DAC7562T Datasheet, PDF (6/60 Pages) Texas Instruments – Internal Reference

DAC7562T, DAC7563T, DAC8162T
DAC8163T, DAC8562T, DAC8563T
SLASE61A – SEPTEMBER 2015 – REVISED OCTOBER 2015
www.ti.com
7.5 Electrical Characteristics
At AV_DD = 2.7 V to 5.5 V and T_A = –40°C to 125°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
STATIC PERFORMANCE⁽¹⁾
Resolution
DAC756xT Relative accuracy
Using line passing through codes 32 and 4,064
Differential nonlinearity 12-bit monotonic
Resolution
DAC816xT Relative accuracy
Using line passing through codes 128 and 16,256
Differential nonlinearity 14-bit monotonic
Resolution
DAC856xT Relative accuracy
Using line passing through codes 512 and 65,024
Offset error
Differential nonlinearity 16-bit monotonic
Extrapolated from two-point line⁽¹⁾, unloaded
Offset error drift
Full-scale error
DAC register loaded with all 1s, DAC output unloaded
Zero-code error
DAC register loaded with all 0s, DAC output unloaded
Zero-code error drift
Gain error
Extrapolated from two-point line⁽¹⁾, unloaded
Gain temperature coefficient
OUTPUT CHARACTERISTICS⁽²⁾
Output voltage range
Output voltage settling time⁽³⁾
Slew rate
Capacitive load stability
Code-change glitch impulse
Digital feedthrough
Power-on glitch impulse
Channel-to-channel dc crosstalk
DC output impedance
Short-circuit current
Power-up time, including settling time
AC PERFORMANCE⁽²⁾
DAC output noise density
DAC output noise
LOGIC INPUTS⁽²⁾
Input-pin leakage current
Logic input LOW voltage V_IL
Logic input HIGH voltage V_IH
Pin capacitance
DACs unloaded
R_L = 1 MΩ
Measured between 20%–80% of a full-scale transition
R_L = ∞
R_L = 2 kΩ
1-LSB change around major carry
SCLK toggling, SYNC high
R_L = 2 kΩ, C_L = 470 pF, AV_DD = 5.5 V
Full-scale swing on adjacent channel,
External reference
Full-scale swing on adjacent channel,
Internal reference
At mid-scale input
DAC outputs at full-scale, DAC outputs shorted to
GND
Coming out of power-down mode
T_A = 25°C, at mid-scale input, f_OUT = 1 kHz
T_A = 25°C, at mid-scale input, 0.1 Hz to 10 Hz
MIN TYP MAX UNIT
12
Bits
±0.3 ±0.75
LSB
±0.05 ±0.25
14
Bits
±1
±3
LSB
±0.1 ±0.5
16
Bits
±4
±12
LSB
±0.2
±1
±1
±4
mV
±2
µV/°C
±0.03 ±0.2 % FSR
1
4
mV
±2
µV/°C
±0.01 ±0.15 % FSR
±1
ppm
FSR/°C
0
AV_DD
V
7
µs
10
0.75
V/µs
1
nF
3
0.1
nV-s
0.1
nV-s
40
mV
5
µV
15
5
Ω
40
mA
50
µs
90
nV/√Hz
2.6
µV_PP
–1 ±0.1
1
µA
0
0.8
V
2.1
AV_DD
V
3
pF
(1) 16-bit: codes 512 and 65,024; 14-bit: codes 128 and 16,256; 12-bit: codes 32 and 4,064, All digital inputs kept at same IO levels before
and after write to the DAC
(2) Specification based on design or characterization
(3) Transition time between 1 / 4 scale and 3 / 4 scale, including settling to within ±0.024% FSR
6
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