参数资料
| 型号： | ADS828EG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 11/17页 |
| 文件大小： | 0K |
| 描述： | IC 10BIT 75MHZ ADC 28-SSOP |
| 产品培训模块： | Data Converter Basics |
| 标准包装： | 50 |
| 系列： | SpeedPlus™ |
| 位数： | 10 |
| 采样率（每秒）： | 75M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 340mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，单极；1 个差分，单极 |
ADS828
3
SBAS126A
ELECTRICAL CHARACTERISTICS (Cont.)
At TA = full specified temperature range, single-ended input range = 1.5V to 3.5V, sampling rate = 75MHz, convert command clock = +3V, external reference unless
otherwise noted.
CMOS
Straight Offset Binary
ADS828E
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL INPUTS
Logic Family
TTL, +3V/5V CMOS Compatible
Convert Command
Start Conversion
Rising Edge of Convert Clock
High Level Input Current(5) (VIN = 5V)
100
A
Low Level Input Current (VIN = 0V)
10
A
High Level Input Voltage
+2.0
V
Low Level Input Voltage
+0.8
V
Input Capacitance
5pF
DIGITAL OUTPUTS
Logic Family
Logic Coding
Low Output Voltage (IOL = 50A)
VDRV = 5V
+0.1
V
Low Output Voltage, (IOL = 1.6mA)
+0.2
V
High Output Voltage, (IOH = 50A)
+4.9
V
High Output Voltage, (IOH = 0.5mA)
+4.8
V
Low Output Voltage (IOL = 50A)
VDRV = 3V
+0.1
V
High Output Voltage, (IOH = 50A)
+2.8
V
3-State Enable Time
OE = L
20
40
ns
3-State Disable Time
OE = H
2
10
ns
Output Capacitance
5pF
ACCURACY (Internal Reference, 2Vp-p, Unless Otherwise Noted)
fS = 2.5MHz
Zero Error (Referred to –FS)
at 25
°C
±0.5
±3.0
%FS
Zero Error Drift (Referred to –FS)
1.5
ppm/
°C
Midscale Offset Error
at 25
°C
±0.29
%FS
Gain Error(6)
at 25
°C
±1.5
±2.5
%FS
Gain Error Drift(6)
32.3
ppm/
°C
Gain Error(7)
at 25
°C
±0.75
±1.5
%FS
Gain Error Drift(7)
4.6
ppm/
°C
Power Supply Rejection of Gain
V
S = ±5%
68
dB
REFT Tolerance
Deviation from Ideal 3.5V
±10
±25
mV
REFB Tolerance
Deviation From Ideal 1.5V
±10
±25
mV
External REFT Voltage Range
REFB + 0.8
3.5
VS – 1.25
V
External REFB Voltage Range
1.25
1.5
REFT – 0.8
V
Reference Input Resistance
1.6
k
POWER SUPPLY REQUIREMENTS
Supply Voltage: +VS
Operating
+4.75
+5.0
+5.25
V
Supply Current: +IS
Operating
68
mA
Output Driver Supply Current (VDRV)
9mA
Power Dissipation: VDRV = 5V
External Reference
340
385
mW
VDRV = 3V
External Reference
325
mW
VDRV = 5V
Internal Reference
355
mW
VDRV = 3V
Internal Reference
345
mW
Power Down
Operating
20
mW
Thermal Resistance,
θ
JA
SSOP-28
89
°C/W
NOTES: (1) Spurious Free Dynamic Range refers to the magnitude of the largest harmonic. (2) dBFS means dB relative to Full Scale. (3) Two-tone
intermodulation distortion is referred to the largest fundamental tone. This number will be 6dB higher if it is referred to the magnitude of the two-tone fundamental
envelope. (4) Effective number of bits (ENOB) is defined by (SINAD – 1.76 ) / 6.02. (5) A 50k
pull-down resistor is inserted internally. (6) Includes internal
reference. (7) Excludes internal reference.
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