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參數資料
| 型號： | 935245400551 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP44 |
| 封裝： | PLASTIC, SOT-307-2, QFP-44 |
| 文件頁數： | 21/23頁 |
| 文件大?。?/td> | 183K |
| 代理商： | 935245400551 |
1998 Aug 26
7
Philips Semiconductors
Preliminary specication
12-bit high-speed Analog-to-Digital
Converter (ADC)
TDA8768
CHARACTERISTICS
VCCA =V2 to V44, V9 to V10, V3 to V4 and V41 to V40 = 4.75 to 5.25 V; VCCD =V37 to V38 and V15 to V17 = 4.75 to 5.25 V;
VCCO =V33 to V34 = 3.0 to 5.25 V; AGND and DGND shorted together; Tamb = 0 to 70 °C; typical values measured at
VCCA =VCCD = 5 V and VCCO = 3.3 V, Tamb =25 °C, VI(p-p) VI(p-p) = 2.0 V and CL = 10 pF; unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VCCA
analog supply voltage
4.75
5.0
5.25
V
VCCD
digital supply voltage
4.75
5.0
5.25
V
VCCO
output supply voltage
3.0
3.3
5.25
V
ICCA
analog supply current
33
45
mA
ICCD
digital supply current
30
37
mA
ICCO
output supply current
fCLK = 4 MHz; fi = 400 kHz
3.2
tbf
mA
fCLK = 40 MHz; fi = 4.43 MHz
11
tbf
mA
Inputs
CLK AND CLK (REFERENCED TO DGND)
VIL
LOW-level input voltage
VCCD = 5 V; note 1
3.19
3.52
V
VIH
HIGH-level input voltage
VCCD = 5 V; note 1
3.83
4.12
V
IIL
LOW-level input current
VCLK or VCLK = 3.19 V
10
A
IIH
HIGH-level input current
VCLK or VCLK = 3.83 V
10
A
Zi
input impedance
fCLK = 40 MHz
2
k
Ci
input capacitance
fCLK = 40 MHz
2pF
V
CLK(p-p)
differential AC input voltage
(peak-to-peak value) for
switching (VCLK VCLK)
DC voltage level = 2.5 V
0.5
2.0
V
OTC, SH AND CE (REFERENCED TO DGND); see Tables 1 and 2
VIL
LOW-level input voltage
0
0.8
V
VIH
HIGH-level input voltage
2.0
VCCD
V
IIL
LOW-level input current
VIL = 0.8 V
20
A
IIH
HIGH-level input current
VIH = 2.0 V
+20
A
VI AND VI (REFERENCED TO AGND); VREF =VCCA 1.825 V; see Table 1
IIL
LOW-level input current
10
A
IIH
HIGH-level input current
10
A
Ri
input resistance
fi = 4.43 MHz
100
k
Ci
input capacitance
fi = 4.43 MHz
2pF
VI(CM)
common mode input voltage
VI = VI; output code 2047
VCCA = 5 V
tbf
3.6
tbf
V
VCCA = 4.75 V
tbf
3.35
tbf
V
VCCA = 5.25 V
tbf
3.85
tbf
V
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