Datasheet

DAC121C081, DAC121C085
www.ti.com SNAS395D –DECEMBER 2007–REVISED MARCH 2013
Package Thermal Resistances
(1)(2)
Package θ
JA
6-Lead SOT 250°C/W
6-Lead WSON 190°C/W
8-Lead VSSOP 240°C/W
(1) Soldering process must comply with Texas Instruments' Reflow Temperature Profile specifications. Refer to http://www.ti.com/packaging
(SNOA549)
(2) Reflow temperature profiles are different for lead-free packages.
Electrical Characteristics
Values shown in this table are design targets and are subject to change before product release.
The following specifications apply for V
A
= +2.7V to +5.5V, V
REF
= V
A
, C
L
= 200 pF to GND, input code range 48 to 4047.
Boldface limits apply for T
MIN
≤ T
A
≤ T
MAX
and all other limits are at T
A
= 25°C, unless otherwise specified.
Units
Symbol Parameter Conditions Typical
(1)
Limits
(1)
(Limits)
STATIC PERFORMANCE
Resolution 12 Bits (min)
Monotonicity 12 Bits (min)
+2.2 +8 LSB (max)
INL Integral Non-Linearity
−1.5 −8 LSB (min)
+0.18 +0.6 LSB (max)
DNL Differential Non-Linearity
−0.12 −0.5 LSB (min)
ZE Zero Code Error I
OUT
= 0 +1.1 +10 mV (max)
FSE Full-Scale Error I
OUT
= 0 −0.1 −0.7 %FSR (max)
GE Gain Error All ones Loaded to DAC register −0.2 −0.7 %FSR (max)
ZCED Zero Code Error Drift −20 µV/°C
V
A
= 3V −0.7 ppm FSR/°C
TC GE Gain Error Tempco
V
A
= 5V −1.0 ppm FSR/°C
ANALOG OUTPUT CHARACTERISTICS (V
OUT
)
0 V (min)
DAC121C085
V
REF
V (max)
Output Voltage Range
(2)
0 V (min)
DAC121C081
V
A
V (max)
V
A
= 3V, I
OUT
= 200 µA 1.3 mV
ZCO Zero Code Output
V
A
= 5V, I
OUT
= 200 µA 7.0 mV
V
A
= 3V, I
OUT
= 200 µA 2.984 V
FSO Full Scale Output
V
A
= 5V, I
OUT
= 200 µA 4.989 V
V
A
= 3V, V
OUT
= 0V, Input Code = FFFh. 56 mA
Output Short Circuit Current
I
OS
(I
SOURCE
)
V
A
= 5V, V
OUT
= 0V, Input Code = FFFh. 69 mA
V
A
= 3V, V
OUT
= 3V, Input Code = 000h. −52 mA
Output Short Circuit Current
I
OS
(I
SINK
)
V
A
= 5V, V
OUT
= 5V, Input Code = 000h. −75 mA
I
O
Continuous Output Current
(2)
Available on the DAC output 11 mA (max)
R
L
= ∞ 1500 pF
C
L
Maximum Load Capacitance
R
L
= 2kΩ 1500 pF
Z
OUT
DC Output Impedance 7.5 Ω
REFERENCE INPUT CHARACTERISTICS- (DAC121C085 only)
Input Range Minimum 0.2 1.0 V (min)
V
REF
Input Range Maximum V
A
V (max)
Input Impedance 120 kΩ
(1) Typical figures are at T
J
= 25°C, and represent most likely parametric norms. Test limits are specified to AOQL (Average Outgoing
Quality Level).
(2) This parameter is specified by design and/or characterization and is not tested in production.
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