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LTC2662 Datasheet(PDF) 9 Page - Analog Devices

Part # LTC2662
Description  Five-Channel Current-Source- Output 16-Bit SoftSpan DACs
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC2662 Datasheet(HTML) 9 Page - Analog Devices

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LTC2662
9
Rev 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Full–Scale Current Error
vs Temperature
Settling 0 to 3.125mA Step
Settling 145mA to 155mA Step
Settling 0 to 200mA Step
Offset Current Error
vs Temperature
Reference Output vs Temperature
Dropout Voltage vs Current Range
3.125mA
25mA
200mA
300mA
CODE
0
16384
32768
49152
65536
–32
–24
–16
–8
0
8
16
24
32
2662 G01
25mA RANGE
CODE
0
16384
32768
49152
65536
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
1.00
2662 G02
RLOAD SEE NOTE 4
300mA RANGE
200mA RANGE
100mA RANGE
50mA RANGE
25mA RANGE
TEMPERATURE (°C)
–40 –20 0
20 40 60 80 100 120 140
–1.0
–0.8
–0.6
–0.4
–0.2
0.0
0.2
0.4
0.6
0.8
1.0
2662 G03
VOUTX RESIDUAL 500µV/DIV
tSETTLE = 6.1µs TO ±0.024%, 19.2µs TO ±0.0015%
AVERAGE OF 8192 EVENTS
CS/LD
3.125mA RANGE
RLOAD = 800Ω
VOUTX, 1V/DIV
5µs/DIV
2662 G04
VOUTX RESIDUAL 500µV/DIV
tSETTLE = 3.5µs TO ±0.024%, 7.7µs TO ±0.0015%
AVERAGE OF 1024 EVENTS
CS/LD
200mA RANGE
RLOAD = 15Ω
VOUTX, 500mV/DIV
2µs/DIV
2662 G05
VDDX = 4V
VDDX = 7V
VDDX = 5V
VOUTX RESIDUAL 200µV/DIV
VOUTX 2V/DIV
CS/LD
200mA RANGE; RLOAD = 15Ω
tSETTLE = 4.5µs TO ±0.024%, 8.7ms TO ±0.0015%
tSETTLE MEASURED AT VDDX = 4V TO MINIMIZE
THERMAL SETTLING TAILS
5ms/DIV
2662 G06
MEASURED AT 16–BIT CODE 384
300mA RANGE
200mA RANGE
100mA RANGE
50mA RANGE
25mA RANGE
TEMPERATURE (°C)
–40 –20 0
20 40 60 80 100 120 140
–0.4
–0.3
–0.2
–0.1
0.0
0.1
0.2
0.3
0.4
2662 G07
TEMPERATURE (°C)
–40 –20 0
20 40 60 80 100 120 140
1.246
1.247
1.248
1.249
1.250
1.251
1.252
1.253
1.254
2662 G08
1.13V
0.730V
0.643V
0.824V
0.786V
VDDX–V– = 4.75V
300mA
200mA
100mA
50mA
25mA
DROPOUT VOLTAGE VDDX-VOUTX (V)
0
0.50
1
1.50
2
2.50
0
50
100
150
200
250
300
350
2662 G09



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