參數(shù)資料
型號(hào)： ADA4930-2YCPZ-R2
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/29頁(yè)
文件大?。?/td> 0K
描述： IC DIFF AMP 1.35GHZ 24-LFCSP
標(biāo)準(zhǔn)包裝： 1
放大器類型： 差分
電路數(shù)： 2
輸出類型： 差分
轉(zhuǎn)換速率： 3400 V/µs
-3db帶寬： 1.35GHz
電流 - 輸入偏壓： 23µA
電壓 - 輸入偏移： 150µV
電流 - 電源： 34mA
電流 - 輸出 / 通道： 30mA
電壓 - 電源，單路/雙路(±)： 3.3V，5V
工作溫度： -40°C ~ 105°C
安裝類型： 表面貼裝
封裝/外殼： 24-VFQFN 裸露焊盤(pán)，CSP
供應(yīng)商設(shè)備封裝： 24-LFCSP-VQ（4x4）
包裝： 標(biāo)準(zhǔn)包裝
其它名稱： ADA4930-2YCPZ-R2DKR
Ultralow Noise
Drivers for Low Voltage ADCs
ADA4930-1/ADA4930-2
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
www.analog.com
Fax: 781.461.3113
2010 Analog Devices, Inc. All rights reserved.
FEATURES
Low input voltage noise: 1.2 nV/√Hz
Low common-mode output: 0.9 V on single supply
Extremely low harmonic distortion
104 dBc HD2 at 10 MHz
79 dBc HD2 at 70 MHz
73 dBc HD2 at 100 MHz
101 dBc HD3 at 10 MHz
82 dBc HD3 at 70 MHz
75 dBc HD3 at 100 MHz
High speed
3 dB bandwidth of 1.35 GHz, G = 1
Slew rate: 3400 V/μs, 25% to 75%
0.1 dB gain flatness to 380 MHz
Fast overdrive recovery of 1.5 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 or 5 V
APPLICATIONS
ADC drivers
Single-ended-to-differential converters
IF and baseband gain blocks
Differential buffers
Line drivers
GENERAL DESCRIPTION
The ADA4930-1/ADA4930-2 are very low noise, low distortion,
high speed differential amplifiers. They are an ideal choice for
driving 1.8 V high performance ADCs with resolutions up to
14 bits from dc to 70 MHz. The adjustable output common
mode allows the ADA4930-1/ADA4930-2 to match the input of
the ADC. The internal common-mode feedback loop provides
exceptional output balance, suppression of even-order harmonic
distortion products, and dc level translation.
With the ADA4930-1/ADA4930-2, differential gain configurations
are easily realized with a simple external feedback network of
four resistors determining the closed-loop gain of the amplifier.
The ADA4930-1/ADA4930-2 are fabricated using Analog Devices,
Inc., proprietary silicon-germanium (SiGe), complementary
bipolar process, enabling them to achieve very low levels of
distortion with an input voltage noise of only 1.2 nV/√Hz.
FUNCTIONAL BLOCK DIAGRAMS
1
–FB
2
+IN
3
–IN
4
+FB
11 –OUT
12 PD
10 +OUT
9VOCM
5
+
V
S
6
+
V
S
7
+
V
S
8
+
V
S
15
–V
S
16
–V
S
14
–V
S
13
–V
S
ADA4930-1
09
209-
001
Figure 1.
ADA4930-2
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
N
2
8
+
F
B
2
9
+
V
S
2
11
V
O
C
M
2
12
+
O
U
T
2
10
+
V
S
2
21
–V
S
1
22
–V
S
1
23
–F
B
1
24
+
IN
1
20
P
D
1
19
–O
U
T
1
09
20
9-
0
02
Figure 2.
0
1
10
100
10
100
1k
10k
100k
1M
10M
100M
V
N
(nV/
√hz
)
FREQUENCY (Hz)
09
20
9-
0
03
Figure 3. Voltage Noise Spectral Density
The low dc offset and excellent dynamic performance of the
ADA4930-1/ADA4930-2 make them well suited for a wide
variety of data acquisition and signal processing applications.
The ADA4930-1 is available in a Pb-free, 3 mm × 3 mm 16-lead
LFCSP, and the ADA4930-2 is available in a Pb-free, 4 mm × 4 mm
24-lead LFCSP. The pinout has been optimized to facilitate printed
circuit board (PCB) layout and minimize distortion. The ADA4930-1
is specified to operate over the 40°C to +105°C temperature range,
and the ADA4930-2 is specified to operate over the 40°C to +105°C
temperature range for 3.3 V or 5 V supply voltages.
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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