|
|
Analog Comparators Input Full Swing, Open Drain Output Low Supply Current CMOS Comparator
- BU7250G-TR
- ROHM Semiconductor
-
1:
$1.13
-
2,960In Stock
|
Mouser Part #
755-BU7250G-TR
|
ROHM Semiconductor
|
Analog Comparators Input Full Swing, Open Drain Output Low Supply Current CMOS Comparator
|
|
2,960In Stock
|
|
|
$1.13
|
|
|
$0.802
|
|
|
$0.72
|
|
|
$0.63
|
|
|
$0.514
|
|
|
View
|
|
|
$0.587
|
|
|
$0.561
|
|
|
$0.54
|
|
|
$0.50
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
|
SMD/SMT
|
SSOP-5
|
1 Channel
|
Open Drain
|
|
General Purpose
|
1.8 V
|
5.5 V
|
35 uA
|
6 mA
|
11 mV
|
1 pA
|
- 40 C
|
+ 85 C
|
BU7250G
|
Reel, Cut Tape
|
|
|
|
Analog Comparators 1.8-5.5V 2 CHAN 0.035mV 0.001nA
- BU7252F-E2
- ROHM Semiconductor
-
1:
$4.53
-
955In Stock
|
Mouser Part #
755-BU7252F-E2
|
ROHM Semiconductor
|
Analog Comparators 1.8-5.5V 2 CHAN 0.035mV 0.001nA
|
|
955In Stock
|
|
|
$4.53
|
|
|
$2.94
|
|
|
$2.67
|
|
|
$2.26
|
|
|
$1.40
|
|
|
View
|
|
|
$2.12
|
|
|
$1.85
|
|
|
$1.59
|
|
|
$1.39
|
|
Min.: 1
Mult.: 1
:
2,500
|
|
|
SMD/SMT
|
SOP-8
|
2 Channel
|
Push-Pull
|
|
General Purpose
|
1.8 V
|
5.5 V
|
35 uA
|
6 mA
|
11 mV
|
1 pA
|
- 40 C
|
+ 85 C
|
BU7252F
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators
- NJU77251F3-TE1
- Nisshinbo
-
1:
$1.27
-
2,455In Stock
|
Mouser Part #
848-NJU77251F3-TE1
|
Nisshinbo
|
Analog Comparators
|
|
2,455In Stock
|
|
|
$1.27
|
|
|
$0.90
|
|
|
$0.81
|
|
|
$0.711
|
|
|
$0.581
|
|
|
View
|
|
|
$0.663
|
|
|
$0.636
|
|
|
$0.612
|
|
|
$0.572
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
|
SMD/SMT
|
SC-88A-5
|
1 Channel
|
Push-Pull
|
|
|
2.7 V
|
5.5 V
|
140 uA
|
|
1 mV
|
1 pA
|
- 40 C
|
+ 125 C
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Automotive dual low- power 15-V comparat A 926-LMC6772QMMX/NOPB
- LMC6772QMM/NOPB
- Texas Instruments
-
1:
$5.72
-
653In Stock
|
Mouser Part #
926-LMC6772QMM/NOPB
|
Texas Instruments
|
Analog Comparators Automotive dual low- power 15-V comparat A 926-LMC6772QMMX/NOPB
|
|
653In Stock
|
|
|
$5.72
|
|
|
$4.32
|
|
|
$3.97
|
|
|
$3.58
|
|
|
$3.19
|
|
|
View
|
|
|
$3.40
|
|
|
$3.29
|
|
|
$3.07
|
|
|
$3.03
|
|
Min.: 1
Mult.: 1
:
1,000
|
|
|
SMD/SMT
|
VSSOP-8
|
2 Channel
|
Open Drain
|
4 us
|
General Purpose
|
2.7 V
|
15 V
|
20 mA
|
|
10 mV
|
0.4 pA
|
- 40 C
|
+ 125 C
|
LMC6772
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Ultra low current Compartor and Ref
- ADCMP380-1ACBZ-RL7
