參數(shù)資料
型號(hào)： AD7836ASZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 5/12頁(yè)
文件大小： 0K
描述： IC DAC 14BIT QUAD LC2MOS 44MQFP
產(chǎn)品培訓(xùn)模塊： Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝： 1
設(shè)置時(shí)間： 16µs
位數(shù)： 14
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 4
電壓電源： 模擬和數(shù)字，雙 ±
功率耗散（最大）： 460mW
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 44-QFP
供應(yīng)商設(shè)備封裝： 44-MQFP（10x10）
包裝： 托盤
輸出數(shù)目和類型： 4 電壓，單極；4 電壓，雙極
采樣率（每秒）： 62.5k
Parameter
A
Units
Test Conditions/Comments
ACCURACY
Resolution
14
Bits
Relative Accuracy
± 2
LSB max
Differential Nonlinearity
±0.9
LSB max
Guaranteed Monotonic Over Temperature
Full-Scale Error
± 8
LSB max
VREF(+) = +5 V, VREF(–) = –5 V. Typically within
±1 LSB
Zero-Scale Error
± 8
LSB max
VREF(+) = +5 V, VREF(–) = –5 V. Typically within
±1 LSB
Gain Error
± 2
mV typ
VREF(+) = +5 V, VREF(–) = –5 V
Gain Temperature Coefficient
2
20
ppm FSR/
°C typ
40
ppm FSR/
°C max
DC Crosstalk
2
50
V max
See Terminology. RL = 5 k
REFERENCE INPUTS
DC Input Resistance
100
M
typ
Input Current
± 1
A max
Per Input. Typically
±20 nA
VREF(+) Range
0/+5
V min/max
VREF(–) Range
–5/0
V min/max
[VREF(+) – VREF(–)]
2/10
V min/max
For Specified Performance. Can Go as Low as 0 V,
but Performance Not Guaranteed
OUTPUT CHARACTERISTICS
Output Voltage Swing
±10
V min
2
× (VREF(–)+[VREF(+)-VREF(–)]D) – VDUTDGN
Short Circuit Current
25
mA max
Resistive Load
5
k
min
To 0 V
Capacitive Load
50
pF max
To 0 V
DIGITAL INPUTS
VINH, Input High Voltage
2.4
V min
VINL, Input Low Voltage
0.8
V max
IINH, Input Current
±10
A max
Total for All Pins
CIN, Input Capacitance
10
pF max
POWER REQUIREMENTS
VCC
5.0
V nom
±5% for Specified Performance
VDD
15.0
V nom
±5% for Specified Performance
VSS
–15.0
V nom
±5% for Specified Performance
Power Supply Sensitivity
Full Scale/V
DD
110
dB typ
Full Scale/V
SS
100
dB typ
ICC
0.5
mA max
VINH = VCC, VINL = DGND. Dynamic Current
8
mA max
VINH = 2.4 V min, VINL = 0.8 V max
IDD
14
mA max
Outputs Unloaded. Typically 7 mA
ISS
14
mA max
Outputs Unloaded. Typically 7 mA
REV. A
–2–
AD7836–SPECIFICATIONS
(VCC = +5 V
5%; VDD = +15 V
5%; VSS = –15 V
5%; AGND = DGND = DUTGND
= 0 V; RL = 5 k
and CL = 50 pF to GND, TA
1 = T
MIN to TMAX, unless otherwise noted)
Parameter
A
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
16
s typ
Full-Scale Change to
±1/2 LSB. DAC Latch Contents Alternately
Loaded with All 0s and All 1s
Digital-to-Analog Glitch Impulse
150
nV-s typ
Measured with VREF(+) = +5 V, VREF(–) = –5 V. DAC Latch
Alternately Loaded with 1FFF Hex and 2000 Hex. Not Dependent
on Load Conditions
DC Output Impedance
0.3
max
See Terminology
Channel-to-Channel Isolation
115
dB typ
See Terminology
DAC-to-DAC Crosstalk
10
nV-s typ
See Terminology
Digital Crosstalk
10
nV-s typ
Feedthrough to DAC Output Under Test Due to Change in Digital
Input Code to Another Converter
Digital Feedthrough
0.2
nV-s typ
Effect of Input Bus Activity on DAC Output Under Test
Output Noise Spectral Density
@ 1 kHz
40
nV/
√Hz typ
All 1s Loaded to DAC. VREF(+) = VREF(–) = 0 V
NOTES
1Temperature range for A Version: –40
°C to +85°C
2Guaranteed by design.
Specifications subject to change without notice.
(These characteristics are included for Design Guidance and are not
subject to production testing.)
AC PERFORMANCE CHARACTERISTICS
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