Datasheet

DAC121S101
SNAS265I –JUNE 2005–REVISED MARCH 2013 www.ti.com
Electrical Characteristics
The following specifications apply for V
A
= +2.7V to +5.5V, R
L
= 2kΩ to GND, C
L
= 200 pF to GND, f
SCLK
= 30 MHz, input
code range 48 to 4047. Boldface limits apply for T
MIN
≤ T
A
≤ T
MAX
: all other limits T
A
= 25°C, unless otherwise specified.
Typical Limits Units
Symbol Parameter Conditions
(1) (1)
(Limits)
STATIC PERFORMANCE
Resolution 12 Bits (min)
Monotonicity 12 Bits (min)
INL Integral Non-Linearity Over Decimal codes 48 to 4047 ±2.6 ±8 LSB (max)
+0.25 +1.0 LSB (max)
V
A
= 2.7V to 5.5V
DNL Differential Non-Linearity −0.15 −0.7 LSB (min)
V
A
= 4.5V to 5.5V
(2)
±0.11 ±0.5 LSB (max)
ZE Zero Code Error I
OUT
= 0 +4 +15 mV (max)
FSE Full-Scale Error I
OUT
= 0 −0.06 −1.0 %FSR (max)
GE Gain Error All ones Loaded to DAC register −0.10 ±1.0 %FSR
ZCED Zero Code Error Drift −20 µV/°C
V
A
= 3V −0.7 ppm/°C
TC GE Gain Error Tempco
V
A
= 5V −1.0 ppm/°C
OUTPUT CHARACTERISTICS
0 V (min)
Output Voltage Range
(2)
V
A
V (max)
V
A
= 3V, I
OUT
= 10 µA 1.8 mV
V
A
= 3V, I
OUT
= 100 µA 5.0 mV
ZCO Zero Code Output
V
A
= 5V, I
OUT
= 10 µA 3.7 mV
V
A
= 5V, I
OUT
= 100 µA 5.4 mV
V
A
= 3V, I
OUT
= 10 µA 2.997 V
V
A
= 3V, I
OUT
= 100 µA 2.990 V
FSO Full Scale Output
V
A
= 5V, I
OUT
= 10 µA 4.995 V
V
A
= 5V, I
OUT
= 100 µA 4.992 V
R
L
= ∞ 1500 pF
Maximum Load Capacitance
R
L
= 2kΩ 1500 pF
DC Output Impedance 1.3 Ohm
V
A
= 5V, V
OUT
= 0V,
−63 mA
Input code = FFFh
V
A
= 3V, V
OUT
= 0V,
−50 mA
Input code = FFFh
I
OS
Output Short Circuit Current
V
A
= 5V, V
OUT
= 5V,
74 mA
Input code = 000h
V
A
= 3V, V
OUT
= 3V,
53 mA
Input code = 000h
LOGIC INPUT
I
IN
Input Current
(2)
±1 µA (max)
V
A
= 5V 0.8 V (max)
V
IL
Input Low Voltage
(2)
V
A
= 3V 0.5 V (max)
V
A
= 5V 2.4 V (min)
V
IH
Input High Voltage
(2)
V
A
= 3V 2.1 V (min)
C
IN
Input Capacitance
(2)
3 pF (max)
(1) Typical figures are at T
J
= 25°C, and represent most likely parametric norms. Test limits are guaranteed to TI's AOQL (Average
Outgoing Quality Level).
(2) This parameter is guaranteed by design and/or characterization and is not tested in production.
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