- Analog Devices
-
1:
$2.29
-
1,217In Stock
|
Mouser Part #
584-ADCMP3801ACBZRL7
|
Analog Devices
|
Analog Comparators Ultra low current Compartor and Ref
|
|
1,217In Stock
|
|
|
$2.29
|
|
|
$1.68
|
|
|
$1.51
|
|
|
$1.34
|
|
|
View
|
|
|
$1.08
|
|
|
$1.26
|
|
|
$1.08
|
|
|
$1.08
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
|
SMD/SMT
|
WLCSP-6
|
1 Channel
|
Open Drain
|
23 us
|
General Purpose
|
2 V
|
3.5 V
|
92 nA
|
6 mA
|
|
|
- 40 C
|
+ 85 C
|
ADCMP380
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Ultralow Pwr 1x/2x Comp
- LTC1441CS8#PBF
- Analog Devices
-
1:
$9.56
-
338In Stock
|
Mouser Part #
584-LTC1441CS8#PBF
|
Analog Devices
|
Analog Comparators Ultralow Pwr 1x/2x Comp
|
|
338In Stock
|
|
|
$9.56
|
|
|
$6.79
|
|
|
$6.16
|
|
|
$5.95
|
|
|
View
|
|
|
$5.61
|
|
|
$5.34
|
|
|
$5.20
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
SOIC-8
|
2 Channel
|
CMOS, TTL
|
12 us
|
Window
|
2 V
|
11 V
|
3.5 uA
|
1.8 mA
|
3 mV
|
1 uA
|
0 C
|
+ 70 C
|
LTC1441
|
Tube
|
|
|
|
Analog Comparators Quad Diff Comparator A 595-LM2901AVQPWRQ A 595-LM2901AVQPWRQ1
- LM2901AVQPWRG4Q1
- Texas Instruments
-
1:
$1.36
-
2,578In Stock
|
Mouser Part #
595-LM2901AVQPWRG4Q1
|
Texas Instruments
|
Analog Comparators Quad Diff Comparator A 595-LM2901AVQPWRQ A 595-LM2901AVQPWRQ1
|
|
2,578In Stock
|
|
|
$1.36
|
|
|
$0.978
|
|
|
$0.881
|
|
|
$0.775
|
|
|
$0.647
|
|
|
View
|
|
|
$0.724
|
|
|
$0.694
|
|
|
$0.668
|
|
|
$0.627
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
SMD/SMT
|
TSSOP-14
|
4 Channel
|
CMOS, TTL
|
300 ns
|
Differential
|
2 V
|
32 V
|
2 mA
|
|
2 mV
|
250 nA
|
- 40 C
|
+ 125 C
|
LM2901AV
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Quad Differential Co mparator ALT 595-LM ALT 595-LM339PWR
- LM339PWRE4
- Texas Instruments
-
1:
$1.43
-
5,707In Stock
|
Mouser Part #
595-LM339PWRE4
|
Texas Instruments
|
Analog Comparators Quad Differential Co mparator ALT 595-LM ALT 595-LM339PWR
|
|
5,707In Stock
|
|
|
$1.43
|
|
|
$0.865
|
|
|
$0.723
|
|
|
$0.543
|
|
|
$0.308
|
|
|
View
|
|
|
$0.467
|
|
|
$0.407
|
|
|
$0.364
|
|
|
$0.262
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
SMD/SMT
|
TSSOP-14
|
4 Channel
|
Open Collector
|
1.3 us
|
Differential
|
2 V
|
30 V
|
500 uA
|
6 mA
|
5 mV
|
250 nA
|
0 C
|
+ 70 C
|
LM339
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Single Nanopower Ope n Drain Output
- TLV3401ID
- Texas Instruments
-
1:
