|
|
High Speed Operational Amplifiers Dual and Quad 50MHz, 800V/ s Op Amps
- LT1361CS8#PBF
- Analog Devices
-
1:
Rp250.239
-
10.892In Stock
|
Mouser Part No
584-LT1361CS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers Dual and Quad 50MHz, 800V/ s Op Amps
|
|
10.892In Stock
|
|
|
Rp250.239
|
|
|
Rp190.065
|
|
|
Rp188.964
|
|
|
Rp160.528
|
|
|
Rp152.639
|
|
Min.: 1
Mult.: 1
|
|
|
LT1361
|
2 Channel
|
50 MHz
|
800 V/us
|
|
92 dB
|
34 mA
|
1 uA
|
300 uV
|
36 V
|
5 V
|
3.8 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers High Speed FET-Input Oper Amplifier A 59 A 595-OPA4132UA/2K5
- OPA4132UA
- Texas Instruments
-
1:
Rp280.877
-
6.746In Stock
|
Mouser Part No
595-OPA4132UA
|
Texas Instruments
|
High Speed Operational Amplifiers High Speed FET-Input Oper Amplifier A 59 A 595-OPA4132UA/2K5
|
|
6.746In Stock
|
|
|
Rp280.877
|
|
|
Rp222.170
|
|
|
Rp198.687
|
|
|
Rp191.349
|
|
|
View
|
|
|
Rp183.643
|
|
|
Rp179.057
|
|
|
Rp175.938
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
OPA4132
|
4 Channel
|
8 MHz
|
20 V/us
|
120 dB
|
86 dB
|
40 mA
|
50 pA
|
500 uV
|
36 V
|
5 V
|
4 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-14
|
Tube
|
|
|
|
High Speed Operational Amplifiers Low Power R-R I/O Amp
- AD8030ARZ
- Analog Devices
-
1:
Rp113.929
-
13.971In Stock
|
Mouser Part No
584-AD8030ARZ
|
Analog Devices
|
High Speed Operational Amplifiers Low Power R-R I/O Amp
|
|
13.971In Stock
|
|
|
Rp113.929
|
|
|
Rp80.539
|
|
|
Rp75.035
|
|
|
Rp66.046
|
|
|
View
|
|
|
Rp62.743
|
|
|
Rp56.322
|
|
|
Rp47.516
|
|
Min.: 1
Mult.: 1
|
|
|
AD8030
|
2 Channel
|
45 MHz
|
60 V/us
|
74 dB
|
90 dB
|
1.3 mA
|
1.3 uA
|
1.6 mV
|
12 V
|
2.7 V
|
170 mA
|
- 40 C
|
+ 125 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers WIDE BW, GAIN=1 OP AMP
- AD9631ARZ
- Analog Devices
-
1:
Rp326.926
-
1.551In Stock
|
Mouser Part No
584-AD9631ARZ
|
Analog Devices
|
High Speed Operational Amplifiers WIDE BW, GAIN=1 OP AMP
|
|
1.551In Stock
|
|
|
Rp326.926
|
|
|
Rp264.182
|
|
|
Rp253.358
|
|
|
Rp223.087
|
|
|
Quote
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
AD9631
|
1 Channel
|
110 MHz
|
1.3 kV/us
|
52 dB
|
90 dB
|
70 mA
|
7 uA
|
3 mV
|
12 V
|
6 V
|
18 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers L N, L Dist Fully Diff In/Out Amp/Drvr
- LT1994IMS8#PBF
- Analog Devices
-
1:
Rp154.840
-
6.729In Stock
|
Mouser Part No
584-LT1994IMS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers L N, L Dist Fully Diff In/Out Amp/Drvr
|
|
6.729In Stock
|
|
|
Rp154.840
|
|
|
Rp121.267
|
|
|
Rp103.105
|
|
|
Rp89.528
|
|
|
View
|
|
|
Rp85.492
|
|
|
Rp77.971
|
|
Min.: 1
Mult.: 1
|
|
|
LT1994
|
1 Channel
|
70 MHz
|
65 V/us
|
|
85 dB
|
85 mA
|
3 uA
|
3 mV
|
12.6 V
|
2.375 V
|
13.3 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
