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| 型號： | ADA4937-2YCPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 0K |
| 描述： | IC ADC DRIVER DUAL DIFF 24LFCSP |
| 標(biāo)準(zhǔn)包裝： | 5,000 |
| 類型： | ADC 驅(qū)動器 |
| 應(yīng)用： | 數(shù)據(jù)采集 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 24-LFCSP-VQ（4x4） |
| 包裝： | 帶卷 (TR) |
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Ultralow Distortion
Differential ADC Driver
Data Sheet
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2007–2013 Analog Devices, Inc. All rights reserved.
FEATURES
Extremely low harmonic distortion (HD)
112 dBc HD2 @ 10 MHz
84 dBc HD2 @ 70 MHz
77 dBc HD2 @ 100 MHz
102 dBc HD3 @ 10 MHz
91 dBc HD3 @ 70 MHz
84 dBc HD3 @ 100 MHz
Low input voltage noise: 2.2 nV/√Hz
High speed
3 dB bandwidth of 1.9 GHz, G = 1
Slew rate: 6000 V/s, 25% to 75%
Fast overdrive recovery of 1 ns
0.5 mV typical offset voltage
Externally adjustable gain
Differential-to-differential or single-ended-to-differential
operation
Adjustable output common-mode voltage
Single-supply operation: 3.3 V to 5 V
APPLICATIONS
ADC drivers
Single-ended-to-differential converters
IF and baseband gain blocks
Differential buffers
Line drivers
GENERAL DESCRIPTION
The ADA4937-xis a low noise, ultralow distortion, high speed
differential amplifier. It is an ideal choice for driving high
performance ADCs with resolutions up to 16 bits from dc to
100 MHz. The adjustable level of the output common mode
allows the ADA4937-x to match the input of the ADC. The
internal common-mode feedback loop also provides exceptional
output balance as well as suppression of even-order harmonic
distortion products.
With the ADA4937-x, differential gain configurations are easily
realized with a simple external feedback network of four resis-
tors that determine the closed-loop gain of the amplifier.
The ADA4937-x is fabricated using Analog Devices, Inc., proprie-
tary silicon-germanium (SiGe), complementary bipolar process,
enabling it to achieve very low levels of distortion with an input
voltage noise of only 2.2 nV/√Hz. The low dc offset and excellent
dynamic performance of the ADA4937-x make it well-suited
for a wide variety of data acquisition and signal processing appli-
cations.
FUNCTIONAL BLOCK DIAGRAMS
1
–FB
2
+IN
3
–IN
4
+FB
11 –OUT
12 PD
10 +OUT
9
VOCM
5
+V
S
6
+V
S
7
+V
S
8
+V
S
15
–V
S
16
–V
S
14
–V
S
13
–V
S
ADA4937-1
06591-
001
Figure 1. ADA4937-1
ADA4937-2
1
–IN1
2
+FB1
3
+VS1
4
+VS1
5
–FB2
6
+IN2
15 –VS2
16 –VS2
17 VOCM1
18 +OUT1
14 PD2
13 –OUT2
7
–I
N2
8
+
F
B2
9
+V
S2
1
V
O
CM
2
12
+
OU
T2
10
+V
S2
21
–V
S1
22
–V
S1
23
–
F
B1
24
+
IN1
20
P
D1
19
–O
UT
1
06591-
002
Figure 2. ADA4937-2
–55
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
1
10
100
D
IS
TOR
TION
(
dB
c
)
FREQUENCY (MHz)
HD2, VS = 5.0V
HD3, VS = 5.0V
HD2, VS = 3.3V
HD3, VS = 3.3V
06591-
003
Figure 3. Harmonic Distortion vs. Frequency
The ADA4937-x is available in a Pb-free, 3 mm × 3 mm, 16-lead
LFCSP (ADA4937-1, single) or a Pb-free, 4 mm × 4 mm, 24-lead
LFCSP (ADA4937-2, dual). The pinout has been optimized to
facilitate PCB layout and minimize distortion. The ADA4937-x
is specified to operate over the automotive (40°C to +105°C)
temperature range and between 3.3 V and 5 V supplies.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADA4938-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultra-Low Distortion Differential ADC Driver |
| ADA4938-1_06 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultra-Low Distortion Differential ADC Driver |
| ADA4938-1_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultra-Low Distortion Differential ADC Driver |
| ADA4938-1ACPZ-R2 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single ±5.5V/11V 16-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:SP AMP DIFF AMP SGL 5.5V/11V 16LFCSP EP - Tape and Reel 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single }5.5V/11V 16-Pin LFCSP EP Tape & Reel 制造商:Analog Devices 功能描述:IC AMP DIFFADCDR16BIT16LFCSP |
| ADA4938-1ACPZ-R2 | 制造商:Analog Devices 功能描述:IC DIFF AMP 1GHZ 4700V/S LFCSP-16 |
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