LTC1657 Datasheet, PDF (4/12 Pages) Linear Technology – Parallel 16-Bit Rail-to-Rail Micropower DAC

LTC1657
TYPICAL PERFOR A CE CHARACTERISTICS
Differential Nonlinearity
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
16384 32768 49152
DIGITAL INPUT CODE
65535
1657 G01
Minimum Output Voltage vs
Output Sink Current
1.2
CODE ALL 0’S
1.0 ^{∆VOUT ≤ 1LSB}
125°C
0.8
0.6
25°C
0.4
–55°C
0.2
0
0
5
10
15
OUTPUT SINK CURRENT (mA)
1657 G04
Supply Current vs Logic Input
Voltage
8
7
6
5
4
3
2
1
0
0
1
2
3
4
5
LOGIC INPUT VOLTAGE (V)
1657 G07
Integral Nonlinearity
5
4
3
2
1
0
–1
–2
–3
–4
–5
0
16384 32768 49152
DIGITAL INPUT CODE
65535
1657 G02
Full-Scale Voltage vs
Temperature
4.110
4.105
4.100
4.095
4.090
4.085
4.080
–55
–25 5 35 65
TEMPERATURE (°C)
95 125
1657 G05
Supply Current vs Temperature
700
680
660
640
620
V_CC = 5.5V
600
V_CC = 5V
580
V_CC = 4.5V
560
540
520
500
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1657 G08
4
Minimum Supply Headroom for
Full Output Swing vs Load Current
2.0
1.8 ^{CODE ALL 1’S}
∆V_OUT ≤ 1LSB
1.6
1.4
125°C
1.2
1.0
0.8
25°C
0.6
0.4
0.2
–55°C
0
0
5
LOAD CURRENT (mA)
10
1657 G03
Offset Error vs Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–55
–10
35
80
TEMPERATURE (°C)
125
1657 G06
Large-Signal Transient Response
5
V_OUT UNLOADED
T_A = 25°C
4
3
2
1
0
TIME (20µs/DIV)
1657 G09