MSOP-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers High Speed FET-Input Oper Amplifier A 59 A 595-OPA132U/2K5
- OPA132U
- Texas Instruments
-
1:
Rp167.499
-
2.853In Stock
|
Mouser Part No
595-OPA132U
|
Texas Instruments
|
High Speed Operational Amplifiers High Speed FET-Input Oper Amplifier A 59 A 595-OPA132U/2K5
|
|
2.853In Stock
|
|
|
Rp167.499
|
|
|
Rp130.257
|
|
|
Rp129.890
|
|
|
Rp108.241
|
|
|
View
|
|
|
Rp104.939
|
|
|
Rp103.105
|
|
|
Rp100.353
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
OPA132
|
1 Channel
|
8 MHz
|
20 V/us
|
130 dB
|
96 dB
|
40 mA
|
50 pA
|
200 uV
|
36 V
|
5 V
|
4 mA
|
- 40 C
|
+ 125 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers Dual 12MHz, 400V/ s Op Amps
- LT1355CS8#PBF
- Analog Devices
-
1:
Rp279.593
-
7.242In Stock
|
Mouser Part No
584-LT1355CS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers Dual 12MHz, 400V/ s Op Amps
|
|
7.242In Stock
|
|
|
Rp279.593
|
|
|
Rp219.418
|
|
|
Rp218.134
|
|
|
Rp185.295
|
|
|
Rp176.305
|
|
Min.: 1
Mult.: 1
|
|
|
LT1355
|
2 Channel
|
12 MHz
|
400 V/us
|
|
97 dB
|
30 mA
|
300 nA
|
300 uV
|
36 V
|
5 V
|
1.25 mA
|
0 C
|
+ 70 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers 50MHz, 800V/ s Op Amp
- LT1360CS8#PBF
- Analog Devices
-
1:
Rp191.165
-
3.417In Stock
|
Mouser Part No
584-LT1360CS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 50MHz, 800V/ s Op Amp
|
|
3.417In Stock
|
|
|
Rp191.165
|
|
|
Rp147.685
|
|
|
Rp143.833
|
|
|
Rp122.184
|
|
|
Rp116.681
|
|
Min.: 1
Mult.: 1
|
|
|
LT1360
|
1 Channel
|
50 MHz
|
800 V/us
|
|
92 dB
|
34 mA
|
1 uA
|
300 uV
|
36 V
|
3 V
|
3.8 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers SOIC Hi Iout, Vltg Fdbk, Lo Cost Op Amp
- AD8055ARZ
- Analog Devices
-
1:
Rp93.014
-
8.394In Stock
|
Mouser Part No
584-AD8055ARZ
|
Analog Devices
|
High Speed Operational Amplifiers SOIC Hi Iout, Vltg Fdbk, Lo Cost Op Amp
|
|
8.394In Stock
|
|
|
Rp93.014
|
|
|
Rp62.927
|
|
|
Rp60.725
|
|
|
Rp51.552
|
|
|
View
|
|
|
Rp48.800
|
|
|
Rp43.847
|
|
|
Rp36.875
|
|
Min.: 1
Mult.: 1
|
|
|
AD8055
|
1 Channel
|
300 MHz
|
1.4 kV/us
|
71 dB
|
82 dB
|
60 mA
|
1.2 uA
|
3 mV
|
12 V
|
8 V
|
6.5 mA
|
- 40 C
|
+ 125 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers 70MHz, 1000V/ s Op Amp
- LT1363CS8#PBF
- Analog Devices
-
1:
Rp167.866
-
3.841In Stock
|
Mouser Part No
584-LT1363CS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 70MHz, 1000V/ s Op Amp
|
|
3.841In Stock
|
|
|
Rp167.866
|
|
|
Rp159.243
|
|
|
Rp151.905
|
|
|
Rp131.908
|
|
|
View
|
|
|
Rp125.854
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
LT1363
|
1 Channel
|
70 MHz
|
1 kV/us
|
|
90 dB
|
60 mA
|
2 uA
|
500 uV
|
36 V
|
3 V
|
6.3 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers 500MHz, 3nV/rtHz, AV =10 Op Amp
- LT1222IS8#PBF
- Analog Devices
-
1:
Rp280.510
-
207In Stock
|
