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參數(shù)資料
| 型號： | AD647K |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Ultralow Drift, Dual BiFET Op Amp |
| 中文描述： | 超低漂移，雙BiFET運算放大器 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 150K |
| 代理商： | AD647K |
AD6472
–6–
REV. 0
T able III.
Receive Channel
MODE _SE L1
Filter Control Bit
MODE _SE L0
Receive Clock
Frequency (kHz)
3 dB Frequency
(kHz)
0
0
1
1
0
1
0
1
1168/2
Reserved
1160
1160
×
2
Rx = 320/T x = 320
Reserved
Rx = 640/T x = 535
Rx = 640/T x = 535
T able IV. Configuration Control
Pin
Mnemonic
Logic 0 = Function
Logic 1 = Function
5
6
7
8
AA_FLT R_BP
PWRDN
ADC_BUF_BP
T X _GAIN_SEL
Receive Filter in Circuit
Low Power Selected
ADC Buffer in Circuit
0 dB Attenuation
Receive Filter Bypassed
Normal Operating Mode
ADC Buffer Bypassed
6 dB Attenuation
9
11
13
T X _DRVR_BP
T X _LPF_BP
LOOPBACK
Line Driver in Circuit
T ransmit Filter in Circuit
Normal Operation
Line Driver Bypassed
T ransmit Circuit Bypassed
Analog Loopback Selected
Receive Channel
Hybrid Amplifier
T he hybrid amplifier performs balanced to unbalanced
conversion.
Programmable Gain Amplifier (PGA)
T he PGA can be programmed to amplify the receive signal
from between –6 dB and 9 dB. Refer to T able II for PGA gain
control information.
10k
V
10k
V
10k
V
10k
V
10k
V
10k
V
TO PGA
HYB_IN1_A
HYB_IN1_B
HYB_IN2_A
HYB_IN2_B
Figure 3.
T ransmit and Receive Filters
Refer to T able III for transmit and receive channels filter
control information. T he receive channel filters meet ET SI
requirements.
Analog-to-Digital Converter (ADC)
T he receive channel ADC has a pipeline architecture with 12-
bit resolution. T he ADC can be clocked at 2320 kHz, maxi-
mum. Output data is provided in 2s complement form.
T iming Recovery D/A
T he AD6472 has an integrated D/A converter to control an
external VCX O used for timing recovery. T he D/A is 7 bits and
monotonic. T he D/A accepts 7 bits inverted format input data
serially with the MSB first.
Configuration Control
T able IV presents control information that you use to configure
the AD6472.
T able II.
Gain Control Bit
PGA_GC2
Binary Count
GAIN (dB)
PGA_GC1
PGA_GC0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
–6
–3
0
3
6
9
9
9
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| AD647L | Ultralow Drift, Dual BiFET Op Amp |
| AD647S | Ultralow Drift, Dual BiFET Op Amp |
| AD647SE | Ultralow Drift, Dual BiFET Op Amp |
| AD647SH | Ultralow Drift, Dual BiFET Op Amp |
| AD650ACHIPS | LTC3770 Evaluation Kit |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD647KH | 制造商:Rochester Electronics LLC 功能描述:PRECISION DUAL OP AMP IC - Bulk |
| AD647L | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Drift, Dual BiFET Op Amp |
| AD647LH | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Drift, Dual BiFET Op Amp |
| AD647S | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Drift, Dual BiFET Op Amp |
| AD647SE | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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