SAR ADC Drivers

SAR ADC Drivers
5V
Up to
4.25V
0V
+
LTC6360
0V
18-Bit SAR
–
MUX
Ultralow Noise
Charge Pump
LT6020
LTC2379-18
18-Bit SAR
5V
LTC2378-20
20-Bit SAR
LTC6363
–5V
Linear Technology offers a wide range of amplifiers for driving the industry’s highest performance successive approximation
register (SAR) ADCs, including:
LTC®6363: High Performance Low Power Differential Driver
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100µV Max VOS, 2.9nV/√Hz en
Single-Ended or Differential In, Differential Out
1.8mA IS, 20µA Shutdown
780ns 18-Bit, 8VP-P Settling
100µA/Amplifier, 5V/µs Enhanced Slew Rate
30µV Maximum VOS, 0.5µV/°C Maximum Drift
High Dynamic Input Impedance
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LT®6350: Low Noise Single-Ended to Differential Conversion
350ns Settling to 16 Bits
400µV Max VOS, 1.9nV/√Hz en
2.7V to 12V Supply
LT6020: Precision Op Amp for Low Power, Fast Multiplexing
LTC6246/LTC6247/LTC6248, LTC6252/LTC6253/LTC6254,
LTC6255/LTC6256/LTC6257: Power Efficient Op Amps
Single in SOT-23, Dual in 2mm × 2mm DFN, SOT-23, MSOP,
Quad in MSOP Packages
LTC6252: 720MHz GBW, 2.75nV/√Hz en, 3.5mA Max
LTC6246: 180MHz GBW, 4.2nV/√Hz en, 1mA Max
LTC6255: 6.5MHz GBW, 20nV/√Hz en, 85µA Max
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Linear Technology Signal Chain Products
Differential Amplifiers
Delta Sigma ADCs
D-to-A Converters
Precision Amplifiers
High Speed Amplifiers
SAR ADCs
TimerBlox ® Silicon Timers and
Silicon Oscillators
Comparators
Filters
High Speed ADCs
Interface and Isolation
Switches and
Multiplexers
Wireless Sensor Networks
Matched Resistors
Voltage References
L, LT, LTC, LTM, Linear Technology, the Linear logo, TimerBlox
and Over-The-Top are registered trademarks of Linear Technology
Corporation. All other trademarks are the property of their
respective owners.
Differential Output Amplifiers for SAR ADCs
Part Number
LTC6363
LTC6362
LT6350
LTC1992
LT1994
LTC6403
LTC6404
LTC6405
LTC6406
LTC6409
Input
SE, Diff
SE, Diff
SE
SE, Diff
SE, Diff
SE, Diff
SE, Diff
SE, Diff
SE, Diff
SE, Diff
VOS Max
25°C (μV)
100
200
500
2500
2000
1500
2000
3500
3500
1000
Highest Precision
Good
Better
Best
Single Part
Number
LTC2054
LTC2050
LTC2057
LT1007
LT1028
LT1097
LT6015
LT1677
LT1468
LT1468-2
LTC6240
Fastest
LT6003
LTC6255
LT6230-10
LT6000
LT1803
LT6220
LT1800
LT1354
LT6233
LT6200
LT1357
LT1226
LT1722
LT6202
LT1222
LTC6246
LT1360
LT1806
LT1363
LT6234
LT6360
LTC6252
LT1812
LT1809
LT1815
LT1818
IB Max
25°C (nA)
1000
260
6800
0.25
45000
25000
60000
24000
14000
GBW Typ
25°C (MHz)
500
180
85
4
70
200
500
2700
3000
10000
0.1% Settling
Time (ns)
350
230
200
90
30
13
11
11
1.9
en Typ 25°C
(nV/√Hz)
2.9
3.9
1.9
45
3
2.8
1.5
1.6
1.6
1.1
IS Max 25°C
(mA)
1.8
0.96
5.8
1
18.5
11.8
35.5
23
22
56
VS Min
(V)
2.8
2.8
2.7
2.7
2.375
2.7
2.7
4.5
2.7
2.7
VS Max
(V)