Mouser Part No
584-LT1222IS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 500MHz, 3nV/rtHz, AV =10 Op Amp
|
|
207In Stock
|
|
|
Rp280.510
|
|
|
Rp220.152
|
|
|
Rp211.162
|
|
|
Rp185.662
|
|
|
View
|
|
|
Rp176.855
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
LT1222
|
1 Channel
|
500 MHz
|
200 V/us
|
46 dB
|
120 dB
|
26 mA
|
300 nA
|
100 uV
|
36 V
|
5 V
|
8 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers 2x 500mA, 200MHz xDSL Line Drvr Amp
- LT1739IUE#PBF
- Analog Devices
-
1:
Rp275.007
-
649In Stock
|
Mouser Part No
584-LT1739IUE#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 2x 500mA, 200MHz xDSL Line Drvr Amp
|
|
649In Stock
|
|
|
Rp275.007
|
|
|
Rp215.932
|
|
|
Rp207.126
|
|
|
Rp182.359
|
|
|
View
|
|
|
Rp173.370
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
LT1739
|
2 Channel
|
200 MHz
|
600 V/us
|
76 dB
|
83 dB
|
1.2 A
|
6 uA
|
1 mV
|
27 V
|
8 V
|
10 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
DFN-12
|
Tube
|
|
|
|
High Speed Operational Amplifiers Dual 80MHz, 25V/ s Low Power Rail-to-Rail Input and Output Precision Op Amps
- LT1801IMS8#PBF
- Analog Devices
-
1:
Rp192.816
-
830In Stock
|
Mouser Part No
584-LT1801IMS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers Dual 80MHz, 25V/ s Low Power Rail-to-Rail Input and Output Precision Op Amps
|
|
830In Stock
|
|
|
Rp192.816
|
|
|
Rp148.970
|
|
|
Rp141.998
|
|
|
Rp102.554
|
|
Min.: 1
Mult.: 1
|
|
|
LT1801
|
2 Channel
|
80 MHz
|
25 V/us
|
|
105 dB
|
45 mA
|
250 nA
|
140 uV
|
12.6 V
|
2.3 V
|
1.6 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
MSOP-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers 1x/2x/4x 100V/ s, 85MHz, R2R In & Out O
- LT1804IS8#PBF
- Analog Devices
-
1:
Rp184.928
-
693In Stock
|
Mouser Part No
584-LT1804IS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 1x/2x/4x 100V/ s, 85MHz, R2R In & Out O
|
|
693In Stock
|
|
|
Rp184.928
|
|
|
Rp142.915
|
|
|
Rp136.311
|
|
|
Rp118.332
|
|
|
View
|
|
|
Rp113.011
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
LT1804
|
2 Channel
|
83 MHz
|
100 V/us
|
|
96 dB
|
42 mA
|
5.5 uA
|
1.5 mV
|
12.6 V
|
2.3 V
|
2.7 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers 2x 165MHz, R2R In & Out, 0.95nV/vHz L
- LT6201IS8#PBF
- Analog Devices
-
1:
Rp302.892
-
180In Stock
|
Mouser Part No
584-LT6201IS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 2x 165MHz, R2R In & Out, 0.95nV/vHz L
|
|
180In Stock
|
|
|
Rp302.892
|
|
|
Rp237.764
|
|
|
Rp228.041
|
|
|
Rp200.522
|
|
|
View
|
|
|
Rp190.982
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
LT6201
|
2 Channel
|
165 MHz
|
44 V/us
|
|
112 dB
|
90 mA
|
18 uA
|
1.8 mV
|
12.6 V
|
2.5 V
|
20 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers QUAD LOW PWR JFET OP AMP
- OP482GPZ
- Analog Devices
-
1:
Rp267.485
-
