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| 型號： | AD830JR-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 0K |
| 描述： | IC VIDEO DIFF AMP HS 8-SOIC T/R |
| 標準包裝： | 2,500 |
| 應用： | 差分 |
| 電路數(shù)： | 1 |
| -3db帶寬： | 85MHz |
| 轉換速率： | 360 V/µs |
| 電流 - 電源： | 14.5mA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 8 V ~ 33 V，±4 V ~ 16.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
AD830
Rev. C | Page 15 of 20
VP
VOUT
AD830
1
2
3
4
8
7
6
5
A = 1
C
VICM
VIN
VOCM
VOUT = (VIN – VICM) + VOCM
GM
00
88
1-
0
35
Figure 35. General Single-Supply Connection
DIFFERENTIAL INPUT VOLTAGE (VPEAK)
16
0
C
O
MMO
N
-MO
D
E
VO
L
T
A
G
E
L
IMI
T
S
(
±
V
)
0.4
1.2
1.6
0.8
8
4
12
2.0
VP = +30V
VP = +15V
VP = +10V
TO GND
20
24
28
30
00
88
1-
0
3
6
Figure 36. Input Common-Mode Range for Single Supply
SUPPLY VOLTAGE (V)
16
0
30
10
MA
XIMU
M
O
U
TPU
T
SW
IN
G
(
±
V
)
14
18
22
26
8
4
12
20
24
28
TO VP
TO GND
0
08
81
-03
7
Figure 37. Output Swing Limit for Single Supply
Differential Line Receiver
The AD830 is specifically designed to perform as a differential
line receiver. The circuit in Figure 38 shows how simple it is to
configure the AD830 for this function. The signal from System A is
received differentially relative to the common of System A, and
that voltage is exactly reproduced relative to the common in
System B. The common-mode rejection versus frequency, shown
in Figure 6, is excellent, typically 100 dB at low frequencies.
The high input impedance permits the AD830 to operate as a
bridging amplifier across low impedance terminations with
negligible loading. The differential gain and phase specifications
for 150 Ω. The input and output common should be separated
to achieve the full CMR performance of the AD830 as a
differential amplifier. However, a common return path is
necessary between System A and System B.
COMMON IN
SYSTEM A
VN
AD830
1
2
3
4
8
7
6
5
A = 1
GM
C
VCM
ZCM
COMMON IN
SYSTEM B
VP
VOUT
0.1F
INPUT
SIGNAL
V1
V2
VOUT = V1 – V2
0
08
81
-03
8
Figure 38. Differential Line Receiver
Wide Range Level Shifter
The wide common-mode range and accuracy of the AD830
allows easy level shifting of differential signals referred to an
input common-mode voltage to any new voltage defined at the
output. The inputs may be referenced to levels as high as 10 V at
the inputs with a ±2 V swing around 10 V. In the circuit in
equation shown below. The excellent linearity and low distortion
are preserved over the full input and output common-mode
range. The voltage sources need not be of low impedance, since
the high input resistance and modest input bias current of the
AD830 V-to-I converters permit the use of resistive voltage
dividers as reference voltages.
GM
VP
VOUT
INPUT
COMMON
VN
0.1F
AD830
1
2
3
4
8
7
6
5
A = 1
C
0.1F
INPUT
SIGNAL
V1
V2
OUTPUT
COMMON
V3
VOUT = V1 – V2 + V3
00
88
1-
03
9
GM
Figure 39. Differential Amplification with Level Shifting
Difference Amplifier with Gain > 1
The AD830 can provide instrumentation amplifier style and
differential amplification at gains greater than 1. The input
signal is connected differentially and the gain is set via feedback
The AD830 can provide either inverting or noninverting
differential amplification. The polarity of the gain is established
by the polarity of the connection at the input. Feedback resistor,
R2, should generally be R2 ≤ 1 kΩ to maintain closed-loop
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| AD830JR-REEL7 | 功能描述:IC VIDEO DIFF AMP HS 8-SOIC T/R RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應用:驅動器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
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