參數(shù)資料
型號： AFE1224
英文描述： 2Mbps, Single Pair ANALOG FRONT END
中文描述： 2Mbps的，單對模擬前端
文件頁數(shù)： 2/11頁
文件大?。?/td> 137K
代理商： AFE1224
2
AFE1224
SPECIFICATIONS
All specifications at 25
°
C, AV
DD
= +5V, DV
DD
= +3.3V, f
TX
= 1168kHz (E1 rate) and normal power mode, unless otherwise noted.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
AFE1224E
PARAMETER
COMMENTS
MIN
TYP
MAX
UNITS
RECEIVE CHANNEL
Number of Inputs
Input Voltage Range
Common-Mode Voltage
Input Impedance, All Inputs
78kbps
1168kbps
2320kbps
Input Capacitance
Input Gain Matching
Resolution
Programmable Gain
Settling Time for Gain Change
Gain + Offset Error
Output Data Coding
Data Rate
Differential
2
Balanced Differential
(1)
±
3.0
AV
DD
/2
V
V
32
21
10
10
±
2
k
k
k
pF
%
Bits
dB
Line Input vs Hybrid Input
14
0
0dB, 3dB, 6dB, 9dB and 12dB
+12
6
5
Symbol Periods
%FSR
(2)
Tested at Each Gain Range
Binary Two’s Complement
Normal Power
Medium Power
Low Power
Normal Power
(3)
64
64
64
32
2320
1168
320
1168
kbps
kbps
kbps
kHz
Output Word Rate
TRANSMIT CHANNEL
Transmit Clock Rate, f
TX
Symbol Rate, Normal Power
Symbol Rate, Medium Power
Symbol Rate, Low Power
2320kbps
1168kbps
784kbps
196
96
80
1168
584
160
kHz
kHz
kHz
kHz
kHz
kHz
dBm
Transmit –3dB Point
485
292
196
13.5
Transmit Power
(5)
Pulse Output
Common-Mode Voltage (V
CM
)
Output Resistance
13
See Typical Performance Curves
AV
DD
/2
1
14
V
DC to 1MHz
TRANSCEIVER PERFORMANCE
Uncancelled Echo
(5)
rxGAIN = 0dB, Loopback Enabled
rxGAIN = 0dB, Loopback Disabled
rxGAIN = 3dB, Loopback Disabled
rxGAIN = 6dB, Loopback Disabled
rxGAIN = 9dB, Loopback Disabled
rxGAIN = 12dB, Loopback Disabled
–71
–71
–74
–76
–78
–80
–68.5
–68.5
–71
–73.5
–75.5
–77.5
dB
dB
dB
dB
dB
dB
DIGITAL INTERFACE
Logic Levels
V
IH
V
IL
V
OH
V
OL
t
rx1
Interface
|I
IH
| < 10
μ
A
|I
IL
| < 10
μ
A
I
OH
= –20
μ
A
OL
= 20
μ
A
DV
–1
–0.3
DV
DD
–0.5
DV
+0.3
+0.8
V
V
V
V
ns
+0.4
4.6
3
POWER
Analog Power Supply Voltage
Specification
Operating Range
Specification
Operating Range
Normal Power
Medium Power
Low Power
Normal Power, DV
DD
= 5V
5
V
V
V
V
4.75
5.25
Digital Power Supply Voltage
3.3
3.15
5.25
Power Dissipation
(4, 5)
385
300
240
415
55
mW
mW
mW
mW
dB
Power Dissipation
(4, 5)
Power Supply Rejection Ratio
TEMPERATURE RANGE
Operating
(6)
–40
+85
°
C
NOTES: (1) With a balanced differential signal, the positive input is 180
°
out-of-phase with the negative input, therefore the actual voltage swing about the common-
mode voltage on each pin is
±
1.5V to achieve a total input range of
±
3.0V or 6Vp-p. (2) FSR is Full-Scale Range. (3) The output data is available at twice the symbol
rate with interpolated values. (4) With a pseudo-random equiprobable sequence of HDSL pulses; 13.5dBm applied to the transformer (16.5dBm output from txLINE+
and txLINE–). (5) See the Discussion of Specifications section of this data sheet for more information. (6) Functionality only guaranteed over temperature range.
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參數(shù)描述
AFE1224-2 制造商:Rochester Electronics LLC 功能描述:- Bulk
AFE1224E 功能描述:IC HDSL ANALOG FRONT END 28SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR)
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AFE1224E-1 制造商:Rochester Electronics LLC 功能描述:- Bulk
AFE1224E-2 制造商:Rochester Electronics LLC 功能描述:- Bulk
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