277In Stock
|
Mouser Part No
584-OP482GPZ
|
Analog Devices
|
High Speed Operational Amplifiers QUAD LOW PWR JFET OP AMP
|
|
277In Stock
|
|
|
Rp267.485
|
|
|
Rp203.090
|
|
|
Rp157.776
|
|
|
Rp150.254
|
|
Min.: 1
Mult.: 1
|
|
|
OP482
|
4 Channel
|
4 MHz
|
9 V/us
|
|
90 dB
|
10 mA
|
100 pA
|
4 mV
|
36 V
|
9 V
|
210 uA
|
- 40 C
|
+ 85 C
|
Through Hole
|
PDIP-14
|
Tube
|
|
|
|
High Speed Operational Amplifiers 250MHz Rail-to-Rail I/O CMOS Dual ALT 59 ALT 595-OPA2354AIDDA
- OPA2354AIDDAG3
- Texas Instruments
-
1:
Rp77.604
-
924In Stock
|
Mouser Part No
595-OPA2354AIDDAG3
|
Texas Instruments
|
High Speed Operational Amplifiers 250MHz Rail-to-Rail I/O CMOS Dual ALT 59 ALT 595-OPA2354AIDDA
|
|
924In Stock
|
|
|
Rp77.604
|
|
|
Rp58.524
|
|
|
Rp53.937
|
|
|
Rp48.617
|
|
|
View
|
|
|
Rp45.315
|
|
|
Rp44.764
|
|
|
Rp43.480
|
|
|
Rp42.196
|
|
Min.: 1
Mult.: 1
|
|
|
OPA2354
|
2 Channel
|
100 MHz
|
150 V/us
|
110 dB
|
80 dB
|
100 mA
|
50 pA
|
2 mV
|
5.5 V
|
2.5 V
|
4.9 mA
|
- 40 C
|
+ 125 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers Dual Wideband Hi-Out put Current A 595-O A 595-OPA2613IDR
- OPA2613ID
- Texas Instruments
-
1:
Rp182.910
-
359In Stock
|
Mouser Part No
595-OPA2613ID
|
Texas Instruments
|
High Speed Operational Amplifiers Dual Wideband Hi-Out put Current A 595-O A 595-OPA2613IDR
|
|
359In Stock
|
|
|
Rp182.910
|
|
|
Rp137.045
|
|
|
Rp130.807
|
|
|
Rp113.562
|
|
|
View
|
|
|
Rp108.425
|
|
|
Rp98.885
|
|
|
Rp87.144
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
OPA2613
|
2 Channel
|
125 MHz
|
70 V/us
|
97 dB
|
100 dB
|
350 mA
|
14.5 uA
|
200 uV
|
12 V
|
5 V
|
6 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers Single Lo-Distort Cu rrent Feedback
- THS3095D
- Texas Instruments
-
1:
Rp486.719
-
194In Stock
|
Mouser Part No
595-THS3095D
|
Texas Instruments
|
High Speed Operational Amplifiers Single Lo-Distort Cu rrent Feedback
|
|
194In Stock
|
|
|
Rp486.719
|
|
|
Rp380.863
|
|
|
Rp371.873
|
|
|
Rp301.792
|
|
|
View
|
|
|
Rp298.489
|
|
|
Rp294.453
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
THS3095
|
1 Channel
|
235 MHz
|
7.3 kV/us
|
|
69 dB
|
250 mA
|
15 uA
|
900 uV
|
32 V
|
10 V
|
9.5 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers 2x 100MHz C F Amps
- LT1229CS8#PBF
- Analog Devices
-
1:
Rp214.465
-
193In Stock
|
Mouser Part No
584-LT1229CS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 2x 100MHz C F Amps
|
|
193In Stock
|
|
|
Rp214.465
|
|
|
Rp156.858
|
|
|
Rp136.861
|
|
|
Rp134.109
|
|
|
Rp131.174
|
|
Min.: 1
Mult.: 1
|
|
|
LT1229
|
2 Channel
|
100 MHz
|
1 kV/us
|
65 dB
|
69 dB
|
30 mA
|
|
3 mV
|
36 V
|
4 V
|
6 mA
|
0 C
|
+ 70 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers Dual and Quad 70MHz, 1000V/ s Op Amps
- LT1365CS#PBF
- Analog Devices
-
1:
Rp441.955
-
188In Stock
|
Mouser Part No
