LTC2605_09 Datasheet, PDF (7/18 Pages) Linear Technology – Octal 16-/14-/12-Bit Rail-to Rail DACs in 16-Lead SSOP

LTC2605/LTC2615/LTC2625
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2615
Integral Nonlinearity (INL)
8
V_CC = 5V
6 ^{VREF = 4.096V}
4
2
0
–2
–4
–6
–8
0
4096
8192 12288 16383
CODE
2605 G09
LTC2625
Integral Nonlinearity (INL)
2.0
V_CC = 5V
1.5 ^{VREF = 4.096V}
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0
1024
2048
CODE
3072
4095
2605 G12
LTC2605/LTC2615/LTC2625
Current Limiting
0.10
CODE = MID-SCALE
0.08
V_REF = V_CC = 5V
0.06
V_REF = V_CC = 3V
0.04
0.02
0
–0.02
–0.04
–0.06
V_REF = V_CC = 3V
V_REF = V_CC = 5V
–0.08
–0.10
–40 –30 –20 –10 0 10 20 30 40
I_OUT (mA)
2605 G15
Differential Nonlinearity (DNL)
1.0
V_CC = 5V
0.8 V_REF = 4.096V
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
4096
8192
CODE
12288 16383
2605 G10
Settling to ±1LSB
V_OUT
100μV/DIV
SCL
2V/DIV
9TH CLOCK
OF 3RD DATA
BYTE
8.9μs
2μs/DIV
V_CC = 5V, V_REF = 4.096V
1/4-SCALE TO 3/4-SCALE STEP
R_L = 2k, C_L = 200pF
AVERAGE OF 2048 EVENTS
2605 G11
Differential Nonlinearity (DNL)
1.0
V_CC = 5V
0.8 V_REF = 4.096V
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
1024
2048
CODE
3072
4095
2605 G13
Settling to ±1LSB
V_OUT
1mV/DIV
SCL
2V/DIV
9TH CLOCK
OF 3RD DATA
BYTE
6.8μs
2μs/DIV
V_CC = 5V, V_REF = 4.096V
1/4-SCALE TO 3/4-SCALE STEP
R_L = 2k, C_L = 200pF
AVERAGE OF 2048 EVENTS
2605 G14
Load Regulation
1.0
CODE = MID-SCALE
0.8
0.6
0.4
0.2
0
V_REF = V_CC = 5V
–0.2
–0.4
–0.6
V_REF = V_CC = 3V
–0.8
–1.0
–35 –25 –15 –5 5 15
I_OUT (mA)
25 35
2606 G16
Offset Error vs Temperature
3
2
1
0
–1
–2
–3
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
2605 G17
2605fa
7