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| 型號(hào)： | ADA4932-2YCPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP DIFF DUAL LP 80MA 24LFCSP |
| 標(biāo)準(zhǔn)包裝： | 5,000 |
| 放大器類型： | 差分 |
| 電路數(shù)： | 2 |
| 輸出類型： | 差分 |
| 轉(zhuǎn)換速率： | 2800 V/µs |
| -3db帶寬： | 560MHz |
| 電流 - 輸入偏壓： | 2.5µA |
| 電壓 - 輸入偏移： | 500µV |
| 電流 - 電源： | 9.6mA |
| 電流 - 輸出 / 通道： | 80mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 11 V，±1.5 V ~ 5.5 V |
| 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，CSP |
| 供應(yīng)商設(shè)備封裝： | 24-LFCSP-VQ（4x4） |
| 包裝： | 帶卷 (TR) |
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Low Power
Differential ADC Driver
Data Sheet
FEATURES
High performance at low power
High speed
3 dB bandwidth of 560 MHz, G = 1
0.1 dB gain flatness to 300 MHz
Slew rate: 2800 V/s, 25% to 75%
Fast 0.1% settling time of 9 ns
Low power: 9.6 mA per amplifier
Low harmonic distortion
100 dB SFDR at 10 MHz
90 dB SFDR at 20 MHz
Low input voltage noise: 3.6 nV/√Hz
±0.5 mV typical input offset voltage
Externally adjustable gain
Can be used with fractional differential gains
Differential-to-differential or single-ended-to-differential
operation
Adjustable output common-mode voltage
Input common-mode range shifted down by 1 VBE
Wide supply range: +3 V to ±5 V
Available in 16-lead and 24-lead LFCSP packages
APPLICATIONS
ADC drivers
Single-ended-to-differential converters
IF and baseband gain blocks
Differential buffers
Line drivers
GENERAL DESCRIPTION
The ADA4932-x is the next generation AD8132 with higher
performance, and lower noise and power consumption. It is an
ideal choice for driving high performance ADCs as a single-ended-
to-differential or differential-to-differential amplifier. The output
common-mode voltage is user adjustable by means of an internal
common-mode feedback loop, allowing the ADA4932-x output
to match the input of the ADC. The internal feedback loop also
provides exceptional output balance as well as suppression of
even-order harmonic distortion products.
With the ADA4932-x, differential gain configurations are easily
realized with a simple external four-resistor feedback network that
determines the closed-loop gain of the amplifier.
The ADA4932-x is fabricated using the Analog Devices, Inc.,
proprietary silicon-germanium (SiGe) complementary bipolar
process, enabling it to achieve low levels of distortion and noise
at low power consumption. The low offset and excellent dynamic
performance of the ADA4932-x make it well suited for a wide
variety of data acquisition and signal processing applications.
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
ADA4932-1
07752-
001
Figure 1. ADA4932-1
07752-
002
2
1
3
4
5
6
18
17
16
15
14
13
+IN2
–FB2
+VS1
+FB1
–IN1
–OUT2
PD2
–VS2
VOCM1
+OUT1
8
9
10
11
7
+
F
B2
+V
S2
+V
S2
V
O
CM
2
12
+
OU
T2
–I
N2
20
19
21
P
D1
–O
UT
1
–V
S1
22
–V
S1
23
–F
B1
24
+
IN1
ADA4932-2
Figure 2. ADA4932-2
–140
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
100k
1M
10M
100M
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
FREQUENCY (Hz)
VOUT, dm = 2V p-p
07752-
003
HD2, G = 1
HD3, G = 1
HD2, G = 2
HD3, G = 2
Figure 3. Harmonic Distortion vs. Frequency at Various Gains
The ADA4932-x is available in a Pb-free, 3 mm × 3 mm 16-lead
LFCSP (ADA4932-1, single) or a Pb-free, 4 mm × 4 mm 24-lead
LFCSP (ADA4932-2, dual). The pinout has been optimized to
facilitate PCB layout and minimize distortion. The ADA4932-1
and the ADA4932-2 are specified to operate over the 40°C to
+105°C temperature range; both operate on supplies between
+3 V and ±5 V.
Rev. C
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
2008–2014 Analog Devices, Inc. All rights reserved.
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