參數(shù)資料
型號： LT1684CN#PBF
廠商： Linear Technology
文件頁數(shù)： 10/16頁
文件大?。?/td> 0K
描述： IC RING TONE GENERATOR 14-DIP
標準包裝： 25
功能： 音頻發(fā)生器
電路數(shù)： 1
工作溫度： 0°C ~ 125°C
安裝類型： 通孔
封裝/外殼： 14-DIP（0.300"，7.62mm）
供應商設備封裝： 14-PDIP
包裝： 管件
3
LT1684
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: IC Supply current specification represents unloaded condition and
does not include external FET gate pull up/down currents (GATE +, GATE –
pins). Actual total IC bias currents will be higher and vary with operating
conditions. See Applications Information.
Note 3: PWM inputs are high impedance through
±100mV beyond the
input thresholds.
Note 4: 10k resistor from pin AMPIN to ground.
Note 5: Guaranteed but not tested.
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
V + – V – = 20V, Voltages referenced to pin OUT, VOUT = VATREF unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply and Protection
IS
DC Supply Current (Note 2)
IN A – IN B
≥ 1.6V
q
680
950
A
|V +|
Local Supply Voltages
VGATE+ ≥ V +
q
6.5
10
V
|V –|VGATE– ≤ V
–
VGATE+
Active Tracking Supply FET
IGATE+ = –100A,
q
13.2
14.0
14.8
V
Bias Voltage
ATREF = 0V
VGATE–
Active Tracking Supply FET
IGATE– = 100A,
q
–14.8
–14.0
–13.2
V
Bias Voltage
ATREF = 0V
PWM Receiver
fPWM
Input Carrier Frequency
10
kHz
VIN
Minimum Valid Differential Input
IN A – IN B or IN B – IN A
q
1.6
V
Differential Input Threshold
q
0.50
0.70
1.00
V
| IN A – IN B |
RIN
Differential Input Overdrive Impedance
VIN > VTH + 100mV
q
710
k
(Note 3, 5)
RINA,INB
Single-Ended Input Impedance
To Pin OUT
q
50
k
(Note 5)
BG Buffer
VBGOUT
BGOUT Normalized Voltage
Magnitude |VBGOUT|
1.235
1.250
1.265
V
q
1.225
1.250
1.275
V
VBGOUTOS
Output Offset Voltage
–7
7
mV
[(VBGOUT+) + (VBGOUT–)]/2
q
–10
10
mV
IBGOUTSC
BGOUT Short-Circuit Current
q
±2
±4.5
mA
RBGOUT
BGOUT Output Impedance
– 2mA
≤ IBGOUT ≤ 2mA
0.2
tr
BGOUT Rise Time (10% to 90%)
ROUT = 5k, COUT = 10pF
q
160
300
ns
tf
BGOUT Fall Time (10% to 90%)
ROUT = 5k, COUT = 10pF
q
260
400
ns
tr-f
BGOUT RiseTime – Fall Time
q
– 200
–100
0
ns
tpr
BGOUT Propagation Delay PWM Input
ROUT = 5k, COUT = 10pF
q
340
500
ns
Transition to 10% Output (Rising Edge)
tpf
BGOUT Propagation Delay PWM Input
ROUT = 5k, COUT = 10pF
q
440
600
ns
Transition to 90% Output (Falling Edge)
tp
BGOUT Propagation Delay
q
– 200
–100
100
ns
Rising Edge – Falling Edge
Output Amplifier
VOUTOS
OUT Offset Voltage
VAMPIN = 0v, IOUT = 0A
– 6
6
mV
RAMPIN = 10k (Note 4)
q
–8
8
mV
ROUT
OUT Output Impedance
–10mA
≥ ILIM+ ≥ –100mA, LIM+ Shorted to OUT
0.01
10mA
≤ IOUT ≤ 100mA, LIM– Shorted to V–
0.15
IOUTSC
OUT Short-Circuit Current
LIM + Shorted to OUT
q
±100
±190
mA
LIM – Shorted to V –
ELECTRICAL CHARACTERISTICS
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LT1684CS#TR 功能描述:IC GENERATOR RING TONE 14SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS 產品變化通告:Product Discontinuation 06/Feb/2012 標準包裝:750 系列:*
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