$7.55
-
535In Stock
|
Mouser Part #
595-TLV3401ID
|
Texas Instruments
|
Analog Comparators Single Nanopower Ope n Drain Output
|
|
535In Stock
|
|
|
$7.55
|
|
|
$4.99
|
|
|
$4.54
|
|
|
$3.86
|
|
|
View
|
|
|
$3.66
|
|
|
$2.87
|
|
|
$2.76
|
|
|
$2.71
|
|
|
$2.68
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
SOIC-8
|
1 Channel
|
Open Collector, Open Drain
|
30 us
|
General Purpose
|
2.5 V
|
16 V
|
640 nA
|
10 mA
|
3.6 mV
|
100 pA
|
- 40 C
|
+ 125 C
|
TLV3401
|
Tube
|
|
|
|
Analog Comparators Dual Nanopower Push- Pull Comparator
- TLV3702IP
- Texas Instruments
-
1:
$5.41
-
500In Stock
-
500On Order
|
Mouser Part #
595-TLV3702IP
|
Texas Instruments
|
Analog Comparators Dual Nanopower Push- Pull Comparator
|
|
500In Stock
500On Order
|
|
Min.: 1
Mult.: 1
Max.: 40
|
|
|
Through Hole
|
PDIP-8
|
2 Channel
|
Push-Pull
|
36 us
|
General Purpose
|
2.7 V
|
16 V
|
800 nA
|
10 mA
|
5 mV
|
100 pA
|
- 40 C
|
+ 125 C
|
TLV3702
|
Tube
|
|
|
|
Analog Comparators General-Purpose, Low-Voltage, Dual, Tiny
- MAX9093AUA+
- Analog Devices / Maxim Integrated
-
1:
$4.62
-
522In Stock
|
Mouser Part #
700-MAX9093AUA+
|
Analog Devices / Maxim Integrated
|
Analog Comparators General-Purpose, Low-Voltage, Dual, Tiny
|
|
522In Stock
|
|
|
$4.62
|
|
|
$3.46
|
|
|
$2.99
|
|
|
$2.84
|
|
|
View
|
|
|
$2.81
|
|
|
$2.64
|
|
|
$2.52
|
|
|
$2.44
|
|
|
$2.39
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
UMAX-8
|
2 Channel
|
Open Drain
|
100 ns
|
General Purpose
|
1.8 V
|
5.5 V
|
180 uA
|
35 mA
|
9 mV
|
400 nA
|
- 40 C
|
+ 125 C
|
MAX9093
|
Tube
|
|
|
|
Analog Comparators Low-Cost, 7ns, Low-Power Voltage Compara
- MAX9202EUD+T
- Analog Devices / Maxim Integrated
-
1:
$13.68
-
1,285In Stock
|
Mouser Part #
700-MAX9202EUDT
|
Analog Devices / Maxim Integrated
|
Analog Comparators Low-Cost, 7ns, Low-Power Voltage Compara
|
|
1,285In Stock
|
|
|
$13.68
|
|
|
$10.63
|
|
|
$9.88
|
|
|
$9.04
|
|
|
View
|
|
|
$7.98
|
|
|
$8.65
|
|
|
$8.40
|
|
|
$8.20
|
|
|
$7.98
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
2,500
|
|
|
SMD/SMT
|
TSSOP-14
|
2 Channel
|
TTL
|
7 ns
|
General Purpose with Latch
|
4.75 V
|
10.5 V
|
4 mA
|
8 mA
|
4 mV
|
5 uA
|
- 40 C
|
+ 85 C
|
MAX9202
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Dual ECL and Dual/Quad PECL, 500ps, Ultr
- MAX9602EUG+
- Analog Devices / Maxim Integrated
-
1:
$34.88
-
44In Stock
|
Mouser Part #
700-MAX9602EUG
|
Analog Devices / Maxim Integrated
