
AD7304/AD7305
Rev. C | Page 3 of 20
SPECIFICATIONS
@ VDD = 3 V or 5 V, VSS = 0 V; or VDD = +5 V and VSS = –5 V, VSS ≤ VREF ≤ VDD, 40°C < TA < +85°C/+125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Condition
3 V ± 10%
5 V ± 10%
±5 V ± 10%
Unit
STATIC PERFORMANCE
N
8
Bits
INL
±1
LSB max
Differential Nonlinearity
DNL
Monotonic, all codes 0 to 0xFF
±1
LSB max
Zero-Scale Error
VZSE
Data = 0x00
15
±15
mV max
Full-Scale Voltage Error
VFSE
Data = 0xFF
±4
LSB max
Full-Scale Temperature
TCVFS
5
REFERENCE INPUT
VREFIN Range
VREFIN
VSS/VDD
V min/max
Input Resistance (AD7304)
RREFIN
Code = 0x55
28
k typ
Input Resistance (AD7305)
RREFIN
All DACs at code = 0x55
7.5
k typ
CREFIN
5
pF typ
ANALOG OUTPUTS
Output Voltage Range
VOUT
VSS/VDD
V min/max
Output Current Drive
IOUT
Code = 0x80, VOUT < 1 LSB
±3
mA typ
Shutdown Resistance
ROUT
DAC outputs placed in shutdown
state
120
k typ
CL
No oscillation
200
pF typ
LOGIC INPUTS
Logic Input Low Voltage
VIL
0.6
0.8
V min
Logic Input High Voltage
VIH
2.1
2.4
V max
IIL
±10
A max
CIL
8
pF max
Output Slew Rate
SR
Code = 0x00 to 0xFF to 0x00
1/2.7
1/3.6
1.0/3.6
V/s min/typ
Reference Multiplying
BW
Small signal, VSS = –5 V
2.6
MHz typ
Total Harmonic Distortion
THD
VREF = 4 V p-p, VSS = –5 V, f = 1 kHz
0.025
%
tS
To ±0.1% of full scale
1.1/2
1.0/2
s typ/max
Shutdown Recovery Time
tSDR
To ±0.1% of full scale
2
s max
Time to Shutdown
tSDN
15
s typ
DAC Glitch
Q
15
nVs typ
Digital Feedthrough
Q
2
nVs typ
Feedthrough
VOUT/VREF
Code = 0x00, VREF = 1 V p-p, f = 100 kHz
65
dB
SUPPLY CHARACTERISTICS
Positive Supply Current
IDD
VLOGIC = 0 V or VDD, no load
6
mA max
Negative Supply Current
ISS
VSS = –5 V
6
mA max
Power Dissipation
PDISS
VLOGIC = 0 V or VDD, no load
15
30
60
mW max
Power Down
IDD_SD
SDI/SHDN = floating
40
A typ
Power Supply Sensitivity
PSS
VDD = ±10%
0.004
%/%
1 One LSB = VREF/256.
2 The first three codes (0x00, 0x01, 0x10) are excluded from the integral nonlinearity error measurement in single-supply operation 3 V or 5 V.
3 These parameters are guaranteed by design and not subject to production testing.
4 Typical specifications represent average readings measured at 25°C.
5 The SDI/SHDN and A0/SHDN pins have a 30 A maximum IIL input leakage current.
6 The settling time specification does not apply for negative going transitions within the last three LSBs of ground in single-supply operation.