Datasheet

DAC7734
2
SBAS138A
www.ti.com
DAC7734E DAC7734EB DAC7734EC
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
ACCURACY
Linearity Error (INL) T = 25°C ±3 ✻ ±2LSB
T
MIN
to T
MAX
±4 ✻ ±3LSB
Linearity Match ±4 ✻ ±2LSB
Differential Linearity Error (DNL) T = 25°C ±3 ±2 ±1LSB
T
MIN
to T
MAX
±3 ±2 ±1LSB
Monotonicity, T
MIN
to T
MAX
14 15 16 Bits
Bipolar Zero Error T = 25°C ±0.01 ±0.025 ✻✻% of FSR
Bipolar Zero Error, T
MIN
to T
MAX
±0.05 ✻✻% of FSR
Full-Scale Error T = 25°C ±0.025 ✻✻% of FSR
Full-Scale Error, T
MIN
to T
MAX
±0.05 ✻✻% of FSR
Bipolar Zero Matching Channel-to-Channel ±0.024 ✻✻% of FSR
Matching
Full-Scale Matching Channel-to-Channel ±0.024 ✻✻% of FSR
Matching
Power Supply Rejection Ratio (PSRR) At Full Scale 25 ✻✻ppm/V
ANALOG OUTPUT
Voltage Output V
REF
LV
REF
H ✻✻✻ ✻V
Output Current ±5 ✻✻ mA
Maximum Load Capacitance 500 ✻✻pF
Short-Circuit Current ±20 ✻✻mA
Short-Circuit Duration To V
SS
, V
CC
or GND Indefinite ✻✻
REFERENCE INPUT
Ref High Input Voltage Range
V
REF
L + 1.25 +10 ✻✻✻✻V
Ref Low Input Voltage Range –10
V
REF
H – 1.25 ✻✻✻✻V
Ref High Input Current –0.3 2.6 ✻✻mA
Ref Low Input Current –3.2 –0.3 ✻✻mA
DYNAMIC PERFORMANCE
Settling Time To ±0.003%, 20V 9 11 ✻✻ ✻ ✻ µs
Output Step
Channel-to-Channel Crosstalk See Figure 5 0.5 ✻✻LSB
Digital Feedthrough 2 ✻✻nV-s
Output Noise Voltage f = 10kHz 60 ✻✻nV/√Hz
DIGITAL INPUT
V
IH
0.7 • V
DD
V
DD
✻✻ V
V
IL
0 0.3 • V
DD
✻ V
I
IH
±10 ✻ µA
I
IL
±10 ✻ µA
DIGITAL OUTPUT
V
OH
I
OH
= –0.8mA 3.6 4.5 ✻✻ ✻✻ V
V
OL
I
OL
= 1.6mA 0.3 0.4 ✻✻ ✻ ✻ V
POWER SUPPLY
V
DD
+4.75 +5.0 +5.25 ✻✻✻✻✻✻ V
V
CC
+14.25 +15.0 +15.75 ✻✻✻✻✻✻ V
V
SS
–14.25 –15.0 –15.75 ✻✻✻✻✻ ✻ V
I
DD
50 ✻✻µA
I
CC
6 ✻✻mA
I
SS
–5 ✻✻mA
Power 170 200 ✻✻mW
TEMPERATURE RANGE
Specified Performance –40 +85 ✻✻✻✻°C
✻ Specifications same as grade to the left.
SPECIFICATIONS (Dual Supply)
At T
A
= T
MIN
to T
MAX
, V
CC
= +15V, V
DD
= +5V, V
SS
= –15V, V
REF
H = +10V, and V
REF
L = –10V, unless otherwise noted.