|
Analog Comparators Dual ECL and Dual/Quad PECL, 500ps, Ultr
|
|
44In Stock
|
|
|
$34.88
|
|
|
$27.63
|
|
|
$25.62
|
|
|
$24.22
|
|
|
View
|
|
|
$23.35
|
|
|
$22.60
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
TSSOP-24
|
4 Channel
|
PECL
|
500 ps
|
Differential
|
1 V
|
5 V
|
10 mA
|
50 mA
|
9 mV
|
20 uA
|
- 40 C
|
+ 85 C
|
MAX9602
|
Tube
|
|
|
|
Analog Comparators Single/Dual/Quad, Micropower, Ultra-Low-
- MAX968ESA+
- Analog Devices / Maxim Integrated
-
1:
$9.91
-
256In Stock
|
Mouser Part #
700-MAX968ESA
|
Analog Devices / Maxim Integrated
|
Analog Comparators Single/Dual/Quad, Micropower, Ultra-Low-
|
|
256In Stock
|
|
|
$9.91
|
|
|
$7.63
|
|
|
$7.06
|
|
|
$6.41
|
|
|
View
|
|
|
$5.93
|
|
|
$5.78
|
|
|
$5.63
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
SOIC-8
|
2 Channel
|
Open Drain
|
10 us
|
General Purpose with Reference
|
1.6 V
|
5.5 V
|
16 uA
|
400 nA
|
7 mV
|
50 nA
|
- 40 C
|
+ 85 C
|
MAX968
|
Tube
|
|
|
|
Analog Comparators Ultra-Low-Power, Open-Drain, Single/Dual
- MAX981ESA+
- Analog Devices / Maxim Integrated
-
1:
$10.80
-
240In Stock
|
Mouser Part #
700-MAX981ESA
|
Analog Devices / Maxim Integrated
|
Analog Comparators Ultra-Low-Power, Open-Drain, Single/Dual
|
|
240In Stock
|
|
|
$10.80
|
|
|
$8.33
|
|
|
$7.72
|
|
|
$6.97
|
|
|
View
|
|
|
$6.63
|
|
|
$6.41
|
|
|
$6.12
|
|
|
$5.98
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
SOIC-8
|
1 Channel
|
Open Drain
|
12 us
|
General Purpose with Reference
|
2.5 V
|
11 V
|
2.5 uA
|
15 uA
|
10 mV
|
|
- 40 C
|
+ 85 C
|
MAX981
|
Tube
|
|
|
|
Analog Comparators L Volt Quad Comp A 9 26-LMV339MTX/NOPB A A 926-LMV339MTX/NOPB
- LMV339MT/NOPB
- Texas Instruments
-
1:
$2.42
-
1,268In Stock
|
Mouser Part #
926-LMV339MT/NOPB
|
Texas Instruments
|
Analog Comparators L Volt Quad Comp A 9 26-LMV339MTX/NOPB A A 926-LMV339MTX/NOPB
|
|
1,268In Stock
|
|
|
$2.42
|
|
|
$1.78
|
|
|
$1.44
|
|
|
$1.26
|
|
|
View
|
|
|
$1.24
|
|
|
$1.18
|
|
|
$1.16
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
TSSOP-14
|
4 Channel
|
Open Collector, Open Drain
|
450 ns
|
General Purpose
|
2.7 V
|
5 V
|
300 uA
|
10 mA
|
7 mV
|
250 nA
|
- 40 C
|
+ 85 C
|
LMV339
|
Tube
|
|
|
|
Analog Comparators Dual Single Supply
- NJM12903M-TE1
- Nisshinbo
-
1:
$2.76
-
2,156In Stock
|
Mouser Part #
513-NJM12903M-TE1
|
Nisshinbo
|
Analog Comparators Dual Single Supply
|
|
2,156In Stock
|
|
|
$2.76
|
|
|
$1.68
