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参数资料
| 型号： | THS1230IDWRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | GREEN, PLASTIC, SOIC-28 |
| 文件页数： | 21/25页 |
| 文件大小： | 854K |
| 代理商： | THS1230IDWRG4 |
www.ti.com
ELECTRICAL CHARACTERISTICS
THS1230
SLAS291B – OCTOBER 2000 – REVISED MARCH 2004
over recommended operating conditions (AV
DD = DVDD = 3.3 V, fs = 30 MHz/50% duty cycle, MODE = 1, 1-V input span,
internal reference, T
min to Tmax) (unless otherwise noted)
DIGITAL INPUTS AND OUTPUTS (ALL SUPPLIES = 3.3 V)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
DIGITAL INPUTS
All other inputs
0.8
× DV
DD
VIH
High level input voltage
V
CLK
0.8
× AV
DD
All other inputs
0.2
× DV
DD
VIL
Low level input voltage
V
CLK
0.2
× AV
DD
IIH
High level input current
1
A
IIL
Low level input current
–1
A
Ci
Input capacitance
5
pF
DIGITAL OUTPUTS
VOH
High level output voltage
Iload = 50 A
DVDD–0.4
V
VOL
Low level output voltage
Iload = –50 A
0.4
High impedance output current
±1
A
tr/tf
Rise/fall time
CL = 10 pF
4.5
ns
ANALOG INPUTS
Ci
Switched input capacitance
6
pF
td(ap)
Aperture delay time
2
ns
Aperture uncertainty (jitter)
2
ps
DC leakage current (input =
±FS)
10
A
POWER SUPPLY (CLK = 30 MHz)
XVDD
Supply voltage (all supplies)
3
3.3
3.6
V
IDD
Supply current active - total
48
66
I(analog)
Supply current active - analog
35
mA
I(digital)
Supply current active - digital
13
II(standby)
Standby supply current
CLK = 0 MHz
10
A
1 F Bypass (1)
770
s
t(PU)
Power-up time for references from standby
10 F Bypass (1)
6.2
ms
t(PUconv)
Power-up time for valid ADC conversions
See Note (2)
720
ns
See Note (3)
168
220
PD
Power dissipation
mW
See Note (4)
188
PD(STBY)
Standby power dissipation
CLK = 0 MHz
36
W
PSRR
Power supply rejection ratio
±0.1
%FS
(1)
Time for reference to recover to 1% of its final voltage level.
(2)
Time for ADC conversions to be accurate to within 0.1% of fullscale, INT ckts.
(3)
Clock = 30 MHz, AIN+ and AIN– at Common Mode or 1.65 V DC.
(4)
Clock = 30 MHz, fin = 3.58 MHz at –1 dBFS.
5
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