LTC2755_15 Datasheet, PDF (7/24 Pages) Linear Technology – Quad Current Output 12-/14-/16-Bit SoftSpan DACs with Parallel I/O

LTC2755
TYPICAL PERFORMANCE CHARACTERISTICS T_A = 25°C, unless otherwise noted.
LTC2755-16
DNL vs Temperature
1.0
V_DD = 5V
0.8 V_REF = 5V
0.6 ^{±10V RANGE}
0.4
0.2
+DNL
0.0
–DNL
–0.2
–0.4
–0.6
–0.8
–1.0
–40 –20 0
20 40 60
TEMPERATURE (°C)
80
2755 G05
Bipolar Zero vs Temperature
8
V_DD = 5V
6 ^{VREF = 5V}
±10V RANGE
4
2
0.5ppm/°C (TYP)
0
–2
–4
–6
–8
–40 –20 0
20 40 60 80
TEMPERATURE (°C)
2755 G06
Gain Error vs Temperature
16
V_DD = 5V
12 ^{VREF = 5V}
±10V RANGE
8
4
0.6ppm/°C (TYP)
0
–4
–8
–12
–16
–40 –20 0
20 40 60 80
TEMPERATURE (°C)
2755 G07
INL vs V_REF
1.0
V_DD = 5V
0.8 ±5V RANGE
0.6
0.4
0.2
+INL
0.0
–INL
–0.2
–0.4
–0.6
–0.8
–1.0
–10 –8 –6 4
202
V_REF (V)
+INL
–INL
4 6 8 10
2755 G08
DNL vs V_REF
1.0
V_DD = 5V
0.8 ±5V RANGE
0.6
0.4
0.2
+DNL
0.0
–DNL
–0.2
–0.4
–0.6
–0.8
–1.0
–10 –8 –6 4
202
V_REF (V)
+DNL
–DNL
4 6 8 10
2755 G09
INL vs V_DD
1.0
0.8
0.6
0.4
+INL
0.2
0.0
–INL
–0.2
–0.4
–0.6
–0.8
–1.0
2.5 3 3.5 4 4.5
V_DD (V)
5 5.5
2755 G09b
Multiplying Frequency Response
vs Digital Code
0 ^{ALL BITS ON}
D15
D14
–20 ^D13
D12
D11
–40
D10
D9
D8
D7
–60 D6
D5
D4
–80
D3
D2
D1
D0
–100
UNIPOLAR 5V OUTPUT RANGE
LT1469 OUTPUT AMPLIFIER
CFEEDBACK = 8.2pF
–120
ALL BITS OFF
100 1k
10k 100k 1M 10M
FREQUENCY (Hz)
2755 G10a
2755f
7