|
|
|
$1.41
|
|
|
$1.07
|
|
|
View
|
|
|
$0.549
|
|
|
$0.926
|
|
|
$0.787
|
|
|
$0.592
|
|
|
$0.549
|
|
Min.: 1
Mult.: 1
:
2,000
|
|
|
SMD/SMT
|
DMP-8
|
2 Channel
|
Open Collector
|
500 ns
|
General Purpose with Reference
|
2 V
|
14 V
|
1 mA
|
10 mA
|
4 mV
|
200 nA
|
- 40 C
|
+ 85 C
|
NJM12903
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Quad Comparator
- ADCMP393ARZ-RL7
- Analog Devices
-
1:
$2.99
-
738In Stock
|
Mouser Part #
584-ADCMP393ARZ-RL7
|
Analog Devices
|
Analog Comparators Quad Comparator
|
|
738In Stock
|
|
|
$2.99
|
|
|
$2.21
|
|
|
$2.01
|
|
|
$1.80
|
|
|
$1.57
|
|
|
View
|
|
|
$1.69
|
|
|
$1.50
|
|
|
$1.49
|
|
Min.: 1
Mult.: 1
:
1,000
|
|
|
SMD/SMT
|
SOIC-14
|
4 Channel
|
Rail-to-Rail
|
4.9 us
|
General Purpose
|
2.3 V
|
5.5 V
|
36.8 uA
|
|
2.5 mV
|
30 nA
|
- 40 C
|
+ 125 C
|
ADCMP393
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Single Comparator and reference
- ADCMP394ARZ
- Analog Devices
-
1:
$2.32
-
1,012In Stock
|
Mouser Part #
584-ADCMP394ARZ
|
Analog Devices
|
Analog Comparators Single Comparator and reference
|
|
1,012In Stock
|
|
|
$2.32
|
|
|
$1.71
|
|
|
$1.37
|
|
|
$1.30
|
|
|
View
|
|
|
$1.27
|
|
|
$1.22
|
|
|
$1.17
|
|
|
$1.15
|
|
|
$1.12
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
SOIC-8
|
1 Channel
|
Open Drain
|
4.9 us
|
General Purpose
|
2.3 V
|
5.5 V
|
33.9 uA
|
|
2.5 mV
|
30 nA
|
- 40 C
|
+ 125 C
|
ADCMP394
|
Tube
|
|
|
|
Analog Comparators 2x 4.5ns R2R Comps
- LT1712IGN#TRPBF
- Analog Devices
-
1:
$17.43
-
583In Stock
|
Mouser Part #
584-LT1712IGN#TRPBF
|
Analog Devices
|
Analog Comparators 2x 4.5ns R2R Comps
|
|
583In Stock
|
|
|
$17.43
|
|
|
$13.66
|
|
|
$12.72
|
|
|
$11.80
|
|
|
View
|
|
|
$10.39
|
|
|
$11.57
|
|
|
$11.39
|
|
|
$10.39
|
|
Min.: 1
Mult.: 1
:
2,500
|
|
|
SMD/SMT
|
SSOP-16
|
2 Channel
|
CMOS, TTL
|
4.5 ns
|
General Purpose
|
2.4 V
|
12 V
|
17 mA
|
20 mA
|
700 uV
|
5 uA
|
- 40 C
|
+ 85 C
|
LT1712
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators Quad Differential
- TLC354CPW
- Texas Instruments
-
1:
$6.54
-
590In Stock
|
Mouser Part #
595-TLC354CPW
|
Texas Instruments
|
Analog Comparators Quad Differential
|
|
590In Stock
|
|
|
$6.54
|
|
|
$4.33
|
|
|
$3.95
|
|
|
$3.34
|
|
|
View
|
|
|
$3.17
|
|
|
$2.61
|
|
|
$2.39
|
|
|
$2.32
|
|
|
$2.29
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
TSSOP-14
|
4 Channel
|
Rail-to-Rail
|
200 ns
|
Differential
|
1.4 V
|
16 V
|
