, 2, 4,
8, 16, 32 and 64V/V in the LTC6910-2; and 0, 1, 2, 3, 4, 5,6
and 7V/V in the LTC6910-3.
The LTC6910-Xs are inverting amplifiers with rail-to-rail
output. When operated with unity gain, they will also
process rail-to-rail input signals. A half-supply reference
generated internally at the AGND pin supports single
power supply applications. Operating from single or split
supplies from 2.7V to 10.5V, the LTC6910-X family is
offered in an 8-lead SOT-23 package.
Single Supply Programmable Amplifier
Frequency Response (LTC6910-1)
DESCRIPTIO
U
FEATURES
APPLICATIO S
U
TYPICAL APPLICATIO
U
2
1
3
VIN
VOUT = GAIN VIN
AGND
1
F OR LARGER
PIN 2 (AGND) PROVIDES BUILT-IN HALF-SUPPLY
REFERENCE WITH INTERNAL RESISTANCE OF 5k.
AGND CAN ALSO BE DRIVEN BY A SYSTEM ANALOG
GROUND REFERENCE NEAR HALF SUPPLY
6910 TA01
5
4
LTC6910-X
6
8
V+
2.7V TO 10.5V
0.1
F
G2 G1 G0
7
6910-1
0
–1
–2
–5
–10
–20
–50
–100
6910-2
0
–1
–2
–4
–8
–16
–32
–64
GAIN IN VOLTS/VOLT
6910-3
0
–1
–2
–3
–4
–5
–6
–7
DIGITAL INPUTS
G2
0
1
G1
0
1
0
1
G0
0
1
0
1
0
1
0
1
FREQUENCY (Hz)
10
GAIN
(dB)
30
50
0
20
40
100
10k
100k
1M
10M
6910 TA01b
–10
1k
GAIN OF 100 (DIGITAL INPUT 111)
GAIN OF 1 (DIGITAL INPUT 001)
GAIN OF 2 (DIGITAL INPUT 010)
GAIN OF 5 (DIGITAL INPUT 011)
GAIN OF 10 (DIGITAL INPUT 100)
GAIN OF 20 (DIGITAL INPUT 101)
GAIN OF 50 (DIGITAL INPUT 110)
VS = 10V, VIN = 5mVRMS
ThinSOT is a trademark of Linear Technology Corporation.
U.S. Patent Number 6121908.
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