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PDF LT6222 Data sheet ( Hoja de datos )
| Número de pieza | LT6222 | |
| Descripción | (LT6220 - LT6222) Rail-to-Rail Input and Output Precision Op Amps | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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LT6220/LT6221/LT6222
Single/Dual/Quad 60MHz,
20V/µs, Low Power, Rail-to-Rail Input
and Output Precision Op Amps
FEATURES
■ Gain Bandwidth Product: 60MHz
■ Input Common Mode Range Includes Both Rails
■ Output Swings Rail-to-Rail
■ Low Quiescent Current: 1mA Max
■ Input Offset Voltage: 350µV Max
■ Input Bias Current: 150nA Max
■ Wide Supply Range: 2.2V to 12.6V
■ Large Output Current: 50mA Typ
■ Low Voltage Noise: 10nV√Hz Typ
■ Slew Rate: 20V/µs Typ
■ Common Mode Rejection: 102dB Typ
■ Power Supply Rejection: 105dB Typ
■ Open-Loop Gain: 100V/mV Typ
■ Operating Temperature Range: – 40°C to 85°C
■ Single in the 8-Pin SO and 5-Pin Low Profile
(1mm) ThinSOTTM Packages
■ Dual in the 8-Pin SO and (3mm x 3mm) DFN
Packages
■ Quad in the 16-Pin SSOP Package
U
APPLICATIO S
■ Low Voltage, High Frequency Signal Processing
■ Driving A/D Converters
■ Rail-to-Rail Buffer Amplifiers
■ Active Filters
■ Video Amplifiers
■ Fast Current Sensing Amplifiers
DESCRIPTIO
The LT®6220/LT6221/LT6222 are single/dual/quad, low
power, high speed rail-to-rail input and output operational
amplifiers with excellent DC performance. The LT6220/
LT6221/LT6222 feature reduced supply current, lower
input offset voltage, lower input bias current and higher
DC gain than other devices with comparable bandwidth.
Typically, the LT6220/LT6221/LT6222 have an input off-
set voltage of less than 100µV, an input bias current of less
than 15nA and an open-loop gain of 100V/mV. The parts
have an input range that includes both supply rails and an
output that swings within 10mV of either supply rail to maxi-
mize the signal dynamic range in low supply applications.
The LT6220/LT6221/LT6222 maintain performance for
supplies from 2.2V to 12.6V and are specified at 3V, 5V
and ±5V supplies. The inputs can be driven beyond the
supplies without damage or phase reversal of the output.
The LT6220 is housed in the 8-pin SO package with the
standard op amp pinout as well as the 5-pin SOT-23
package. The LT6221 is available in 8-pin SO and DFN
(3mm × 3mm low profile dual fine pitch leadless) pack-
ages with the standard op amp pinout. The LT6222 fea-
tures the standard quad op amp configuration and is
available in the 16-Pin SSOP package. The LT6220/ LT6221/
LT6222 can be used as plug-in replacements for many op
amps to improve input/output range and performance.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
Stepped-Gain Photodiode Amplifier
VS+
30pF
3.24k
10k
VS+
IPD
PHOTODIODE
~4pF
1pF
100k
VS+
–
LT6220
+
VS–
VS– 33k
VS = ±1.5V TO ±5V
LT1634-1.25
VOUT
622012 TA01
VOS Distribution, VCM = 0V
(S8, PNP Stage)
50
VS = 5V, 0V
45 VCM = 0V
40
35
30
25
20
15
10
5
0
–250
–150 –50 0 50 150
INPUT OFFSET VOLTAGE (µV)
250
622012 G01
sn622012 622012fs
1
1 page  
LT6220/LT6221/LT6222
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the –40°C ≤ TA ≤ 85°C
temperature range. VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply unless otherwise noted. (Note 5)
SYMBOL PARAMETER
CONDITIONS
VOS
∆VOS
VOS TC
Input Offset Voltage
VCM = 0V
VCM = 0V (DD Package)
VCM = 0V (S5 Package)
VCM = VS
VCM = VS (S5 Package)
Input Offset Voltage Shift