150 uA
|
6 mA
|
5 mV
|
20 nA
|
- 40 C
|
+ 85 C
|
TLC354
|
Tube
|
|
|
|
Analog Comparators Quad, Ultra-Low-Power, 200 Mbps Driver/C
- MAX19005CCS+
- Analog Devices / Maxim Integrated
-
1:
$126.83
-
99In Stock
|
Mouser Part #
700-MAX19005CCS+
|
Analog Devices / Maxim Integrated
|
Analog Comparators Quad, Ultra-Low-Power, 200 Mbps Driver/C
|
|
99In Stock
|
|
|
$126.83
|
|
|
$105.42
|
|
|
$100.35
|
|
|
$92.46
|
|
|
View
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
TQFP-80
|
4 Channel
|
|
5.1 ns
|
Window
|
1 V
|
5.2 V
|
120 uA
|
25 mA
|
10 mV
|
100 uA
|
0 C
|
+ 70 C
|
MAX19005
|
Tray
|
|
|
|
Analog Comparators Micropower, Single-Supply, UCSP/SOT23 Co
- MAX9053AEUB+
- Analog Devices / Maxim Integrated
-
1:
$10.98
-
290In Stock
|
Mouser Part #
700-MAX9053AEUB
|
Analog Devices / Maxim Integrated
|
Analog Comparators Micropower, Single-Supply, UCSP/SOT23 Co
|
|
290In Stock
|
|
|
$10.98
|
|
|
$8.48
|
|
|
$7.46
|
|
|
$6.68
|
|
|
View
|
|
|
$6.47
|
|
|
$6.36
|
|
|
$6.33
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
UMAX-10
|
2 Channel
|
Open Drain
|
400 ns
|
Precision with Reference
|
2.7 V
|
5.5 V
|
60 uA
|
8 mA
|
7 mV
|
10 nA
|
- 40 C
|
+ 85 C
|
MAX9053A
|
Tube
|
|
|
|
Analog Comparators Ultra Low-Power, Single/Dual-Supply Comp
- MAX921CUA+T
- Analog Devices / Maxim Integrated
-
1:
$15.40
-
728In Stock
|
Mouser Part #
700-MAX921CUAT
|
Analog Devices / Maxim Integrated
|
Analog Comparators Ultra Low-Power, Single/Dual-Supply Comp
|
|
728In Stock
|
|
|
$15.40
|
|
|
$12.00
|
|
|
$11.16
|
|
|
$10.23
|
|
|
View
|
|
|
$9.07
|
|
|
$9.79
|
|
|
$9.53
|
|
|
$9.30
|
|
|
$9.07
|
|
|
Quote
|
|
Min.: 1
Mult.: 1
:
2,500
|
|
|
SMD/SMT
|
UMAX-8
|
1 Channel
|
CMOS, TTL
|
12 us
|
Precision with Reference
|
2.5 V
|
11 V
|
3.2 uA
|
50 mA
|
10 mV
|
|
0 C
|
+ 70 C
|
MAX921
|
Reel, Cut Tape, MouseReel
|
|
|
|
Analog Comparators High-Speed, Low-Power, 3V/5V, Rail-to-Ra
- MAX941EUA+
- Analog Devices / Maxim Integrated
-
1:
$12.35
-
159In Stock
|
Mouser Part #
700-MAX941EUA
|
Analog Devices / Maxim Integrated
|
Analog Comparators High-Speed, Low-Power, 3V/5V, Rail-to-Ra
|
|
159In Stock
|
|
|
$12.35
|
|
|
$9.39
|
|
|
$8.48
|
|
|
$7.99
|
|
|
View
|
|
|
$7.76
|
|
|
$7.55
|
|
|
$7.37
|
|
|
$6.94
|
|
Min.: 1
Mult.: 1
|
|
|
SMD/SMT
|
UMAX-8
|
1 Channel
|
CMOS, TTL
|
80 ns
|
General Purpose
|
2.7 V
|
5.5 V
|
600 uA
|
4 mA
|
3 mV
|
300 nA
|
- 40 C
|
+ 85 C
|
MAX941
|
Tube
|
|
Canada
