The q
參數(shù)資料
型號(hào)： LT1739CFE#TRPBF
廠商： Linear Technology
文件頁數(shù)： 14/20頁
文件大?。?/td> 0K
描述： IC AMP XDSL LINE DRV DUAL20TSSOP
標(biāo)準(zhǔn)包裝： 2,500
類型： 線路驅(qū)動(dòng)器，發(fā)射器
驅(qū)動(dòng)器/接收器數(shù)： 2/0
規(guī)程： DSL
電源電壓： 5 V ~ 12 V
安裝類型： 表面貼裝
封裝/外殼： 20-TSSOP（0.173"，4.40mm 寬）裸露焊盤
供應(yīng)商設(shè)備封裝： 20-TSSOP-EP
包裝： 帶卷 (TR)
3
LT1739
1739fas, sn1739
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25°C.
VCM = 0V, pulse tested, ±5V ≤ VS ≤ ±12V, VSHDNREF = 0V, RBIAS = 24.9k between V
+ and SHDN unless otherwise noted. (Note 3)
RIN
Input Resistance
VCM = (V+ – 2V) to (V–+ 2V)
q
550
M
Differential
6.5
M
CIN
Input Capacitance
3pF
Input Voltage Range (Positive)
(Note 5)
q
V+ – 2
V+ – 1
V
Input Voltage Range (Negative)
(Note 5)
q
V– + 1
V– + 2
V
CMRR
Common Mode Rejection Ratio
VCM = (V+ – 2V) to (V– + 2V)
74
83
dB
q
66
dB
PSRR
Power Supply Rejection Ratio
VS = ±4V to ±12V
74
88
dB
q
66
dB
AVOL
Large-Signal Voltage Gain (Note 8)
VS = ±12V, VOUT = ±10V, RL = 40
63
76
dB
q
57
dB
VS = ±5V, VOUT = ±3V, RL = 25
60
70
dB
q
54
dB
VOUT
Output Swing (Note 8)
VS = ±12V, RL = 100
10.9
11.1
±V
q
10.7
±V
VS = ±12V, IL = 250mA
10.6
10.9
±V
q
10.4
±V
VS = ±5V, RL = 25
3.7
4.0
±V
q
3.5
±V
VS = ±5V, IL = 250mA
3.6
3.9
±V
q
3.4
±V
IOUT
Maximum Output Current (Note 8)
VS = ±12V, RL = 1
500
1200
mA
IS
Supply Current per Amplifier
VS = ±12V, RBIAS = 24.9k (Note 6)
8.0
10
13.5
mA
q
6.7
15.0
mA
VS = ±12V, RBIAS = 32.4k (Note 6)
8
mA
VS = ±12V, RBIAS = 43.2k (Note 6)
6
mA
VS = ±12V, RBIAS = 66.5k (Note 6)
4
mA
VS = ±5V, RBIAS = 24.9k (Note 6)
2.2
3.4
5.0
mA
q
1.8
5.8
mA
Supply Current in Shutdown
VSHDN = 0.4V
0.1
1
mA
Output Leakage in Shutdown
VSHDN = 0.4V
0.3
1
mA
Channel Separation (Note 8)
VS = ±12V, VOUT = ±10V, RL = 40
80
110
dB
q
77
dB
SR
Slew Rate
VS = ±12V, AV = – 10, (Note 7)
300
600
V/
s
VS = ±5V, AV = –10, (Note 7)
100
200
V/
s
HD2
Differential 2nd Harmonic Distortion
VS = ±12V, AV = 10, 2VP-P, RL = 50, 1MHz
– 85
dBc
HD3
Differential 3rd Harmonic Distortion
VS = ±12V, AV = 10, 2VP-P, RL = 50, 1MHz
– 82
dBc
GBW
Gain Bandwidth
f = 1MHz
200
MHz
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Applies to short circuits to ground only. A short circuit between
the output and either supply may permanently damage the part when
operated on supplies greater than
±10V.
Note 3: The LT1739C is guaranteed to meet specified performance from
0
°C to 85°C and is designed, characterized and expected to meet these
extended temperature limits, but is not tested at – 40
°C. The LT1739I is
guaranteed to meet the extended temperature limits.
Note 4: Thermal resistance varies depending upon the amount of PC board
metal attached to the device and rate of air flow over the device. If the
maximum dissipation of the package is exceeded, the device will go into
thermal shutdown and be protected.
Note 5: Guaranteed by the CMRR tests.
Note 6: RBIAS is connected between V + and the SHDN pin, with the
SHDNREF pin grounded.
Note 7: Slew rate is measured at
±5V on a ±10V output signal while
operating on
±12V supplies and ±1V on a ±3V output signal while
operating on
±5V supplies.
Note 8: This parameter of the LT1739CUE/LT1739IUE is 100% tested at
room temperature, but is not tested at –40
°C, 0°C or 85°C.
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