ΔVOSCM" />
參數(shù)資料
型號(hào): LT1994MPDD#TRPBF
廠商: Linear Technology
文件頁數(shù): 15/20頁
文件大?。?/td> 0K
描述: IC DIFF AMP/DRIVER LN 8-MSOP
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 差分
電路數(shù): 1
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 65 V/µs
增益帶寬積: 70MHz
電流 - 輸入偏壓: 18µA
電壓 - 輸入偏移: 3000µV
電流 - 電源: 14.8mA
電流 - 輸出 / 通道: 85mA
電壓 - 電源,單路/雙路(±): 2.375 V ~ 12.6 V,±1.188 V ~ 6.3 V
工作溫度: -55°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 8-DFN-EP(3x3)
包裝: 帶卷 (TR)
LT1994
4
1994fb
SYMBOL
PARAMETER
CONDITIONS
C/I GRADES
H/MP GRADES
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
ΔVOSCM/ΔT Common Mode Offset Voltage Drift
VS = 2.375V, VICM = VS/4
VS = 3V
VS = 5V
VS = ±5V
5
μV/°C
VOUTCMR
(Note 7)
Output Signal Common Mode Range
(Voltage Range for the VOCM Pin)
VS = 3V, ±5V
l
V+
1.1
V+
– 0.8
V+
1.1
V+
– 0.8
V
RINVOCM
Input Resistance, VOCM Pin
l
30
40
60
30
40
60
k
Ω
VMID
Voltage at the VOCM Pin
VS = 5V
l
2.45
2.5
2.55
2.45
2.5
2.55
V
VOUT
Output Voltage, High, Either Output Pin
(Note 10)
VS = 3V, No Load
VS = 3V, RL = 800Ω
VS = 3V, RL = 100Ω
l
70
90
200
140
175
400
70
90
200
140
175
400
mV
VS = ±5V, No Load
VS = ±5V, RL = 800Ω
VS = ±5V, RL = 100Ω
l
150
200
900
325
450
2400
150
200
900
325
450
2400
mV
Output Voltage, Low, Either Output Pin
(Note 10)
VS = 3V, No Load
VS = 3V, RL = 800Ω
VS = 3V, RL = 100Ω
l
30
50
125
70
90
250
30
50
125
70
90
250
mV
VS = ±5V, No Load
VS = ±5V, RL = 800Ω
VS = ±5V, RL = 100Ω
l
80
125
900
180
250
2400
80
125
900
180
250
2400
mV
ISC
Output Short-Circuit Current, Either
Output Pin (Note 11)
VS = 2.375V, RL = 10Ω
VS = 3V, RL = 10Ω
VS = 5V, RL = 10Ω
VS = ±5V, VCM = 0V, RL = 10Ω
l
±25
±30
±40
±45
±35
±40
±65
±85
±10
±15
±40
±45
±35
±40
±65
±85
mA
SR
Slew Rate
VS = 5V, ΔVOUT+ = –ΔVOUT– = 1V
VS = ±5V, VCM = 0V,
ΔVOUT+= –ΔVOUT–= 1.8V
l
50
65
85
50
65
85
V/μS
GBW
Gain-Bandwidth Product
(fTEST = 1MHz)
VS = 3V, TA = 25°C
VS = ±5V, VCM = 0V, TA = 25°C
l
58
70
58
70
MHz
Distortion
VS = 3V, RL = 800Ω, fIN = 1MHz,
VOUT+ – VOUT– = 2VP-P
Differential Input
2nd Harmonic
3rd Harmonic
Single-Ended Input
2nd Harmonic
3rd Harmonic
–99
–96
–94
–108
–99
–96
–94
–108
dBc
tS
Settling Time
VS = 3V, 0.01%, 2V Step
VS = 3V, 0.1%, 2V Step
120
90
120
90
ns
AVOL
Large-Signal Voltage Gain
VS = 3V
100
dB
VS
Supply Voltage Range
l 2.375
12.6
2.375
12.6
V
IS
Supply Current
VS = 3V
VS = 5V
VS = ±5V
l
13.3
13.9
14.8
18.5
19.5
20.5
13.3
13.9
14.8
20.0
20.5
21.5
mA
ISHDN
Supply Current in Shutdown
VS = 3V
VS = 5V
VS = ±5V
l
0.225
0.375
0.7
0.8
1.75
2.5
0.225
0.375
0.7
0.8
1.75
2.5
mA
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. V+ = 3V, V= 0V, VCM = VOCM = VICM = mid-supply, VSHDN = OPEN,
RI = RF = 499Ω, RL = 800Ω to a mid-supply voltage (See Figure 1) unless otherwise noted. VS is dened (V+ – V). VOUTCM is dened
as (VOUT+ + VOUT–)/2. VICM is dened as (VIN+ + VIN–)/2. VOUTDIFF is dened as (VOUT+ – VOUT–). VINDIFF is dened as (VIN+ – VIN–).
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