參數(shù)資料
型號: LTC1992-2CMS8#TR
廠商: Linear Technology
文件頁數(shù): 17/42頁
文件大?。?/td> 0K
描述: IC AMP DIFF GAIN-2 ADJ I/O 8MSOP
標準包裝: 2,500
放大器類型: 差分
電路數(shù): 1
輸出類型: 差分,滿擺幅
轉(zhuǎn)換速率: 1.5 V/µs
增益帶寬積: 3.2MHz
電流 - 輸入偏壓: 2pA
電壓 - 輸入偏移: 250µV
電流 - 電源: 700µA
電流 - 輸出 / 通道: 30mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 11 V,±1.35 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應商設(shè)備封裝: 8-MSOP
包裝: 帶卷 (TR)
LTC1992 Family
24
1992fb
PIN FUNCTIONS
–IN, +IN (Pins 1, 8): Inverting and Noninverting Inputs
of the Amplifier. For the LTC1992 part, these pins are
connected directly to the amplifier’s P-channel MOSFET
input devices. The fixed gain LTC1992-X parts have preci-
sion, on-chip gain setting resistors. The input resistors
are nominally 30k for the LTC1992-1, LTC1992-2 and
LTC1992-5 parts. The input resistors are nominally 15k
for the LTC1992-10 part.
VOCM (Pin 2): Output Common Mode Voltage Set Pin.
The voltage on this pin sets the output signal’s common
mode voltage level. The output common mode level is set
independent of the input common mode level. This is a
high impedance input and must be connected to a known
and controlled voltage. It must never be left floating.
+VS, –VS (Pins 3, 6): The +VS and –VS power supply pins
shouldbebypassedwith0.1μFcapacitorstoanadequateana-
log ground or ground plane. The bypass capacitors should
be located as closely as possible to the supply pins.
+OUT, –OUT (Pins 4, 5): The Positive and Negative
Outputs of the Amplifier. These rail-to-rail outputs are
designed to drive capacitive loads as high as 10,000pF.
VMID (Pin 7): Mid-Supply Reference. This pin is connected
to an on-chip resistive voltage divider to provide a mid-
supply reference. This provides a convenient way to set
the output common mode level at half-supply. If used for
this purpose, Pin 2 will be shorted to Pin 7, Pin 7 should
be bypassed with a 0.1μF capacitor to ground. If this refer-
ence voltage is not used, leave the pin floating.
BLOCK DIAGRAMS (1992)
+
1
7
2
6
3
8
5
4
+
200k
+VS
–VS
V+
V
30k
A1
+
A2
+OUT
1992 BD
–IN
VMID
VOCM
+IN
–OUT
+VS
–VS
+VS
–VS
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