DAC7634
www.ti.com
SBAS134A–JULY 2004–REVISED AUGUST 2004
SPECIFICATIONS
At TA = TMIN to TMAX, VDD = VCC = 5 V, VSS = 0 V, VREFH = 2.5 V, and VREFL = 0 V, unless otherwise noted
DAC7634E
TYP
DAC7634EB
TYP
PARAMETER
TEST CONDITIONS
UNIT
MAX
MIN
MAX
±4
MIN
ACCURACY
Linearity error(1)
±3
±4
±2
±2
±2
±1
±3
±2
LSB
LSB
Linearity match
Differential linearity error
Monotonicity, TMIN to TMAX
Zero-scale error
±3
LSB
14
15
Bits
±1
5
±2
10
±1
5
±2
10
mV
Zero-scale error drift
Full-scale error
ppm/°C
mV
±1
5
±2
±1
5
±2
Full-scale error drift
Zero-scale matching
Full-scale matching
Power supply rejection ratio (PSRR)
ANALOG INPUT
10
10
ppm/°C
mV
Channel-to-channel matching
Channel-to-channel matching
At full scale
±1
±1
10
±2
±1
±1
10
±2
±2
±2
mV
100
100
ppm/V
Voltage output
0
VREF
H
0
VREF
H
V
VREFL = 0 V, VSS = 0 V,
RL = 10 kΩ
Output current
– 1.25
1.25
–1.25
1.25
mA
pF
Maximum load capacitance
Short-circuit current
Short-circuit duration
REFERENCE INPUT
No oscillation
GND or VCC
500
± 30
500
± 30
mA
Indefinite
Indefinite
VREF
+1.25
L
VREFL
+1.25
Ref high input voltage range
Ref low input voltage range
2.5
2.5
V
V
VREF
H
VREF
H
0
0
–1.25
–1.25
Ref high input current
Ref low input current
DYNAMIC PERFORMANCE
Settling time
250
250
µA
µA
–250
–250
To ±0.003%, 2.5-V output step
8
0.5
2
10
8
0.5
2
10
µs
LSB
Channel-to-channel crosstalk
Digital feedthrough
See Figure 6
nV-s
Output noise voltage
f = 10 kHz
60
60
nV/√Hz
7FFFH to 8000H or
8000H to 7FFFH
DAC glitch
40
40
nV-s
DIGITAL INPUT
VIH
0.7 × VDD
0.7 × VDD
V
V
VIL
0.3 × VDD
±10
0.3 × VDD
±10
IIH
µA
µA
IIL
±10
±10
DIGITAL OUTPUT
VOH
IOH = –0.8 mA
IOL = 1.6 mA
3.6
4.5
0.3
3.6
4.5
0.3
V
V
VOL
0.4
0.4
POWER SUPPLY
VDD
VCC
VSS
ICC
4.75
4.75
0
5.0
5.0
0
5.25
5.25
0
4.75
4.75
0
5.0
5.0
0
5.25
5.25
0
V
V
V
1.5
50
7.5
2
1.5
50
7.5
2
mA
µA
mW
IDD
Power
10
10
(1) If VSS = 0 V specification applies at Code 0040H and above due to possible negative zero-scale error.
4
BB [ BURR-BROWN CORPORATION ]
