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LTC2657 Datasheet(PDF) 13 Page - Linear Technology

Part # LTC2657
Description  Octal I2C 16-/12-Bit Rail-to-Rail DACs with 10ppm/째C Max Reference
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2657 Datasheet(HTML) 13 Page - Linear Technology

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LTC2657
13
2657f
Supply Current vs Logic Voltage
Supply Current vs Temperature
ICC Shutdown vs Temperature
Multiplying Bandwidth
Large Signal Response
Mid-Scale Glitch Impulse
Offset Error vs Reference Input
Gain Error vs Reference Input
ICC Shutdown vs VCC
TYPICAL PERFORMANCE CHARACTERISTICS LTC2657, T
A = 25°C unless otherwise noted.
REFERENCE VOLTAGE (V)
0.5
–2
1.5
1
0.5
0
– 0.5
–1
–1.5
2
2.5
1
1.5
2657 G28
2
VCC = 5.5V
GAIN ERROR OF 8 CHANNELS
REFERENCE VOLTAGE (V)
0.5
–64
48
32
16
0
–16
–32
–48
64
2.5
1
1.5
2657 G29
2
VCC = 5.5V
GAIN ERROR OF 8 CHANNELS
VCC (V)
2.5
0
400
350
300
250
200
150
100
50
450
3.0
5.0
5.5
3.5
4.0
4.5
2657 G30
LOGIC VOLTAGE (V)
0
2.0
3.6
3.2
2.8
2.4
4.0
15
234
2657 G31
VCC = 5V
(LTC2657-H)
VCC = 3V
(LTC2657-L)
SWEEP SCL, SDA
BETWEEN OV AND VCC
TEMPERATURE (°C)
–50
2.0
3.5
3.0
2.5
4.0
–30
70
90 110 130
–10 10
30
2657 G32
50
LTC2657-H
VCC = 5V, CODE = MID-SCALE
INTERNAL REFERENCE
LTC2657-L
VCC = 3V, CODE = MID-SCALE
INTERNAL REFERENCE
TEMPERATURE (°C)
–50
0
2
1
3
–30
70 90 110 130
–10 10
30
2657 G33
50
LTC2657-H
VCC = 5V
LTC2657-L
VCC = 3V
FREQUENCY (Hz)
1k
–12
6
4
2
0
–2
–4
–6
–8
–10
8
1M
10k
2657 G34
100k
VCC = 5V
VREF(DC) = 2V
VREF(AC) = 0.2VPP
CODE = FULL-SCALE
2μs/DIV
2657 G35
VOUT
0.5V/DIV
VCC = 5V
VREF = 2.048V
ZERO SCALE
TO FULL SCALE
2μs/DIV
2657 G36
SCL
5V/DIV
VOUT
5mV/DIV
LTC2657-H16,
VCC = 5V
7nV-s TYP
LTC2657-L16,
VCC = 3V
4nV-s TYP
9th CLOCK OF
3RD DATA BYTE



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