11
5.25
12
12
12.6
5.25
5.25
5.5
3.5
5.25
Rail-to-Rail
I/O
Out
Yes
Yes
Out
Out
Out
Out
In
In
SS
Operational Amplifiers for Driving SAR ADCs
Dual Part
Number
LTC2055
LTC2051
Quad Part
Number
LTC6078
LTC6079
LTC2052
LT6023
LT6020
LT6016
LT6017
LT2078
LTC6081
LT1124
LT1469
LT1469-2
LT1678
LTC6244
LTC6241
LT1211
LT1492
LT1498
LT6004
LTC6256
LT2079
LTC6082
LT1125
LT6001
LT1630
LT1632
LT1804
LT6221
LT1801
LT1355
LT6234
LT6201
LT1358
LT6002
LT1631
LT1633
LT1805
LT6222
LT1802
LT1356
LT6235
LT1723
LT6203
LT1724
LT6204
LTC6247
LT1361
LT1807
LT1364
LT6235
LTC6248
LT1362
LTC6253
LT1813
LT1810
LT1816
LT1819
LTC6254
LT1814
LT1679
LTC6242
LT1212
LT1493
LT1499
LT6005
LTC6257
LT1359
LT1365
LT6232
LT1817
VOS Max
25°C (μV)
3
3
4
25
25
30
30
40
50
50
60
70
70
70
75
75
100
100
125
150
180
475
500
350
500
600
525
1350
2000
350
350
800
350
1000
600
1000
400
500
300
500
1000
550
1500
500
250
350
1500
2500
1500
1500
IB Max
25°C (nA)
0.15
0.05
0.015
0.001
0.1
3
3
90
0.25
5
20
8
0.001
20
40
40
20
0.075
0.075
100
100
650
0.09
60
10000
5
1000
2200
750
150
250
300
3000
40000
500
8000
300
7000
300
350
1000
4000
2000
10000
30000
650
4000
8000
8000
8000
GBW Typ
25°C (MHz)
0.5
3
1.5
0.75
8
0.04
0.4
75
0.7
3.2
7.2
0.2
3.6
12.5
90
200
20
50
18
13
4.5
10.5
0.002
6.5
1450
0.05
30
45
80
60
80
12
60
165
25
1000
200
100
500
180
50
325
70
215
1000
720
100
160
220
400
0.1% Settling en Typ 25°C
Time (ns)
(nV/√Hz)
5000
2000
11
24000
18
2.5
40000
132
6000
46
0.85
14
3500
18
5000
3.2
10000
28
6000
13
2.7
760
5
600
5
3.9
535
8
900
7
900
12
2600
16.5
12
325
4000
20
1.1
75
520
6
400
12
350
21
300
10
250
8.5
230
10
170
1.9
140
0.95
115
8
100
2.6
91
3.8
78
1.9
75
3
74
4.2
60
9
60
3.5
50
9
50
1.1
45
2.3
36
2.75
30
8
27
16
15
6
10
6
IS Max
25°C (mA)
0.18
1.5
1.21
0.072
4
0.02
0.1
9.5
0.56
0.335
3.5
0.05
0.43
2.75
5
5
3.4
7.4
2.2
1.8
0.55
2.2
0.001
0.073
3.75
0.016
4.4
5.2
3
1
2
1.25
1.25
23
2.5
9
4.5
3.5
10.5
1
4.8
13
7.5
3.75
17.5
3.5
3.6
17
7.8
10
VS Min
(V)
2.7
2.7
4.75
2.7
4
3
3
8
2
3
2.5
2.3
2.7
8
9
9
3
2.8
2.8
2.5
2.1
2.2
1.6
1.8
3
1.8
2.6
2.6
2.3
2.2
2.3
5
3
2.5
5
5
4.6
2.50
5
2.5
3
2.5
3
3
4.75
2.5
2.5
2.5
2.5
3.5
VS Max
(V)
12
12
60
6
44
30
30
44
40
50
44
44
5.5
44
36
36
36
7
6
36
36
36
16
5.25
12.6
18
36
36
12.6
12.6
12.6
36
12.6
12.6
36
36
12.6
12.6
36
5.25
36
12.6
36
12.6
5.25
5.25
12.6
12.6
12.6
12.6
Rail-toRail I/O
Out
Out
Out
Yes
Out
Out
OTT
Yes
SS
Yes
Yes
Out
Out
SS
SS
Yes
Yes
Yes
Out
Yes
Yes
Yes
Yes
Yes
Yes
Out
Yes
Yes
Yes
Yes
Out
Out
Yes
Yes
* Some parameters vary between single/dual/quad versions. For a complete list of products and full specifications visit www.linear.com
OTT =Over-The-Top®. This feature allows full functionality when the input voltage exceeds the supply voltage.
SS = Single Supply. Input common mode range includes V–. See data sheet for details.
www.linear.com/6362 n 1-800-4-LINEAR
0316A