VS = 5V, VCM = 0V to 3.5V
VS = 3V, VCM = 0V to 1.5V
Input Offset Voltage Match (Channel-to-Channel) VCM = 0V
(Note 9)
VCM = 0V (DD Package)
Input Offset Voltage Drift (Note 8)
(S5 Package)
●
●
●
●
●
●
●
●
●
●
●
IB
IOS
AVOL
CMRR
Input Bias Current
Input Bias Current Match (Channel-to-Channel)
(Note 9)
Input Offset Current
Large Signal Voltage Gain
Common Mode Rejection Ratio
CMRR Match (Channel-to-Channel) (Note 9)
Input Common Mode Range
VCM = 1V
VCM = VS – 0.2V
VCM = 1V
VCM = VS – 0.2V
VCM = 1V
VCM = VS – 0.2V
VS = 5V, VO = 0.5V to 4.5V, RL = 1k at VS/2
VS = 5V, VO = 1.5V to 3.5V, RL = 100Ω at VS/2
VS = 3V, VO = 0.5V to 2.5V, RL= 1k at VS/2
VS = 5V, VCM = 0V to 3.5V
VS = 3V, VCM = 0V to 1.5V
VS = 5V, VCM = 0V to 3.5V
VS = 3V, VCM = 0V to 1.5V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
PSRR
Power Supply Rejection Ratio
PSRR Match (Channel-to-Channel) (Note 9)
VS = 2.5V to 10V, VCM = 0V
●
●
Minimum Supply Voltage (Note 6)
●
VOL Output Voltage Swing LOW (Note 7)
VOH Output Voltage Swing HIGH (Note 7)
ISC Short-Circuit Current
IS Supply Current Per Amplifier
GBW Gain-Bandwidth Product
SR Slew Rate
No Load
ISINK = 5mA
ISINK = 10mA
No Load
ISOURCE = 5mA
ISOURCE = 10mA
VS = 5V
VS = 3V
VS = 5V, Frequency = 1MHz
VS = 5V, AV = –1, RL = 1k, VO = 4V
●
●
●
●
●
●
●
●
●
●
●
MIN
25
2.5
20
81
77
76
72
0
79
74
12.5
12.5
25
8
TYP
125
300
350
0.75
1
30
30
175
300
1.5
3.5
25
300
15
20
20
20
70
8
60
100
100
100
100
104
104
2.2
10
120
220
10
160
325
30
25
1.1
50
15
MAX UNITS
700 µV
1300 µV
2000 µV
3.5 mV
4.5 mV
300 µV
210 µV
1200 µV
2200 µV
7.5 µV/°C
15 µV/°C
200 nA
900 nA
250 nA
350 nA
150 nA
150 nA
V/mV
V/mV
V/mV
dB
dB
dB
dB
VS V
dB
dB
2.5 V
60 mV
240 mV
450 mV
60 mV
325 mV
650 mV
mA
mA
1.5 mA
MHz
V/µs
sn622012 622012fs
5
5 Page 
LT6220/LT6221/LT6222
TYPICAL PERFOR A CE CHARACTERISTICS
Input Current Noise vs Frequency
3.0
VS = 5V, 0V
2.5
2.0
1.5
PNP ACTIVE
1.0 VCM = 2.5V
0.5
0
0.01
NPN ACTIVE
VCM = 4.25V
0.1 1
10
FREQUENCY (kHz)
100
622012 G19
Gain Bandwidth and Phase
Margin vs Temperature
90
80
GAIN BANDWIDTH PRODUCT
70 VS = ±2.5V
60
50 VS = ±5V
PHASE MARGIN VS = ±5V
70
60
VS = ±2.5V
50
40
30
–55 –25 5 35 65 95
TEMPERATURE (°C)
20
125
622012 G22
Gain vs Frequency (AV = 1)
15
AV = 1
12 CL = 10pF
9 RL = 1k
6
3
VS = ±2.5V
0
VS = ±5V
–3
–6
–9
–12
–15
0.1
1 10
FREQUENCY (MHz)
100
622012 G25
0.1Hz to 10Hz Output Voltage Noise
800
VS = 5V, 0V
600
400
200
0
–200
–400
–600
–800
0 1 2 3 4 5 6 7 8 9 10
TIME (SECONDS)
622012 G20
Gain Bandwidth and Phase
Margin vs Supply Voltage
90
TA = 25°C
80
70
GAIN BANDWIDTH PRODUCT
60
50
PHASE MARGIN
70
60
50
40
30
20
0 1 2 3 4 5 6 7 8 9 10
TOTAL SUPPLY VOLTAGE (V)
622012 G21
Gain and Phase vs Frequency
80
120
70 100
PHASE
60 80
VS = ±5V
50 60
40
VS = ±2.5V
40
30 20
GAIN VS = ±2.5V
20 0
10 VS = ±5V
–20
0 –40
–10 –60
–20
10k
100k 1M 10M
FREQUENCY (Hz)
–80
100M
622012 G23
Gain vs Frequency (AV = 2)
15
12
9
6
3
VS = ±2.5V
0
VS = ±5V
–3
–6 AV = 2
–9
RF = RG = 1k
CF = 20pF
–12 CL = 10pF
RL = 1k
–15
0.1 1
10
FREQUENCY (MHz)
100
622012 G26
Slew Rate vs Temperature
30
AV = –1
RF = RG = 1k
RL = 1k
VS = ±5V
25
VS = ±2.5V
20
15
–55
–25 5 35 65
TEMPERATURE (°C)
95 125
622012 G24
Output Impedance vs Frequency
1000
VS = ±2.5V
100
10 AV = 10
1
AV = 2
0.1 AV = 1
0.01
0.001
0.1
1 10
FREQUENCY (MHz)
100
620012 G27
sn622012 622012fs
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet LT6222.PDF ] | |
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