584-LT1365CS#PBF
|
Analog Devices
|
High Speed Operational Amplifiers Dual and Quad 70MHz, 1000V/ s Op Amps
|
|
188In Stock
|
|
|
Rp441.955
|
|
|
Rp354.995
|
|
|
Rp300.507
|
|
|
Rp290.784
|
|
Min.: 1
Mult.: 1
|
|
|
LT1365
|
4 Channel
|
70 MHz
|
1 kV/us
|
|
90 dB
|
60 mA
|
2 uA
|
500 uV
|
36 V
|
3 V
|
6 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-16
|
Tube
|
|
|
|
High Speed Operational Amplifiers 165MHz, R2R In & Out, 0.95nV/vHz L N,
- LT6200IS8-10#PBF
- Analog Devices
-
1:
Rp167.866
-
416In Stock
|
Mouser Part No
584-LT6200IS8-10#PBF
|
Analog Devices
|
High Speed Operational Amplifiers 165MHz, R2R In & Out, 0.95nV/vHz L N,
|
|
416In Stock
|
|
|
Rp167.866
|
|
|
Rp121.451
|
|
|
Rp115.763
|
|
|
Rp100.536
|
|
|
View
|
|
|
Rp95.950
|
|
|
Rp87.510
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
LT6200
|
1 Channel
|
1.6 GHz
|
340 V/us
|
|
112 dB
|
90 mA
|
18 uA
|
1.8 mV
|
12.6 V
|
2.5 V
|
20 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers Dual Wideband Voltag e Feedback A 595-OP A 595-OPA2690I-14DR
- OPA2690I-14D
- Texas Instruments
-
1:
Rp145.117
-
437In Stock
|
Mouser Part No
595-OPA2690I-14D
|
Texas Instruments
|
High Speed Operational Amplifiers Dual Wideband Voltag e Feedback A 595-OP A 595-OPA2690I-14DR
|
|
437In Stock
|
|
|
Rp145.117
|
|
|
Rp112.278
|
|
|
Rp99.068
|
|
|
Rp94.849
|
|
|
View
|
|
|
Rp90.813
|
|
|
Rp88.244
|
|
|
Rp86.043
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
OPA2690
|
2 Channel
|
300 MHz
|
1.8 kV/us
|
69 dB
|
65 dB
|
190 mA
|
13 uA
|
1 mV
|
12 V
|
5 V
|
5.5 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-14
|
Tube
|
|
|
|
High Speed Operational Amplifiers Low Cost Voltage Feedback RR Dual
- ADA4851-2YRMZ
- Analog Devices
-
1:
Rp45.682
-
1.793In Stock
|
Mouser Part No
584-ADA4851-2YRMZ
|
Analog Devices
|
High Speed Operational Amplifiers Low Cost Voltage Feedback RR Dual
|
|
1.793In Stock
|
|
|
Rp45.682
|
|
|
Rp34.124
|
|
|
Rp28.987
|
|
|
Rp27.702
|
|
|
View
|
|
|
Rp26.235
|
|
|
Rp25.317
|
|
|
Rp24.951
|
|
|
Rp23.666
|
|
|
Rp23.116
|
|
Min.: 1
Mult.: 1
|
|
|
ADA4851-2
|
2 Channel
|
70 MHz
|
375 V/us
|
107 dB
|
105 dB
|
66 mA
|
3.9 uA
|
600 uV
|
12 V
|
2.7 V
|
2.5 mA
|
- 40 C
|
+ 125 C
|
SMD/SMT
|
MSOP-8
|
Tube
|
|
|
|
High Speed Operational Amplifiers L N, Hi Speed Prec Op Amps
- LT1037IS8#PBF
- Analog Devices
-
1:
Rp294.637
-
848In Stock
|
Mouser Part No
584-LT1037IS8#PBF
|
Analog Devices
|
High Speed Operational Amplifiers L N, Hi Speed Prec Op Amps
|
|
848In Stock
|
|
|
Rp294.637
|
|
|
Rp231.160
|
|
|
Rp221.803
|
|
|
Rp195.201
|
|
|
View
|
|
|
Rp185.662
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
LT1007
|
1 Channel
|
60 MHz
|
15 V/us
|
|
126 dB
|
20.8 mA
|
55 nA
|
20 uV
|
44 V
|
8 V
|
2.6 mA
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
SOIC-8
|
Tube
|
|
Indonesia
