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參數資料
| 型號： | AD7569TE |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | LC2MOS Complete, 8-Bit Analog I/0 Systems |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, CQCC28 |
| 封裝： | CERAMIC, LCC-28 |
| 文件頁數： | 2/20頁 |
| 文件大小： | 504K |
| 代理商： | AD7569TE |
DAC SPECIFICATIONS
1
AD7569
J, A Versions
3
AD7669
J Version
AD7569
K, B
Versions
AD7569
S Version
AD7569
T Version
Parameter
Units
Conditions/Comments
STATIC PERFORMANCE
Resolution
4
Total Unadjusted Error
5
Relative Accuracy
Differential Nonlinearity
5
Unipolar Offset Error
@ +25
°
C
T
MIN
to T
MAX
Bipolar Zero Offset Error
@ +25
°
C
T
MIN
to T
MAX
Full-Scale Error
6
(AD7569 Only)
@ +25
°
C
T
MIN
to T
MAX
Full-Scale Error
6
(AD7669 Only)
@ +25
°
C
T
MIN
to T
MAX
DACA/DACB Full-Scale Error Match
6
(AD7669 Only)
Full Scale/
V
DD
, T
A
= +25
°
C
Full Scale/
V
, T
= +25
°
C
Load Regulation at Full Scale
8
±
2
±
1
±
1
8
±
2
±
1/2
±
3/4
8
±
3
±
1
±
1
8
±
3
±
1/2
±
3/4
Bits
LSB typ
LSB max
LSB max
Guaranteed Monotonic
DAC data is all 0s; V
SS
= 0 V
Typical tempco is 10
μ
V/
°
C for +1.25 V range
±
2
±
2.5
±
1.5
±
2
±
2
±
2.5
±
1.5
±
2
LSB max
LSB max
DAC data is all 0s; V
SS
= –5 V
Typical tempco is 20
μ
V/
°
C for
±
1.25 V range
±
2
±
2.5
±
1 5
±
2
±
2
±
2.5
±
1.5
±
2
LSB max
LSB max
V
DD
= 5 V
±
2
±
3
±
1
±
2
±
2
±
4
±
1
±
3
LSB max
LSB max
V
DD
= 5 V
±
3
±
4.5
LSB max
LSB max
±
2.5
0.5
0.5
0.2
LSB max
LSB max
LSB max
LSB max
V
DD
= 5 V
V
OUT
= 2.5 V;
V
DD
=
±
5%
V
OUT
= –2.5 V;
V
SS
=
±
5%
R
L
to
°
/C
0.5
0.5
0.2
0.5
0.5
0.2
0.5
0.5
0.2
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio
(SNR)
Total Harmonic Distortion
5
(THD)
Intermodulation Distortion
5
(IMD)
44
48
55
46
48
55
44
48
55
46
48
55
dB min
dB max
dB typ
V
OUT
= 20 kHz full-scale sine wave with f
SAMPLING
= 400 kHz
V
= 20 kHz full-scale sine wave with f
SAMPLING
= 400 kHz
fa = 18.4 kHz, fb = 14.5 kHz with f
SAMPLING
ANALOG OUTPUT
Output Voltage Ranges
Unipolar
Bipolar
0 to +1.25/2.5
±
1.25/
±
2.5
Volts
Volts
V
DD
= +5 V, V
SS
= 0 V
V
DD
= +5 V, V
SS
= –5 V
LOGIC INPUTS
CS
,
X
/B,
WR
, RANGE,
RESET
, DB0–DB7
Input Low Voltage, V
INL
Input High Voltage, V
INH
Input Leakage Current
Input Capacitance
7
DB0–DB7
Input Coding (Single Supply)
Input Coding (Dual Supply)
AC CHARACTERlSTICS
7
Voltage Output Settling Time
Positive Full-Scale Change
Negative Full-Scale Change (Single Supply)
Negative Full-Scale Change (Dual Supply)
Digital-to-Analog Glitch Impulse
Digital Feedthrough
V
to V
Isolation
DAC to DAC Crosstalk
5
(AD7669 Only)
DACA to DACB Isolation
(AD7669 Only)
0.8
2.4
10
10
0.8
2.4
10
10
0.8
2.4
10
10
0.8
2.4
10
10
V max
V min
μ
A max
pF max
V
IN
= 0 to V
DD
Binary
2s Complement
Settling time to within
±
1/2 LSB of final value
Typically 1
μ
s
Typically 2
μ
s
Typically 1
μ
s
2
4
2
15
1
60
1
–70
2
4
2
15
1
60
2
4
2
15
1
60
2
4
2
15
1
60
μ
s max
μ
s max
μ
s max
nV secs typ
nV secs typ
dB typ
nV secs typ
dB max
V
IN
=
±
2.5 V, 50 kHz Sine Wave
POWER REQUIREMENTS
V
DD
Range
V
SS
Range (Dual Supplies)
4.75/5.25
–4.75/–5.25
4.75/5.25
–4.75/–5.25 –4.75/–5.25 –4.75/–5.25 V min/V max Specified Performance also applies to V
SS
= 0 V
4.75/5.25
4.75/5.25
V min/V max For Specified Performance
for unipolar ranges.
V
= V
= 2.5 V; Logic Inputs = 2.4 V; CLK = 0.8 V
Output unloaded
Outputs unloaded
V
= V
= –2.5 V; Logic Inputs = 2.4 V; CLK = 0.8 V
Output unloaded
Outputs unloaded
I
DD
(AD7569)
(AD7669)
I
SS
(Dual Supplies)
(AD7569)
(AD7669)
13
18
13
13
13
mA max
mA max
4
6
4
4
4
mA max
mA max
DAC/ADC MATCHING
Gain Matching
6
@ +25
°
C
T
MIN
to T
MAX
V
to V
match with V
IN
=
±
2.5 V,
20 kHz sine wave
1
1
1
1
1
1
1
1
% typ
% typ
NOTES
1
Specifications apply to both DACs in the AD7669. V
applies to both V
A and V
B of the AD7669.
2
Except where noted, specifications apply for all output ranges including bipolar ranges with dual supply operation.
3
Temperature ranges as follows:
J, K versions; 0
°
C to +70
°
C
A, B versions; –40
°
C to +85
°
C
S, T versions; –55
°
C to +125
°
C
4
1 LSB = 4.88 mV for 0 V to +1.25 V output range, 9.76 mV for 0 V to +2.5 V and
±
1.25 V ranges and 19.5 mV for
±
2.5 V range.
5
See Terminology.
6
Includes internal voltage reference error and is calculated after offset error has been adjusted out. Ideal unipolar full-scale voltage is (FS – 1 LSB); ideal bipolar positive full-scale voltage is (FS/2 – 1 LSB)
and ideal bipolar negative full-scale voltage is –FS/2.
7
Sample tested at +25
°
C to ensure compliance.
Specifications subject to change without notice.
–2–
REV. B
AD7569/AD7669–SPECIFICATIONS
(V
DD
= +5 V
6
5%; V
SS2
= RANGE = AGND
DAC
= AGND
ADC
= DGND = 0 V; R
L
= 2 k
V
, C
L
= 100 pF to AGND
DAC
unless otherwise noted. All specifications T
MIN
to T
MAX
unless otherwise noted.)
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